Other Fuel System Problems of Chevrolet Silverado 1500 - part 1

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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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!!!.

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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.

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.

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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.

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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.

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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.

Fuel regulation module k111 part number gm13540028 failed and when this part fails the truck is stuck where it is. The brakes are locked, the truck cannot be started or put in neutral. If the truck stops on the road or freeway you are completely stuck where you are in the middle of traffic. This part fails often and failure leads to a very dangerous situation.

Complete engine failure on the highway, compete engine and power lockup, towed back to dealership where complete engine lockup was confirmed. No prior issues, no other damage contributing to failure. Claims not to be covered under current recall, advising the recall be extended to all 6. 2 19-04 chevy models as I experienced the same engine failure as recall states.

Vehicle would not start while on vacation. Called a tow to take to gm dealer. Turns out the fuel pump control module was bad. Some 2023 with a 5. 3 had recalls. I was told my bin didn’t qualify so gm told me to contact you.

2022 Silverado 1500 ltz w/6. 2l 38082 total miles. First engine replacement due to seizure at approx. 17,782 miles around June/2025, the vehicle lost all propulsion and stopped running while sitting at a stop sign at a four way intersection during a really bad thunderstorm, luckily the intersection was on a declining hill and I was able to coast it into nearby parking lot . I'm a senior citizen with a replaced hip and couldn't have gotten it out the roadway otherwise. Contacted gm through the app. To arrange service and tow. The tow couldn't be completed by the assigned wrecker service because it was busy with other tows because of the severe storms. The following afternoon, it was towed to the local dealership for service. It took approx. A week before I was finally informed that the engine seized with explanation. . Repair took just over 3 months to complete under warranty/recall at dealership, didn't get vehicle back until the beginning of September 2025. Engine replacement inspection passed by GMC on the recall inspection at local dealership. Oil changed from factory 0w-20 to 0w-40 around January or February 2026 if I'm not mistaken. Driving down the highway on 06/03/2026 and all the sudden loss of propulsion. Zero warning! lucky I was able to coast onto an exit ramp without getting in an accident with hwy. Traffic! luckily I was able to find a church parking lot and asked a person that I knew to give me a ride home. Because it was after business hours, I waited till the local dealership opened the next morning and spoke with service personnel and they arranged a tow to take it to the dealership. As of the end of the business day 06/05/26 I have no word from dealership on the status of vehicle, but the vehicle experienced the same symptoms, a sudden total loss of power and no start, just a single click and no electrics. I feel that the inspection testing and oil change does not address and/or fix the root cause of these engine failures.

I was travelling on the highway at approximately 72 miles an hour in the left lane trying to pass a vehicle in the right lane. While accelerating my truck was like the brakes were slammed on and all kinds of lights starting flashing. This included the check engine light, low oil pressure light and lane assist lights. The truck shifted into neutral and I could not place back into drive. I swerved and almost lost control of the vehicle and nearly missed colliding with the safety rails on the left of the road and then with the car on the right side. I then pulled onto the shoulder after nearly being rear ended by another vehicle approaching on the left. The vehicle would not react to the gas pedal. I pulled onto the shoulder and turned the vehicle off. Tried to restart but again nothing but mutliple lights and warnings. I checked my app for Chevrolet and it stated that the vehicle needed engine and transmission system service. Variable valve timing system needs serviced. Ingition system needed serviced. The onstar diagnostic alert indicated p0016 was detected. I opened the hood to inspect and the coolant overflow was spewing coolant. I checked the oil level at that point and it was just a little below full. I had taken this vehicle into the dealership two other times stating that the vehicle had stalled before on the highway but not to this degree. The other two times it stalled when accelerating it would allow me to pull over and restart. But both of those times I never had any flashing lights or diagnostic codes. I explained this to the dealership and how unsafe it was. Both of those times almost ended in a vehicle accident with other vehicles around me. The dealership said they could not diagnose any issues unless the truck created a diagnostic code. These issues have been ongoing with these vehicles for a long time and the dealership just did not want to deal with them. I had the vehicle go thru the recall diagnostic tests. It did not fix them.

2022 silverado rst with the l87 engine loss propulsion in traffic of memorial day weekend with approximately 43,800 miles on the vehicle. Has since been fixed by Chevrolet dealership. Also passed their pico test, changed oil viscosity and oil cap still failed after their test.

While driving, the vehicle suddenly displayed “service esc” and “service traction control” warnings. Shortly after, the engine stalled and the vehicle became difficult to restart. Vehicle experienced rough running/misfires and loss of power. Diagnostic trouble codes retrieved included p0300, p0106, p3498, p00ff, and u1962. The issue appears intermittent but creates a serious safety concern due to unexpected stalling while driving. Concerned about possible electrical, engine management, or stability control system failure affecting safe operation of the vehicle. No prior warning before incident.

On may 17th, my 2022 Chevrolet Silverado 1500 (mileage: 38,628) suffered a catastrophic mechanical failure resulting in an immediate and total loss of motive power while traveling at highway speeds on I-465. Diagnostic testing confirmed dtc p129f, identifying a failure of the fuel pump driver control module. The failure occurred while positioned in the fifth lane of a six-lane interstate. This was not a gradual loss of performance; it was an instantaneous shutdown that left the vehicle without engine power or standard steering/braking assistance in high-density, high-speed traffic. This defect placed all six passengers in immediate and imminent peril. To reach the shoulder, we were forced to navigate a dead vehicle across four lanes of active traffic, resulting in multiple near-miss collisions. The danger continued as we were stranded on the narrow shoulder of a major interstate. For our own safety, five passengers had to evacuate the vehicle on foot, crossing a busy two-lane exit ramp to reach a location where an uber could safely retrieve them. I remained with the vehicle until it could be towed to leo Chevrolet. General motors is clearly aware of this defect, as evidenced by recall bulletin #n252516900.

Wife was shopping with our kids. Stated she smelled gas and it continued to get stronger smelling as she drove. Noticed the mile to empty graph was going down really fast. I had her pull over at a safe location and look underneath the truck for anything out of the ordinary. Found gas running out of the engine bay dripping on the hit exhaust and atomiziing. I had her shut the truck off immediately and get herself and kids clear of the truck immediately. Had the vehicle towed to the dealership to have inspection and repairs. No warning lights came on. Dealership says faulty high pressure fuel pump. Caused by wet weather the dealership said it was road tested but it had the same milage as when the vehicle was brought in for the service. Wife picked up the truck from chevy dealership with a very strong oder of gas still in the truck. I'm wife and kids use that vehicle daily. Very concerned.

The defective manufacturer lifters on my 2020 Chevrolet Silverado 1500 went on my truck damaging the lifters, camshaft, oil pump and I'm sure more than that. I know it's an ongoing investigation/lawsuit with general motors, but they need to held accountable and should fix this issue free of charge. Not everyone has $5k-$10k+ to repair their engine due to their negligence. Thank you.

I was driving with trailer attacked coming from [xxx] , in the middle of the overseas highway (a two lane steet) the truck loss power and stalled and would not start. I was only able to move slightly to the side, with half the trailer with boat still sitting in the road. My family was on board and I am alive and an accident didn't happen. I called a tow truck (took an hour to get to me) and charged me $520 for the tow. The tow truck driver said that he had to tow several Chevrolet trucks with the same issue and it was a faulty fuel module. I had a mechanic run a diagnostic and the code p129f commonly indicates a failure of the fuel pump driver control module (fpdm) was the one coming out. I have read many customer experiencing the same issue. And in my case my trucks 3 year warranty expired November 2025 only 6 months ago. Information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

Lifter failure at 50,100 miles- just out of powertrain warrant by 136 days. Failure occured on freeway. After hearing metallic sound service brake system light, traction control and service engine light came on. This occured 5/3/26.

See all problems of the 2021 Chevrolet Silverado 1500 🔎.

The engine in my 2015 chevy siverado 1500 5. 3 afm lost propulsion, began to shudder and stall on the highhway as I was pulling out of my hometown. Speed limit 60 mph. I returned home and the flashing engine light came on before I could get home. Sputtering I pulled into the drive but was concerned about mine and my passengers safety as I turned around on the highway and headed back home! this is the second time my lifters failed, as diagnosed by the repair shop currently diagnosing the issue.

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While driving at highway speed with cruise control engaged, the vehicle experienced a sudden loss of propulsion. The engine began jerking and the vehicle rapidly decelerated from highway speed (50 mph) to 10–15 mph. The transmission appeared to disengage or shift to neutral around 10 mph, and the vehicle was unable to maintain speed, creating a hazardous situation in traffic. The vehicle then shut down and displayed a message to restart the engine along with a check engine light. When attempting to restart, the engine would not turn over properly and produced a loud clicking/struggling noise, similar to a failed or seized engine. The vehicle was towed and is currently awaiting diagnosis at a dealership. This failure occurred without warning and created a serious safety risk due to sudden loss of power while driving.

Vehicle developed engine ticking/tapping noise followed by rough running and misfire condition. Independent repair facility performed engine teardown and found cylinder 4 exhaust camshaft lobe severely worn/damaged. Repair facility stated the exhaust roller follower/lifter needle bearings failed and fell out, causing the roller to seize and come off position, resulting in improper valve operation and cylinder malfunction. Vehicle lost proper engine performance and required major internal engine repair including camshaft, lifters/lash adjusters, and roller followers. Failure appears consistent with gm preliminary information bulletin pip5847b for 2019–2024 Chevrolet silverado/GMC sierra 2. 7l l3b engines describing exhaust roller follower bearing failure and camshaft damage. Concern is that sudden valvetrain failure could result in loss of power, engine failure, or unsafe driving condition.

I am reporting a potential safety defect involving my 2019 Chevrolet Silverado 1500 z71 trail boss (VIN [xxx]), currently at approximately 63,000 miles. My truck suddenly developed a rough idle, engine ticking, and a cylinder 3 misfire. The check engine, traction control, parking brake, and “service esc” warnings appeared. The transmission also began shifting extremely hard, at times feeling as though another vehicle had struck the truck from behind. The oil pressure gauge also stopped functioning. Due to these symptoms, I stopped driving the vehicle. A diagnostic scan produced p0303, p0449, p0498, p0499 and p0500. After replacing a failed cylinder 3 spark plug, the truck initially ran perfectly for approximately 20 minutes before the rough idle and warning lights returned. The vehicle was subsequently diagnosed by a Chevrolet dealership. The dealership determined that the engine suffered a collapsed lifter that damaged the camshaft and other internal engine components. The engine repair estimate is approximately $10,000–$12,000. The dealership has also reported that the transmission is slipping and believes the torque converter/transmission requires approximately another $6,300 in repairs. I am concerned that a lifter/dfm-related failure causing a misfire, rough running and potential loss of engine power could occur while a vehicle is traveling at highway speed and create a significant safety hazard. The severe transmission shifting and subsequent slipping are also concerning because unexpected vehicle behavior during acceleration or while in traffic could increase the risk of a crash. The truck has been regularly maintained and has relatively low mileage for its age. I am requesting that NHTSA review whether similar engine/lifter/dfm and related powertrain failures represent a broader safety defect and whether an investigation or recall is warranted. Information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

I was traveling home one night and the truck shut off while driving and lost all power, loosing all steering, braking power aswell as all my lights while traveling down the road in the dark. . When I went to start it again all I would get was a cranking noise but no firing. After 30 minutes of waiting the truck started again. In which I drove it 3 more miles before it shut down again. After that it would not crank nor start. I then had the vehicle towed to my local Chevrolet dealer, and they had notified me that the engine had failed and locked up. In the process it had also taken out the fpcm (fuel pump control module) aswell as the high pressure fuel pump located on top of the motor. Causing me to have a new motor from gm installed. I had no previous problems or lights before this had happened.

I was driving in a 70mph zone and lost all propulsion. Vehicle said to shift to neutral to start. Pulled to the side of the highway and it would not crank. Had to have the vehicle towed.