Other Fuel System Problems of Chevrolet Silverado 1500 - part 1

On October 9, 2026, I was driving my 2024 Chevrolet Silverado 1500 rst on a rural road at approximately 35–54 mph when the engine unexpectedly shut off without warning. There were no warning messages or indications of a problem before the engine stopped running. The instrument cluster remained illuminated, but the vehicle lost engine power and propulsion. I was able to bring the vehicle to a stop safely without an accident or injuries. However, the sudden loss of engine power while traveling at road speed created a serious safety concern. After the vehicle stopped, I attempted to restart the engine. The engine would crank normally but would not start. Diagnostic trouble code p129f was identified using a scan tool and was also displayed through the Chevrolet application. The vehicle is currently at an authorized Chevrolet dealership for diagnosis and repair. Based on the diagnostic code and reported symptoms, a failure of the fuel pump control module is suspected, although the dealership has not yet confirmed the cause. I am concerned that a sudden, unexpected engine shutdown could result in a collision, particularly if this failure occurs at highway speeds, in heavy traffic, or in a situation where a driver cannot safely move the vehicle off the roadway. I am requesting that NHTSA document this incident and evaluate whether a potential fuel pump control module defect presents a safety risk to owners of 2024 Chevrolet Silverado 1500 vehicles.

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I received a notice via onstar of a p129 code of a critical issue with engine or transmission system on my 2020 silverado pickup after I pulled on to the highway. Vehicle reduced engine power warning and engine light came on. I was forced to put vehicle in neutral and restart vehicle several times. This code indicates fuel pump control module being defective. After researching, there seems to be issues with this on the the following; general motors has issued voluntary emission recalls (such as bulletins n252516900 and n262558690) for the fuel pump power control module on select 2021–2023 Buick, Cadillac, Chevrolet, and GMC vehicles. The issue with my vehicle is the same.

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While traveling down the road at approximately 65 mph, I lost all power to the truck while towing an empty 3500lb trailer. I was unable to restart vehicle and had to have it towed to a dealership at my expense.

I was traveling on a 55mph road. My chevy silverado started to shake and lose propulsion. I pulled off on the side of the road. In idle it shook. The dealership was one mile to my south. I turned on the hazard lights and went to the dealership. I could only get the vehicle to 45mph as in shook very bad the whole way. It felt as if the engine was going to explode the whole way there. The vehicle was taken to the dealership where it has been initially diagnosed as a bad lifter.

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I am submitting this complaint regarding a 2021 Chevrolet Silverado 1500 trail boss 4wd with the [6. 2l v8 (l87)], VIN [xxx], 101,000 miles. The truck was assembled in mexico in xxx, about six weeks before xxx, just outside the build range of gm recall 25v-274 (n252494000, engine failure). On 10/2/2026, [xxx], [xxx] a certified gm dealership, diagnosed crankshaft and lifter failure, matching the recall condition. Codes: p0300, p050d, p0016. The truck was shaking violently, the esc and emergency braking system failed, reducing engine power. Gm's part 573 filing attributes the defect to out-of-specification crankshafts and identifies a mexico-based crankshaft supplier. I ask gm to confirm my engine's build date and crankshaft source. A six-week gap in build date should not exclude a truck with the same failure. Engine failure can cause sudden loss of power while driving, a safety risk. The dealer quoted repairs of up to $10,292. 00. I request: that gm cover the repair in full as a goodwill adjustment. That gm and NHTSA review expanding the recall population to trucks built near my date. Information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

As I was driving, the vehicle threw a cel and I saw the rpm’s fall. This happened multiple times, twice at an all-way stop sign, and once at a major intersection resulting in me being stranded with my vehicle in the middle of an active roadway, unable to move my vehicle. I brought my vehicle into the Chevrolet dealership and the service department is claiming that I need to pay $1500 for a fuel pump with a cel code that is not able to be duplicated. There is a TSB 24-na-139 regarding my issue saying that it is not the fuel pump, it is the fuel pump control module. My issue is that the dealership wants me to pay $1500 for a fuel pump solely off of their “guess” of what the issue is. The bulletin calls out the p102b as one possible code related to the issues. I refused this service since this is just the dealership’s guess of what the issue may be and I believe the fuel pump control module should be replaced for free under the 8yr/80k federal emissions warranty. I requested that the dealership check the module as a part of the $245 diagnosis I paid for and they are insisting that the issue is with the fuel pump.

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Truck stalled out while driving as if it had run out of fuel. Had to be towed to my house.

I was sent a notice of a recall regarding a fuel pump, power control module that needs to be taken care of, but it is not being accepted under my VIN number. I believe that there is this issue with my vehicle or something similar because every day I start the vehicle up for the first time and drive it. It is jerking me and does not have proper fuel or proper pressure to move the vehicle without jerking me. After 10 to 15 minutes it cleans up and drives better but then again we’ll redo it if I sit still for multiple hours and restart the vehicle again late in the afternoon it will do it all over.

My vehicle was serviced for the chevy l87 recall a couple of thousand miles ago. It currently has 13343 miles on it and I was driving down the road and then all of a sudden the engine just stopped and my vehicle lost power leaving me stranded on a state route xxx in [xxx], which is a dangerous route with nowhere to pull off. This issue has been going on for years now and chevy needs to make this right. Information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

While driving at interstate speeds, the engine abruptly stalled, causing an immediate loss of motive power. I was able to coast off the interstate to a surface street then into a gas station parking lot. Once stopped, the engine would not start again. It would crank repeatedly but never fire, like it was out of gas, but I had nearly 1/2 tank still. This is a safety concern having a 3yr old truck just die on you at highway speeds. This vehicle matches the exact year, make, and model of the expanded gm emission recall campaign n262558690-01 (NHTSA id 11037321) for fuel pump power control module failures, but the VIN is currently excluded. ".

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Was driving at highway speeds when truck shuttered and rattled and quickly slowing down. Warning errors on dash stated "reduced acceleration, drive with care", "service emissions system", "service traction control", "service esc". Got vehicle to dealer and they confirmed the error code (p0202 - covered under powertrain warranty), but then also noted an error code for p129f where the truck would not start up. They are recommending a replacement of the fuel pump power control module. Gm had updated a NHTSA bulletin (original: n262558690 - emissions recall - fuel pump power control module - July 15, 2026) on August 12, 2026 that expanded the population of qualified models to include the 2022 GMC sierra 1500. However, on September 1 they issued an updated notice that said "gm has since identified certain 2022-2023 model year Chevrolet Silverado 1500 and GMC sierra 1500 vehicles that were erroneously included in this recall and are not affected by the condition. " I believe my truck was originally included in the recall, was removed two weeks ago, and now my dealer has subsequently diagnosed a fuel pump power control module failure with dtc p129f and recommended replacement this all follows a warranty repair I had to get two weeks ago on my engine coolant control valve (p1098), which was covered under powertrain warranty.

Have notice that the car jerks hard from time to time and when try to accelerate the car does a quick/short stop then accelerates hards very jerky. Also I smell coolant and my check engine light came on. .

My 2021 Chevrolet Silverado 1500 rst with the 6. 2l engine experienced an engine seizure. The engine was replaced by a Chevrolet dealership under a gm safety recall. Immediately after picking up the vehicle following the recall engine replacement, the truck stalled while still in the Chevrolet dealership parking lot. There was no warning before this first stall. We continued our trip because we did not realize at the time that the stall could indicate a problem following the engine replacement. During the drive from [xxx] to [xxx], the problem continued. In [xxx], the check engine light illuminated and the truck began malfunctioning. The vehicle subsequently stalled again. The problem continued after returning to [xxx]. A Chevrolet dealership in [xxx] inspected the vehicle and reproduced/confirmed a problem involving the camshaft position sensor wiring/connector. The dealership demonstrated the problem by manipulating the connector/wiring and recorded a video of the diagnostic procedure. The vehicle is currently at the Chevrolet dealership and is available for inspection. The affected component should also be available for inspection because it has not yet been repaired. The [xxx] dealership has characterized the wiring/connector condition as normal wear. However, the first stall occurred immediately after the gm recall engine replacement, while the vehicle was still on the repairing Chevrolet dealership's property. Unexpected engine stalling creates a serious safety risk because the vehicle can lose propulsion without warning while driving, including at highway speeds or in traffic. I am concerned that the camshaft position circuit/wiring/connector problem may be associated with the recall engine replacement procedure or replacement engine. I am requesting that NHTSA investigate whether other vehicles receiving this gm 6. 2l engine recall remedy have experienced similar camshaft position circuit failures or unexpected stalling after engine repair. Information redacted pursuant to the freedom of information act (fo.

Cold starts sometime there is an audible tick, there is also occasional low oil pressure and the gauge drops and returns to the normal range.

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While driving this 2026 chevy silverado, the engine has shut off while driving it. While driving down the road the engine will shut off and a message on the display will show "return to neutral" and "press start". This is very dangerous to have a vehicle shut off while driving down the road as it affect my family and other drivers on the road. The vehicle need to be completely stopped to shift to park, in order to start the vehicle again. There are no signs or warnings that this is going to happen, it just happens randomly. The dealer can not reproduce the problem but did confirm to me this has happened to several other same make/model vehicle that have been reported at the same dealership. On another unrelated safety issue with this same vehicle, the gas tank over flows when filling it up. Dealer was able to reproduce this problem, but doesn't know how to fix it yet. Is waiting to gm to approve what should be replaced, under warranty. This is dangerous for me and other people at gas stations. I can't fill my vehicle up all the way with fuel, otherwise it runs down the side of the vehicle and on to the ground where it is very flammable.

Evaporative emissions purge pump failed at 18,473 miles. As the bumper-to-bumper warranty has expired gm refused to cover this repair. As this is a known problem with certain gm vehicles, the repair is covered for older model year out-of-warranty cars and for residents of other states (California, for example). This repair is covered by the emissions warranty in some states (California), but not michigan.

Afm causing engine tick. I am reporting a radiator failure on my 2019 Chevrolet Silverado 1500 equipped with the 6. 2l v8. The vehicle developed an active coolant leak from the radiator assembly. The coolant reservoir level dropped significantly after normal driving, and coolant was visibly leaking and collecting underneath the vehicle. The truck initially began running warmer than normal, approximately 215–220°f, before the leak was fully identified. After topping the system with the correct dex-cool coolant, the coolant level continued to drop and an external leak became clearly visible. The vehicle was subsequently parked to avoid engine overheating or further damage. The original radiator carries gm part number 84152439. I have since been advised that the current gm replacement radiator is part number 85575815. I was also informed by gm dealership personnel that radiator failures involving this application are currently being investigated. My concern is that a sudden radiator failure can result in rapid coolant loss and overheating, potentially causing engine damage or vehicle disablement while driving. This is particularly concerning because the temperature gauge may initially remain near normal even while coolant is being lost. I am requesting that NHTSA review radiator failures on 2019 Chevrolet Silverado 1500 models, particularly vehicles equipped with the 6. 2l engine and heavy-duty/enhanced cooling package, to determine whether there is a pattern of premature radiator cracking, tank/seam failure, or other coolant-loss defects that warrant a safety investigation, service campaign, or recall.

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Engine abruptly lost power in middle of high speed lane. I did not have enough momentum to make it to safety, totally on the shoulder, transmission locked up, couldn’t move vehicle to safety, extremely dangerous situation!!!.

I was driving vehicle through town when I suddenly lost all power and luckily was able to get off the road. Onstar sent a code and it was a fuel pump module.

I experienced a crankshaft bearing failure while driving my 6. 2l v8 Chevrolet silverado on the highway / freeway. Thankfully I was able to exit highway / freeway to avoid a car collision due to loss of power. My truck was towed to a certified chevy dealer. This is a known issue for 2019-2026 6. 2l v8 l87 engines. The truck was previously inspected by a certified chevy dealer for prior l87 engine recall. It passed and they changed the oil type to 0w-40. Prior to this event, my truck was at the dealer for a low oil pressure issue / oil pan replacement. I picked it up from the dealer after the vehicle was repaired and drove it for about three days and then experienced the crankshaft bearing failure. No warning lamps illuminated prior to failure. My truck is currently at the dealer waiting for a new engine.

Vehicle sent alert on phone saying battery critically low, then the vehicle started having fuel gauge issue and started lurching. Shut the vehicle down saw a p129f in the alerts. Checked battery vehicle was a no start. Luckily near a shop so it wasn't catastrophic and was able to r eplace the fuel pump control module and it instantly started. This part needs to be recalled it is a safety hazard that chevy does not aknowledge.

Catastrophic engine failure - chevy, Silverado 1500, 2023; odometer: 33,183: on 8/16/2026 we were traveling down a busy highway towing our camper and the engine completely stopped, no propulsion, no warning lights, no check engine lights; complete failure; we had to coast to side of road. The only thing that indicated a problem is that we started hearing what sounded like marbles rattling, it wasn't loud but noticeable. We pulled over at gas station to check oil, even though we just had the oil changed for maintenance on 7/17/2026 (odometer: 32,587). Everything checked out ok; however, the marble sound became louder; then within 5 minutes of leaving the gas station, we lost all engine propulsion; the engine completely shut down. Our safety was put at risk as we had no truck engine and were towing a camper on a busy highway; and had to try and coast to a safe location on side of road; miles away from home. We had to call a tow truck to come get us and unfortunately, they could not help us with our camper so then had to call our son to come with his truck to get our camper and us home safely. The tow company also had a difficult time getting the truck into neutral to tow. The truck was towed to our hometown chevy dealer. The dealer said that they were not going to diagnose the problem and instead are ordering a new 6. 2 engine; same as the 6. 2 that failed. We asked if this would fix the problem and they said there were no guarantees as it is the same engine with the same problem. Prior to this event, we received a recall in Sep 2025 and an engine inspection and oil change was performed on 9/12/2025 (odometer: 25,751); we were told that our engine was ok. As of 9/3/2026; we have been without our vehicle for 17 days.

The engine cut itself off and shifted itself into neutral as I was slowing down and turning left into the gas station. It is available for inspection. My safety was at risk because had this happened on a legal road way, it could’ve caused someone to rear end me or t-bone me because I would’ve unexpectedly stopped, or the power steering may not have worked and I could’ve run into something. It has not been reproduced by any mechanic, only me. It has happened to me only twice within a 400 mile span. It has been inspected by a gm dealership twice now and is currently still at the dealership. There were no warnings of any kind before, during, or after the occurrence.

On my way home to [xxx] from [xxx] around xxx, my 2021 chevy silverado with 84,xxx miles with the 6. 2 l engine started to make a popping sound. I checked my dash for any error codes and there were none. The oil pressure, temp, and transmission temp gauges all read normal. I stopped and topped the gas tank off with premium gas and checked the oil level, which was good. I was able to limp the truck back to my house. The next morning when I started it, there were error codes and the engine was still making the popping noise as well as a louder knocking noise. I started researching the symptoms, called two local independent shops and concluded the dfm system that shuts cylinders off to conserve gas has failed and caused the lifters to fail. I was told the failed lifter could and probably did damage the cam shaft(s). If I kept driving it, the camshaft damage could cause complete engine failure and more safety consequences. One shop quoted $5000 to replace lifters and $8000 if the camshafts were damaged. The other shop was similar, but offered a rebuilt engine for $12,000 because the lifters, camshafts, and new gm crate engine were all back ordered with no eta from the local chevy dealership. After weighing my options, and needing a truck, I decided to trade in my damaged truck. I contacted the gm concierge on xxx and was told to call back when the dealership had my damaged truck and could diagnose it. On xxx I called them back and they said they wouldn’t help because I traded it in. I had no plans to trade it before the engine failed and took a substantial hit on the trade in price that gm should have helped with to cover their faulty dfm system that caused the lifters to fail, which the dealership confirmed was the problem. They said they wouldn’t know if the camshafts were damaged until they took it apart, which they decided to not do and send it to auction instead. Information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

Multiple times the truck has stopped running while driving. Once one the highway, once in an intersection, another time in a parking lot. It has not started when I have tried to turn it on. All the times I have called aaa. They have checked the battery and there is no battery issue. Twice aaa has come out, once the police have come and sat behind the truck to keep me safe. After about 10 minutes of the sitting with the truck off I can restart it and drive. Upon research, other chevy trucks of similar age have a recall for a failed fuel pump module. This is the issue. If it is a known issue, and causing a dangerous situation it should be recalled on all trims of chevy trucks. I will be getting this fixed, but don’t feel I should incur the $1,000 expense for a known defect.

Was making a left turn with a left turn street light green for me to turn across an intersection. Pickup stalled in the middle of the intersection and would not start. With the help of another person we manually pushed the pickup out of the intersection and onto another side street. I received an email at that exact time from general motors showing a code of p129f which is the fuel pump power control module. I am a [xxx] man stranded in 90 degree heat with no ac or shade to get under. My safety was put at risk in the above instance but more so if I had been entering ih 10 into traffic traveling 70mph and my truck had just stopped running without any warning. This is a known problem as described in gm service bulletin 24-na-139 with both the NHTSA and dot. Information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

Main bearing failure at highway speed. Engine replaced by gm under warranty. Vehicle had the recall service done prior to the failure, the recall test and different oil was inadequate to predict or prevent this failure. Vehicle was serviced by the dealer for all oil changes on time.

Check engine light repeatedly comes on. Take it in, multiple chevy dealerships “fix” the errors such as fuel line pump 5x, gear shift issues, modules that went bad and various other issues. I routinely take care of vehicle (oil changes, tire rotations and service when needed) this truck will randomly shut off while driving (stop and go traffic ) I was told to turn off the start/stop which I do every time I get in the truck. However it recently wouldn’t turn over after going through a car wash, it would try and try till I manually stopped it. It’s running rough now and I pray everyday the check engine light doesn’t come on or that it doesn't just shut off mid drive. This truck has been hell on wheels and I bought it with 10 miles on it. Bought it from autonation in 12/2023.

On xxx I was driving from [xxx] to my sister's house in [xxx]. I was relocating to [xxx] for a job. I was pulling a u-haul trailer (6x12) that contained significantly less weight than the truck can handle. About halfway there, on back roads, the truck suddenly slowed significantly and the gas pedal was unresponsive. The light in the dashboard read reduced acceleration - drive with caution. Pulled over, turned off truck, opened driver side door, to reset the truck (read this on google). We had to do this a couple times, because it would just go back to that behavior after a bit. We made it to my sister's house to stay the night. In the morning, xxx, I called the local chevy service dept in [xxx] and asked if I could bring it in, I described the problem. During the drive to the shop, the same issue occurred. Upon arriving at the service dept, the trailer app was giving a warning that the load may be heavier than max. Which cannot be true. The dealer techs said they had never seen anything like it before, but they seemed to know what to look for. They then informed me that they could not loan me a car because I was traveling out of state. I had a deadline, so my only option was to rent a u haul box truck, unload the back of my truck into it, hitch the trailer I already had to it, and drive to [xxx] information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

I have a trial boss and it wont shut off when the key is off, keeps running. Did some research and it gave a couple of thing to check.

Truck stutters and idles terrible. Vehicle warning light keeps saying, reduce acceleration and drive safely. Two years ago an injector went bad, and it was fixed. 6 months ago, we had it in the shop, of course still under the 60k mile warranty. Said it was fixed, it wasn’t. Just had it back there, and they replaced the the torque converter. Shaking stopped for a month. Now it is even worse. Believe it is faulty injectors. Sadly, we’re not passed the 60k warranty period and feel unsafe driving our truck which we need every single day. Truck is nearly paid off and feel like we got jipped as this truck continues to have problems after problems.

Truck continues to shutter after having the torque converter replaced and the 2nd injector replaced. Been in the shop several times over the last few years, and still giving warnings on the dash saying, reduce acceleration drive safely. Feel like we just got a terrible vehicle. Almost paid off, and it’s just unreliable. Sadly we need this truck every single day, and the local dealerships have now pushed the problem out so far that we’re passed out 60k warranty period.

A valve on the 3. 0l duramax is allegedly sticking, causing the vehicle to go into limp mode or be inoperable. This is a known issue for gm and they have issued a service bulletin on it. Unfortunately, no dealers want to address the issue and now we are left with a vehicle that if we do not pay to repair, after it being ours for only 5 days, the vehicle will be unusable. This vehicle is under warranty still and this part is needed for operation. I believe this avoidance of a recall is harming customers and creating pay to drive schemes. This needs to be addressed before thousands of customers begin paying for a repair that gm knows is their fault.

While driving at highway speed, my vehicle developed a serious transmission problem. At approximately 75 mph, it suddenly lost the ability to maintain speed and dropped to about 55 mph despite throttle input. Engine rpm increased significantly and the vehicle had greatly reduced propulsion. Normal operation temporarily returned after the vehicle was shut off and restarted. The vehicle has also experienced harsh shifting, vibration, limp-mode behavior, a check-engine light, and I reported a momentary wheel-lock event. These symptoms create a safety concern because an unexpected loss of propulsion or abnormal transmission behavior at freeway speeds can increase the risk of a collision. The vehicle was inspected by an authorized Chevrolet dealer. The dealer documented transmission-related diagnostic codes including p0700, p0970, p0968, and p0711. The dealer's repair order specifically referenced gm program n242454441-03, described transmission control-valve wear and pressure loss, and recommended replacement of the valve body. A separate repair estimate included the valve-body assembly and related transmission service parts. Despite the dealer recommending valve-body replacement, gm/dealer coverage was denied primarily because p0747 was not present at the time of diagnosis. I am reporting this because I am concerned that transmission control-valve/valve-body deterioration may cause harsh shifting, reduced propulsion, limp mode, or other safety-related symptoms before or without p0747 being stored. I am asking NHTSA to review whether vehicles with the same underlying valve-body failure may remain on the road because the specific qualifying diagnostic code is not present during a dealer scan. The vehicle and transmission are available for further inspection if requested.

On June 18, 2026, my 2022 Chevrolet Silverado 1500 with the 5. 3l v8 engine and approximately 41,000 miles suddenly stalled and died while driving in traffic and would not restart. The vehicle had to be towed to a Chevrolet dealership (starling Chevrolet in mt. Pleasant, SC). The service manager ran a diagnostic and identified the fuel pump control module (fpcm) as the likely cause of failure. This appears to be a known and widespread issue affecting newer silverado trucks. The sudden stall while driving with no warning created a dangerous situation in traffic. The vehicle is currently at the dealer awaiting repair under the powertrain warranty.