Dash lights don't come on at all — completely dead battery or a broken connection; start with a jump-start. Dash lights come on but nothing happens at the key — the starter signal isn't reaching it: ignition switch, neutral safety switch (automatics), or a blown fuse. Push-button start that does nothing — check the key fob battery first ($5). If you hear a click instead of silence, you're on the wrong page — see the car clicking when starting guide. The line that carries the page: silence means the signal never reached the starter — that's a different, usually cheaper problem than a click.
You turn the key, or push the start button, and nothing happens. No click, no crank, no whine — just dead silence, the kind that makes your stomach drop. Maybe the dashboard lights up, maybe it doesn't. Either way, the car acts like it was never there. Here's the fact that turns panic into a plan: silence is actually a more diagnostic symptom than a click. It tells you exactly where the problem is — somewhere between the battery and the starter solenoid, the electricity isn't getting through — and most of the time the fix is free or under $30.
That matters because a click and a silence are different problems at different prices. A single click means power reached the solenoid but the starter won't engage — usually a $400–$900 starter. Silence means power never reached the solenoid at all — usually a dead battery, a loose cable, a blown fuse, or a switch, most of which are cheap or free. Read the sound wrong and you diagnose off the wrong page.
I built PulsCar after a $380 "full diagnostic" in Phuket in 2025 led to roughly $6,000 over six months across several shops, and the sound never went away (the story is on the About page). The silent no-start has its own version of that pattern — a tow, a jump, a shrug and a starter quote for what turns out to be a loose negative terminal — and it plays out in driveways every day, which is exactly why this guide ranks all ten causes from cheapest to most expensive, each with a symptom signature, a 60-second self-check and the real 2026 cost.
Ranked by what is cheap to fix, not by what is common
The ten causes below are ranked by how cheap they are to fix, not how common they are — the free DIY ones first, the expensive ones last, because your goal in a driveway is to rule out the $0 fixes before calling anyone. Each carries a meta card (risk, cost, symptom) and a self-check you can usually do with no tools. The first three sections are where the free fixes live. One rule overrides everything: the dashboard is your first fork — dark dash points toward the battery or a connection, a normal dash with a dead key points toward a switch or fuse — so read that before anything else, and stop when a description matches your situation.
First: is the dashboard dark, or lit?
This one observation splits the ten causes into two halves before you touch a tool.
Dash completely dark — no dome light, nothing electrical → power isn't reaching the car's systems at all. That's a completely dead battery or a broken connection (a loose or corroded terminal). Start with a jump-start and a terminal check; these are the cheapest causes and the most common.
Dash lights up normally, but the key does nothing → power is reaching the car, but the starter signal is being interrupted downstream. That points at a dead key fob (push-button), a neutral safety switch (automatic), a blown starter/ignition fuse, or the ignition switch — not the battery.
Dash lights up, then goes dark the instant you turn to Start → a classic ignition switch tell, where the switch can't hold continuity under load.
Dash normal, and a security, key or padlock icon is lit → the immobilizer refused (Cause 9). Try the spare key before anything else.
Dash normal, but it only won't start in Park (starts in Neutral) → the neutral safety switch, almost certainly — the clearest single free test in this guide.
Why won't my car start and there's no clicking noise at all? When there's no click and no crank, the electrical signal isn't reaching the starter solenoid at all — a single click would mean the solenoid is at least trying, so complete silence means the signal never gets there. That points to a fully dead battery, loose or corroded battery cables, a blown main fuse, or a problem in the ignition switch or neutral safety switch on automatics. Most of these cases are battery- or connection-related and free or cheap to fix — a jump, a terminal cleaning, a tightened cable. The rest are electrical and usually need a multimeter to pin down. The biggest single tell is your dashboard: dark means a power or connection problem toward the battery end, while a normal dash with a dead key means the starter signal is interrupted downstream, near a switch or fuse. PulsCar's free check needs a running engine; this page's checklist is the tool here.
The free checks: five minutes, no tools, no cost
Before calling anyone, run this sequence — it resolves the majority of silent no-starts for nothing.
The safety-interlock check (free). Gear selector fully in Park (jiggle it firmly)? Foot pressing the brake hard on a push-button car? Clutch floored completely on a manual? Any of these, not fully engaged, produces total silence from a perfectly healthy car.
The dome-light test (free). Open the door and look at the dome light: bright means the battery is probably fine (look past it to a switch or fuse), dim means a weak battery, dead means a completely flat battery or a broken connection.
The terminal check (free). Look at the two battery clamps. White, green or blue crust is corrosion; grab each cable and wiggle it — any movement means loose. Either blocks the starter signal while the dash still works on the trickle that gets through.
The fob check (push-button, $0 to try). Hold the fob directly against the start button or the marked spot on the column. That uses the passive transponder chip, which needs no coin cell, so a car that starts this way has a dead fob battery and nothing else.
The jump-start (free to try). Cables connected correctly, a couple of minutes to charge, then try. Starts = it was the battery; still nothing = the problem is electrical, not power.
How people arrive at a silent no-start problem
"Dash is totally dark, no dome light, nothing works." → A completely dead battery or a broken main connection (Causes 2 and 3). Jump it and check the terminals first — both are cheap or free.
"Dash lights up fine, but the key does nothing." → The starter signal is interrupted somewhere downstream: a dead fob, the neutral safety switch, a fuse or relay, the ignition switch, the immobilizer, or a power-distribution module (Causes 4-10). Work them cheapest-first.
"Was fine yesterday, totally silent today." → Most likely a discharged battery or a terminal that worked loose overnight — both free fixes. See why a battery keeps dying if it recurs.
"It only won't start in Park — starts in Neutral." → The neutral safety switch (Cause 5), almost certainly.
"Sometimes it starts, sometimes not, no pattern." → An ignition switch, an immobilizer or a power module (Causes 7, 9, 10); intermittency is the signature, and it is in 19.80% of the complaints we analyzed.
"Radio and windows are dead too, or behaving strangely." → A blown fuse, or the power-distribution module behind it (Causes 6, 10).
What is the difference between no click and one click when starting? It's a huge difference, and it changes the diagnosis completely. A single click means electricity is reaching the starter solenoid but the motor itself isn't engaging — usually a failing starter or solenoid, a $400-$900 repair. No click at all means electricity isn't even getting to the solenoid — usually a dead battery, a broken connection, a blown fuse, or an ignition-switch problem, a $0-$400 range that's often free. Rapid clicking is its own category: a weak battery with just enough power to engage the solenoid repeatedly but not spin the engine. So the sound sorts your problem by both cause and cost before you touch anything — silence generally means cheaper and more electrical, a single click means the starter itself. Diagnose off the wrong page and you buy the wrong part. PulsCar's free check cannot record silence; once the car runs, it can screen the engine.
The silent no-start price ladder: every cause, cheapest first
Read the ladder as the page's whole point: the top three rungs are free or nearly free, and they are the ones nobody bills for, which is exactly why they get checked last. The most expensive move on this list is not any part — it is paying $800 across a tow, a battery and an ignition switch to eventually discover a loose cable that a 15-second wrench-turn would have fixed.
The silent no-start number, by what you drive
Two rules for reading the table: on an automatic, try Neutral before assuming a dead battery; and on a push-button car, check the fob before anything else, because a dead $5 coin cell produces the same do-nothing silence as a $900 fault.
The 10 causes, ranked cheapest first
1. Wrong gear or brake pedal (automatic or push-button) — $0
The most embarrassing cause here, and it happens to everyone eventually. Automatics have a neutral safety switch that blocks the starter unless the selector is in Park or Neutral; if the selector got nudged out of P even slightly, the switch never closes and the starter never gets the signal — which looks like total silence. Push-button cars add a brake-pedal requirement: press lightly and the button does nothing. Self-check: look at the selector — fully in P? Jiggle it firmly, press the brake hard, and retry; on a manual, floor the clutch completely, since most manuals from 2000+ have a clutch interlock that does the same job. Fix: none needed if it starts after this. If it only starts in Neutral, the switch itself is failing — that's Cause 5. The cheap cause first: this whole cause is free — it is a state, not a part. At the shop: if you do end up at a counter, open with “it starts in Neutral but not in Park” if that is true, because it routes the technician straight past the battery and the starter.
2. Dead battery (completely flat) — $0 to $350
A weak battery still closes the solenoid, which is why it clicks; a completely dead battery (below about 9 volts) can't even close the contacts, so you get silence instead. A battery can go from fine to flat overnight from any small drain — a dome light left on, a door ajar, a USB charger, or a failing alternator that wasn't recharging it — and after 3-5 years batteries also lose the ability to hold charge between trips. Self-check: open the door and read the dome light (bright/dim/dead), try the headlights, then jump-start it — if it cranks and runs, the battery was the problem. Fix: after a jump, drive 30 minutes to recharge; if it dies again within hours, the battery's past saving — replace it ($100-$350), and see the full battery pricing for type and options. If it keeps dying, read the drain-vs-alternator hunt. The cheap cause first: a charge, not a battery. A deeply discharged battery often reads as failed on a quick test and recovers fully on a proper bench charge — and Subaru's own 2026 bulletin on parasitic draw warns technicians against jumping to a part, noting that manufacturer evaluations found no consistent draw problem in the module they had been blaming. At the shop: “Please load-test the battery after a full charge, not before, and measure parasitic draw with the ignition off.”
3. Loose or corroded battery terminals — $0 to $20
The battery connects through two heavy cables clamped to its posts. Vibration loosens the clamps and acid vapor builds white-green corrosion between clamp and post; either raises resistance enough to block the starter signal, even though the battery is fine and the dash still works on the trickle that gets through. This is one of the most misdiagnosed no-start causes there is — people buy batteries, alternators, and starters when a $3 wire brush and ten minutes would have fixed it. Self-check: look for crusty buildup on the clamps, and wiggle each cable — any movement means loose. Fix (15 minutes, $5): disconnect negative first, then positive; scrub with a baking-soda paste until the metal shines; rinse, dry, reconnect positive first, tighten firmly, and add dielectric grease. A large share of silent no-starts vanish right here. The cheap cause first: this is the cheap cause, and our data shows how invisible it is — only 21 of 495 complaints (4.24%) mention a terminal, cable, ground or corrosion at all, which is exactly what you would expect of a problem people fix themselves before anyone writes it down. At the shop: “Before any part, please do a voltage-drop test on the positive cable and the engine-to-body ground while cranking.” Fix it yourself: the wire brush, the baking soda and fifteen minutes — the highest-value DIY on this page.
4. Dead key fob battery (push-button start) — $3 to $10
Push-button cars need to see the fob's radio signal before the start system works; when the fob battery dies (usually after 2-3 years), the receiver can't see it and the button does nothing — the car thinks the key isn't there. The backup: hold the fob directly against the start button or the marked spot on the column. That uses the passive transponder chip, which needs no coin cell at all, so the car starts and you can drive to a battery store (the location is in the manual, often a small key icon). Self-check: has the fob been needing multiple presses or only working up close, or shown "Key Not Detected"? Both point to a dying fob battery. Fix: a CR2032 coin cell from any drug store or gas station; pry the fob open at its seam, swap the cell, snap it shut — two minutes. If the internal contacts look corroded, rub them with a pencil eraser first. The cheap cause first: the coin cell, before anything. At the shop: “The fob has been weak for weeks and the car does nothing at the button — please confirm the fob and the receiver before diagnosing the start system.” In our complaint set, 56 of 495 narratives (11.31%) name a fob, smart key or push-button, which makes it one of the most-named single items in the file.
5. Failing neutral safety switch / clutch interlock — $100 to $300
The neutral safety switch closes the starter circuit only in Park or Neutral; without it closed, the signal never reaches the solenoid though everything else works. The manual equivalent is the clutch interlock under the pedal. These wear, drift out of alignment, or gum up over time, and the symptoms creep in — first only some attempts, then only in Neutral, then nothing in Park — which is why it's so often mistaken for a dead battery. Self-check: on an automatic, try starting in Park, then Neutral — starts in Neutral only means you've found it; on a manual, floor the clutch harder than usual; and check whether the reverse lights work, since they often share this switch (no reverse lights plus no start is strong evidence). Fix: switch replacement, moderate difficulty; as a stopgap you can start in Neutral, but don't leave it indefinitely since the switch can tie into other safety functions. The cheap cause first: adjustment, not replacement. On many cars the switch is slotted and can be re-aligned rather than replaced. At the shop: “It starts in Neutral and not in Park — please check the range switch adjustment before ordering the part.” One honesty note from our data: this switch appears in just 2 of 495 complaints and 9 of 2,331 no-start bulletins. That is not proof it is rare; it is a fast, cheap diagnosis that rarely ends up in a federal complaint. We report the numbers and we draw no frequency conclusion from them.
6. Blown main or ignition fuse — $5 to $50
Fuses burn out to protect the wiring behind them; there's a dedicated fuse for the starter circuit and usually a separate one for ignition, and when either blows the starter gets no signal. Fuses don't blow spontaneously — a short (a rodent-chewed wire, a corroded connector, water in the box) or an aftermarket accessory drawing too much current caused it, so if a replacement blows instantly, stop and have it traced before you damage more. Self-check: find the "Starter," "Ignition," or "ECM/PCM" fuses using the diagram on the fuse-box lid, pull each, and look for a broken metal strip (or test continuity with a multimeter without pulling it). Fix: replace with the same amperage (never higher — that defeats the protection and risks a fire); a box of assorted fuses is $5-$10, but a replacement that blows immediately means a short a shop needs to trace. The cheap cause first: the fuse itself, then the relay beside it — both are pocket change and both are user-swappable. At the shop: “Please tell me which circuit blew the fuse and what shorted it, not just that the fuse was replaced.” Fix it yourself: pulling and reading fuses is genuinely a driveway job; chasing the short that killed one is not.
7. Failing ignition switch — $150 to $400
The ignition switch is the electrical assembly behind the key cylinder (or the start button), routing power differently at Off, Accessory, On, and Start. When its internal contacts wear or burn, the Start position stops sending signal to the starter — other positions may still work, so the dash lights in "On" but turning to Start does nothing. It's almost always intermittent, which is what makes it tricky: a jump won't help (the battery's fine) and a starter test passes (the starter's fine), while the real culprit sits upstream of both. Self-check: does the dash go dark the instant you turn to Start (a continuity-under-load tell)? Does the key feel loose or sticky? Is the no-start random with no pattern? For push-button cars, a mushy or unresponsive start button is the equivalent, wearing out after 100,000+ presses. A key that won't turn in the ignition is a related cylinder issue. Fix: switch replacement, usually not DIY since it ties into the column and often the anti-theft system — get a written quote and confirm whether re-programming is included. The cheap cause first: the key itself and the lock cylinder before the electrical switch — a worn key in a worn cylinder can fail to reach the Start detent. At the shop: “Please confirm whether it is the mechanical cylinder or the electrical switch, and tell me in the quote whether anti-theft re-programming is included.” In our set, 43 of 495 narratives (8.69%) name an ignition switch, cylinder, electronic ignition switch or steering lock.
8. Starter relay or a silent starter solenoid — $20 to $900
This is the cause this guide used to argue against, and the correction belongs in the open. Silence does not rule out the starter circuit. A relay whose contacts have corroded passes no current and makes no sound. A solenoid with burnt contacts can do the same. So can a starter feed cable with a bad crimp under its insulation.
The documents are not subtle about it. In September 2025 BMW recalled 199,674 vehicles — 2019-2021 330i, 2019-2022 Z4, 2020-2022 530i, X3, X4 and the Toyota Supra, 2021-2022 430i, 2022 230i — because "the engine starter relay may corrode, causing the relay to overheat and short circuit." The remedy is to replace the engine starter, and owners were told to park outside and away from structures until it was done. In July 2026 BMW added 29,119 more plug-in hybrids under the same defect. That is 228,793 vehicles whose starter circuit was recalled for corrosion.
In our own complaint data, 71 of 495 silent no-starts (14.34%) name a starter or solenoid, and 20 (4.04%) say a starter was replaced — some of them describing a second starter after the first did not fix it.
The cheap cause first: the relay, not the motor. On most cars the starter relay is a $20 plug-in cube in the under-hood fuse box, and it is usually identical to two or three other relays in the same box. Swap it with the horn relay and try again — if the car starts, you have your answer for the price of nothing. At the shop: “Please measure voltage at the starter's signal terminal while someone holds the key at Start, and check the relay, before quoting a starter.” A starter that gets 12 volts at its trigger and stays silent is genuinely dead. One that gets nothing never was the problem.
9. Immobilizer, smart key or anti-theft lockout — $0 to $600
Every car sold in the United States for the last two decades has an engine immobilizer: the car reads a chip in your key and refuses to energize the starter and the fuel system unless it likes the answer. When that handshake fails, you get exactly the symptom this page is about — full dash, full silence — and nothing mechanical is wrong at all.
Look at the dashboard for a padlock, a key outline, or the word SECURITY. A steady or flashing security icon during a no-start is the system telling you it refused. In our complaint set, 23 of 495 narratives (4.65%) name an immobilizer, anti-theft or security system, and one of the clearest reads, "intermittent no start no crank issue... it is a faulty junction box due to antitheft system not working correctly."
Jaguar published a document for this exact failure. SSM73814 covers 2016-2017 XJ, F-Type, XE, XF and 2017 F-Pace with the complaint "intermittently, the vehicle will not crank." The cause is the telematics control unit, either an internal fault or water getting into it and corroding the connectors, and the instructions are pointed: "Do not attempt to update the TCU software," and where corrosion is found, "Do not replace TCU" until the water leak itself is located. A no-crank caused by a wet connector on a module that has nothing to do with starting.
The cheap cause first: try the spare key. If the spare starts the car, the problem is the key, not the car, and you have saved yourself a diagnostic fee. Then try a full lock-unlock cycle with the door key and leave the ignition on for ten to fifteen minutes, which resets some systems. At the shop: “There is a security light on during the no-start. Please read the immobilizer and body-module codes before touching the starter circuit.” Fix it yourself? Only the free half — spare key, re-lock cycle, and a fresh fob cell. Key programming needs the dealer's or a locksmith's equipment.
10. Power-distribution module: TIPM, junction box or body control module — $200 to $1,200
On a modern car the fuse box is a computer. Chrysler calls its version the Totally Integrated Power Module; others call it a junction box or part of the body control module. It switches the relays that feed the starter and the fuel pump, and when one of those internal relays fails the car does nothing at the key while the dashboard looks perfectly healthy.
The federal record on one family of these is long. The Center for Auto Safety petitioned NHTSA over TIPM failures in August 2014; the agency opened DP14-004 the following month and analyzed 296 complaints. Chrysler then recalled the fuel pump relay inside the TIPM-7 three separate times — 14V-530, 15V-115, and finally 19V-813 in November 2019, covering 528,594 2011-2013 Durango and Grand Cherokee vehicles "previously recalled under NHTSA Recall 14V530 or 15V115." A recall of a recall of a recall, all for one relay inside one box.
In our data, 20 of 495 narratives (4.04%) name a TIPM, an integrated power module, a junction box or a body control module — and the bulletin file has 111 no-start documents that mention one.
The cheap cause first: the individual relay inside the box, where the design allows it. Owners and shops have long fitted an external relay to bypass a failed internal one; it is a legitimate stopgap, and far cheaper than the module. At the shop: “The no-start comes with other electrical oddities. Please check for a power-distribution module bulletin or recall on my VIN before quoting the module itself.” On the affected Chrysler products this question is worth several hundred dollars, because the campaign pays for the relay and the harness.
PulsCar's free check needs a running engine — it works from 30 seconds of video of the engine idling, parked — so on a silent no-start the free diagnosis is the checklist above: the dashboard fork, the dome light, the terminals, the jump. When the car is running again, film those 30 seconds and the report screens the engine for the likely cause and severity of any noise it is making — a grinding alternator bearing or a slipping belt that quietly drained the battery — with a repair-cost estimate, before you spend $180 on a tow you may not need. About 10 minutes. The report arrives by email as a PDF, so use the address you actually read.
Why did my car work yesterday and now give no response at all? Three causes account for most sudden no-response starts. First, the battery died overnight from a small drain — a door ajar, a dome light left on, or a parasitic draw from a faulty accessory pulling current while the car slept; try jump-starting first, since this is the most common. Second, a battery terminal worked loose or corroded enough overnight to break the connection, so pop the hood and wiggle the cables — a connection fine yesterday can go open with one cold night. Third, an accessory you used last blew the main or ignition fuse. Any of these can go from working to dead with no warning, and all three are usually fixable in under 30 minutes for $30. Dark dash leans toward the battery or a connection; a lit dash with a dead key leans toward a fuse or switch. PulsCar's free check cannot run on a dead car; a multimeter can.
What 495 NHTSA silent no-start complaints show
Everything above is mechanism and price. This section is measurement — our own, run on NHTSA's public complaint file, and published as CSV so you can check it.
We took all 777,040 vehicle complaints received between 1 January 2015 and 8 September 2026, pulled the 17,252 that mention a car that would not start, and then threw away everything that is a different symptom: 832 where the engine cranks (that is crank but won't start), 529 where a click is reported (that is the clicking page), 1,239 where the car stalled on the road and then would not restart, and 354 EV charging failures and clearly mechanical engine failures. What survives is 495 complaints describing a car that gave no crank and no click when someone tried to start it.
We have to put a warning on that number, because it is the noisiest set we have published. We read thirty at random three times, in three versions of the query. In the first version about a third were misfits. In the second, about a third again. In the final 495, four or five of thirty still are — a transmission complaint, a Sirius radio complaint, a no-start mentioned in passing inside a long list of unrelated faults. Read every count below as carrying roughly one mis-sort in six or seven. The reason is linguistic rather than statistical: "my car won't start" describes at least four different symptoms, and no pattern separates them perfectly.
One more measurement note for anyone repeating this: NHTSA narratives are ALL CAPS through 2020 and mixed case from 2021 on — of 58,465 complaints received in 2020, 58,386 match their own uppercase form; of 62,775 received in 2023, only 939 do. An uppercase-only pattern silently deletes the last five years and still returns a plausible number of rows. Every query here is case-insensitive, and the method file says so in writing.
What the structured fields say first, against the whole 777,040-complaint file:
Three injuries and no deaths across 495 reports is the number to hold on to if you are standing in a driveway right now. A silent no-start is a stranding, not a danger — it is nearly the only common car symptom where the structured crash and fire fields run below the file's own baseline. The urgency is about your day, not your safety.
That last row is a measurement lesson we are publishing rather than hiding. NHTSA's structured "towed" checkbox is ticked on 1.01% of these complaints, while 127 of the 495 narratives (25.66%) actually say the car was towed. The checkbox is filled in far less often than the story gets told. We report both figures and we do not average them, because two different instruments disagreeing is a fact about the instruments.
What owners actually name — and what the numbers cannot tell you
Read the top and the bottom of that list together, because the gap between them is the argument of this whole page.
The battery is named in nearly six out of ten narratives, and a fifth of the set describes a battery that was replaced. But 50 complaints say the battery tested good or explicitly was not the problem — one in ten — and those are people who bought or charged a battery and stayed stranded.
The terminals sit at the bottom at 4.24%, and that number must not be read as a frequency. A loose clamp you tighten in your own driveway never becomes a federal safety complaint. The complaint file can only count problems that survived long enough to be written down, which systematically erases every free fix on this page — the gear selector, the fob cell, the wire brush. So the honest statement is: the data cannot tell you how often a terminal is the answer. It can only tell you that when it is, almost nobody files.
Two more, for balance. The starter appears in 14.34% of narratives, which is why this revision stopped saying that silence rules the starter out. And the neutral safety switch appears twice in 495 complaints, and in 9 of 2,331 no-start bulletins — which is not evidence that it is rare either, for the same reason as the terminals. It is a fast, cheap diagnosis that ends in a driveway or a service bay, not in Washington. We publish both numbers and draw a frequency claim from neither. Download the full table.
What 2,331 no-start bulletins say manufacturers actually do
Manufacturer communications are the documents your dealer can see and you normally cannot. We counted every one whose summary contains a no-crank or no-start phrase: 2,402 records, or 2,331 after removing heavy-truck, bus and generator manufacturers.
Nearly a quarter of factory no-start documents are software. That is the single most surprising line in this analysis, and it has a practical consequence: on a car with a lit dashboard, asking a service adviser "is there a software update or a bulletin for a no-start on my VIN?" is a question with a one-in-four chance of a useful answer, and it costs you one sentence.
Grounds, connectors, corrosion and wiring beat starters by better than 1.6 to 1 in the manufacturers' own documents — 248 against 148. That is the closest thing to independent support the "check the connection first" rule has, and it comes from the companies that build the cars.
Three of those documents are worth reading in full.
Subaru Service Information Bulletin 15-308-23R, first issued 15 November 2022 and revised 20 August 2026, is a procedure for diagnosing parasitic draw "in vehicles experiencing battery drain when the ignition is off, leading to no-start conditions or frequent jump-starts." What makes it remarkable is its second paragraph: it exists to address "the tendency of technicians to prematurely attribute parasitic draw to the Data Communication Module," and states that "manufacturer evaluations confirm that Gen3/Gen4 DCMs have no consistent parasitic draw issues, necessitating a thorough diagnostic approach to identify the true cause without assuming DCM failure." A manufacturer, telling its own dealers to stop guessing.
Jaguar SSM73814 is the one in Cause 9 — a no-crank traced to water in a telematics module, with "Do not attempt to update the TCU software" and "Do not replace TCU" until the leak is found.
Stellantis bulletin 08-106-21, "12V Battery Low Charge," is the mundane one that matters most: it tells technicians to test and possibly replace the 12-volt battery when codes U3007-00 (Control Module Input Power "B" Circuit/Open) and C2100-00 (Battery Voltage Low) are stored. Those codes are readable with a scanner when the dash lights up — which is the exception to the rule in the next section. Bulletin counts by manufacturer.
What the recalls say, and how to check yours in five minutes
Three campaign families cover a large share of the silent no-starts that ended up in the federal record, and 24.85% of our 495 complaints already name a recall or campaign number — which means a quarter of these owners had found one before they wrote in.
The Chrysler power module. The Center for Auto Safety petitioned NHTSA in August 2014; ODI opened DP14-004 on 25 September 2014 and analyzed 296 complaints about the Totally Integrated Power Module. Chrysler recalled the fuel pump relay inside it under 14V-530, then again under 15V-115, and then a third time under 19V-813 on 14 November 2019 — 528,594 2011-2013 Durango and Grand Cherokee vehicles "previously recalled under NHTSA Recall 14V530 or 15V115."
The BMW starter relay. 25V-636, September 2025, 199,674 vehicles; 26V-441, July 2026, 29,119 more. "The engine starter relay may corrode, causing the relay to overheat and short circuit," with a fire consequence and instructions to park outside until the starter is replaced.
The GM eAssist generator control module. 13V-173, May 2013, 42,904 2012-2013 Buick LaCrosse and Regal and 2013 Malibu Eco: a module that "may not function properly," causing "a gradual loss of battery charge," and then "the engine may stall and/or the vehicle may not start" — plus "a burning or melting odor, smoke, and possibly a fire in the trunk."
And one that is still open. DP23-004, opened 30 August 2023, is a defect petition to Toyota about electrical problems and a no-start on a 2019 Yaris; the flat file we queried on 18 September 2026 shows no closing date.
Here is the five-minute check, and do it before you authorize anything:
1. Find your VIN — driver's-side dash at the windshield, the door-jamb sticker, or your insurance card. 2. Run it at nhtsa.gov/recalls. Open recalls on your exact car come back free. A recalled defect must be remedied without charge under 49 U.S.C. 30120. 3. Search the manufacturer communications for your year and model on the same site and read the summaries for "no start" or "no crank." You get the bulletin number, which is what turns "it won't start" into "does bulletin X apply to my VIN?" 4. If the dash lights up, get the codes read before anything is replaced. A scanner has power to talk to, and low-voltage or immobilizer codes are exactly the kind it stores.
Why a scanner shows nothing on a silent no-start
If someone's told you to buy an OBD2 scanner to "see what's wrong," here's why it usually won't help on a silent no-start: the scanner reads trouble codes the car's computer has logged, but the computer can only log a fault when it has power to do so. A completely dead battery, a broken connection, or a blown main fuse means the computer is either off or starved — so there's no code to read, and the scanner shows nothing even though something is clearly wrong. That's the opposite of a check-engine situation, where the engine runs and the computer is fully awake to record what it sees. There is one real exception, and it matters on modern cars: if the dashboard lights up normally, the computer has power, and a scanner may well find something — an immobilizer or key-authentication fault, a transmission range-sensor code, a low-voltage code such as the U3007 and C2100 pair that Stellantis names in its own 12-volt battery bulletin. So the rule is the fork, not a blanket ban: dark dash means the scanner has nothing to talk to; lit dash means it is worth plugging in. For the dark-dash half, the useful diagnostics are physical and free — the dome light, the terminal check, the jump-start result. This is also why the physical checklist above fits this case better than a scanner — or than a sound check, which needs a running engine — and why the scanner-vs-sound comparison matters here: on a no-start, the tool most people reach for is the one least likely to tell them anything.
Three silent no-start traps, dissected
Trap one: the starter sold on silence. The situation: a tow driver jumps the car, it doesn't start, and he says "must be your starter — tow it in." What's real: a starter can be silent — a solenoid with burnt contacts, an open field winding or a corroded feed makes no sound at all, and BMW recalled 228,793 vehicles in two 2025-2026 campaigns because the engine starter relay corrodes. But silence also fits a battery, a cable, a fuse, a relay, a fob and a power module, and in our data owners name the battery four times as often as the starter. The point is not that it is never the starter. The point is that silence does not identify the starter, and a tow driver's shrug is not a test. The price: a $150 tow plus a $500 starter that changes nothing. The defense: run the free dashboard-and-terminal checks first, then ask for a voltage-drop test on the starter feed and ground before a starter goes in. At the shop: “Please show me the voltage at the starter's S-terminal while someone holds the key at Start, before we replace anything.” That single measurement separates a dead starter from a signal that never arrived.
Trap two: the loose cable nobody checks. The situation: a no-start gets "diagnosed by replacement" — a battery ($250), then an ignition switch ($400) — and keeps coming back, until someone finally wiggles a loose negative cable and tightens it for free. What's real: a loose or corroded terminal is the single most misdiagnosed cause, precisely because it's too cheap to bill and gets checked last. The price: $800 across a tow and two parts for a 15-second wrench-turn. The defense: tighten and clean the terminals before authorizing any part — it's the first thing to rule out, not the last.
Trap three: the tow before the fob. The situation: a push-button car won't start, so it gets towed — and the shop swaps a $5 fob battery. What's real: a fob is named in 11.31% of the complaints we analyzed, and holding it against the button uses a passive chip that needs no coin cell at all. The price: a $180 tow for a CR2032. The defense: try the fob-against-button trick before calling anyone.
Three silent no-start situations, decoded
These are composite scenarios, not individual customers: each combines details that come up repeatedly in owner reports and shop quotes.
Scenario 1: the $180 tow that was a 30-second fix. A driver's car went silent — no click, dash worked. A tow driver jumped it, shrugged, and quoted a starter; the driver paid $180 for the tow. At home, on a hunch, they wiggled the negative cable — it was loose. A hand-tighten and it started. $180 wasted on a free fix. Lesson: silence with a working dashboard is a connection, not a starter — the terminal check comes before the tow, every time.
Scenario 2: the "dead battery" that started in Neutral. Silence in Park, assumed to be the battery. Tried in Neutral, fired right up — a failing range switch. $180 fixed it. Lesson: one free test tells you.
Scenario 3: the panic tow that was a $5 coin cell. A push-button car did nothing at the button; the fob had been weak for weeks. Holding the fob against the button started it. A $5 CR2032 later, done. Lesson: check the fob before the tow truck.
Four silent no-start playbooks for where you are right now
"Dash is dark, nothing works." A dead battery or a broken connection. Check the terminals, then jump it — starts means it was the battery, so drive 30 minutes and have it tested; if it keeps dying, read the drain-vs-alternator hunt.
"Dash lights up but the key does nothing." The starter signal is interrupted downstream. On an automatic, try Neutral (a neutral safety switch); on a push-button car, check the fob ($5); otherwise check the starter/ignition fuses and, if it's intermittent, suspect the ignition switch. Ask for the measurement at the starter before anyone replaces it: silence does not identify the starter either way.
"Sometimes it starts, sometimes not." Intermittent silence points at the ignition switch, the immobilizer or a power module. Note whether the dash goes dark at Start, whether a security icon is lit, and whether the key feels loose — then get the codes read while the dash still lights.
"It's been towed and they want to replace parts." Slow down. Tell them what you have already ruled out — gear, brake, fob, terminals, jump result — and insist the cheap causes are confirmed and the starter measured rather than assumed. A second opinion is cheap next to a wrong part.
After the fix: stay out of the silent no-start
Keep the terminals clean and tight. The single highest-value habit here — a periodic check and a dab of dielectric grease heads off the most misdiagnosed cause on the list. Replace the fob battery proactively. On a push-button car, a fresh CR2032 every couple of years prevents the $5 panic. Test the battery before winter. A free parts-store test each fall catches a battery about to go flat overnight. Don't ignore a creeping intermittent. Random today becomes constant later, and a planned repair beats a stranding. And keep a portable jump-starter in the trunk — a $40-$80 pack turns a dead-battery morning into a two-minute fix and doubles as a free diagnostic.
Should you buy a used car with a history of no-starts?
It is the fair adjacent question, and it splits cleanly in two — because on this symptom the cheap answer and the expensive answer look identical from the driver's seat.
The reassuring half. Across 495 federal complaints about silent no-starts there are three injuries and no deaths, and the crash and fire fields both run below the file's own baseline. This is not a symptom that hurts people. A car with a documented no-start history is a car with an unresolved electrical question, not a dangerous one, and that makes it a price negotiation rather than a walk-away.
The half that should worry you. One in five of those complaints (19.80%) describes an intermittent fault — it starts, then it doesn't, then it does. An intermittent electrical fault is the single hardest thing to buy, because it cannot be demonstrated on a test drive and it cannot be priced in advance. Ten percent of the set describes a battery that tested good, and 4.04% a starter that was replaced, in both cases without fixing anything. Those are people who paid twice.
So: three questions before you sign.
Has it been towed, and what was done? Ask for the invoice, not the story. A no-start fixed by a battery with a receipt is a solved problem. A no-start fixed by a battery, then a starter, then "it's been fine since" is an unsolved one.
Does the dash light up when the key is on? Sit in the car and turn the key to On before you turn it to Start. Full dash is a downstream problem and the list is long; dark dash is a battery or a cable and the list is short and cheap. You now know more than the seller does.
Is anything open on the VIN? Run it at nhtsa.gov/recalls while you are standing there. A 2011-2013 Durango or Grand Cherokee with an unrepaired 19V-813, or a 2019-2022 BMW with an unrepaired 25V-636, is a car with a free repair attached — the manufacturer owes it regardless of who owns the car now.
At the shop: if you can get a pre-purchase inspection, the specific line worth paying for is “voltage-drop test on the main battery cables and the engine ground, plus a parasitic-draw measurement with the ignition off.” Twenty minutes of a technician's time buys you the two measurements that predict this symptom better than any test drive.
Sources and documents
Primary documents and public data, opened and read this month. Our own analysis is published as CSV so you can check it.
- Recall 19V-813, Chrysler (FCA US LLC), 14 November 2019 — 528,594 2011-2013 Dodge Durango and Jeep Grand Cherokee vehicles "previously recalled under NHTSA Recall 14V530 or 15V115," whose "fuel pump relay inside the Totally Integrated Power Module (TIPM-7) may fail." NHTSA campaign record · earlier campaigns 14V-530 and 15V-115
- Defect petition DP14-004, "Totally Integrated Power Module Failure," opened 25 September 2014, closed 24 July 2015 — the Center for Auto Safety's August 2014 petition covering Chrysler SUVs, trucks and vans from the 2007 model year; ODI analyzed 296 complaints, 271 of them on TIPM-7 vehicles. NHTSA investigation flat file, record DP14004.
- Recall 25V-636, BMW of North America, 23 September 2025 — 199,674 2019-2021 330i, 2019-2022 Z4, 2020-2022 530i, X3, X4 and Toyota Supra, 2021-2022 430i and 2022 230i vehicles: "the engine starter relay may corrode, causing the relay to overheat and short circuit," with owners advised to park outside until the starter is replaced. NHTSA campaign record
- Recall 26V-441, BMW of North America, 8 July 2026 — the same defect extended to 29,119 2016-2020 plug-in hybrids. NHTSA campaign record
- Recall 13V-173, General Motors, 6 May 2013 — 42,904 2012-2013 Buick LaCrosse and Regal and 2013 Chevrolet Malibu Eco with eAssist: a generator control module that "may not function properly," after which "the engine may stall and/or the vehicle may not start," with "a burning or melting odor, smoke, and possibly a fire in the trunk." NHTSA campaign record
- Defect petition DP23-004, "Electrical problems / No-start," Toyota, opened 30 August 2023 — a petition about a 2019 Yaris describing warning lights, an inoperative key fob and a no-start since late 2022; the investigation flat file we queried on 18 September 2026 records no closing date. NHTSA investigation flat file, record DP23004.
- Subaru Service Information Bulletin 15-308-23R, issued 15 November 2022, revised 20 August 2026, all internal-combustion models — a procedure for diagnosing parasitic draw "in vehicles experiencing battery drain when the ignition is off, leading to no-start conditions or frequent jump-starts," written to counter "the tendency of technicians to prematurely attribute parasitic draw to the Data Communication Module." PDF
- Jaguar SSM73814, 19 April 2018, 2016-2017 XJ, F-Type, XE and XF and 2017 F-Pace — "Customer reports that, intermittently, the vehicle will not crank," traced to the telematics control unit and to water ingress corroding its connectors, with the instructions "Do not attempt to update the TCU software" and, where corrosion is found, "Do not replace TCU" until the leak is located. PDF
- Stellantis bulletin 08-106-21, "12V Battery Low Charge" — test and possibly replace the 12-volt battery where DTCs U3007-00 (Control Module Input Power "B" Circuit/Open) and C2100-00 (Battery Voltage Low) are stored. NHTSA records 10212493 and 10221346.
- 49 U.S.C. 30120 — a manufacturer must remedy a defect determined to be safety-related without charge. Statute text
- NHTSA VIN recall lookup — open, unrepaired recalls on your exact vehicle, free. nhtsa.gov/recalls
- NHTSA ODI complaint flat file — 777,040 vehicle complaints received 1 January 2015 to 8 September 2026. Field dictionary
- Our analysis, published — what owners name, structured fields vs baseline, by make, top models, no-start bulletins by manufacturer and the method file. Licensed CC BY 4.0.
What we could not verify. There is no published, independent figure for how often a silent no-start turns out to be each of these ten causes, and the complaint file cannot supply one, because it systematically cannot see the fixes that happened for free in a driveway. That asymmetry is why this page ranks by cost rather than by frequency. We also could not re-price the repairs this pass: RepairPal returned HTTP 403 to our request on 18 September 2026 and we did not work around it, so every dollar range here carries its earlier verification date.
Your action plan: next 5 minutes, today, this week
Next 5 minutes (free):
- Read the dashboard: dark (battery or connection) vs. lit (a switch or fuse downstream).
- Rule out the interlocks: gear firmly in Park, brake pressed hard, clutch floored — free and instant.
- Check and tighten the terminals — the most misdiagnosed cause, and a $0 fix.
Today: 4. Jump-start to split the battery from an electrical fault: starts = battery; still nothing = switch/fuse/wiring. 5. On a push-button car, swap the fob battery; on an automatic, try starting in Neutral.
This week: 6. Match the fix to the fork — a $0 clean, a $5 fob cell, a $150 battery, a $300 switch — in that order of cheapness. 7. Before authorizing a starter → ask for the voltage reading at the starter's signal wire while the key is held at Start; confirm the connection, fuse, relay and switch first. 8. If it's towed → tell the shop what you've ruled out, and insist the cheap causes are checked before any part.
Related guides: car clicking when starting, why a car won't start, when it cranks but won't fire, why a battery keeps dying and full battery pricing. For the money side: what a diagnostic should cost. And our story explains why PulsCar exists.
How these numbers were built: cross-checked against 2026 estimator and shop-survey data (jump-start $0; terminal cleaning $0-$20; key fob coin cell $3-$10; starter/ignition fuse $5-$50; battery replacement $100-$350; neutral safety or clutch interlock switch $100-$300; ignition switch $150-$400; rare engine control module $400-$1,000), at 2026 independent-shop labor rates, with free battery testing and installation at most parts stores. Assumes the dashboard behavior is read first and the free interlock, terminal, and jump-start checks are done before any part is authorized. PulsCar product statements corrected 17 September 2026.
Prices verified July 2026 and reviewed quarterly — no estimator would serve our checks this pass (RepairPal returned HTTP 403 on 18 September 2026 and we did not work around it), so the ranges above are unchanged and should be treated as benchmarks to confirm at the counter. Technical documents verified September 2026: the five recall records, the three defect petitions and the three manufacturer bulletins in the sources list were read on 18 September 2026 — two bulletins as original PDFs on static.nhtsa.gov, the recalls through NHTSA's campaign API, the rest as NHTSA's published record text — and the complaint, communication, recall and investigation flat files behind our own analysis were queried the same day.
Have a silent no-start pattern we didn't cover? Email [email protected] with what you're seeing — the dashboard behavior, the jump-start result, and your transmission type — and we'll add it to the next version of this guide.

