Electrical System Problems of Chevrolet Silverado 1500 - part 1

While driving at a low speed power steering failed. This happened on two separate occasions once while turning into a parking lot the other while doing a u turn. On both occasions I was almost in a crash. The other vehicle had a slam on brakes to avoid my truck. The message on the dashboard was “service power steering drive with care”. The steering wheel is yanked out of my hands each time it loses power. After the ignition is turned off for five minutes the issue is resolved upon restarting the vehicle.

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While driving approximately 30–40 mph through an uphill left-hand curve, the steering suddenly became extremely stiff and very difficult to turn. I do not recall seeing any warning before I noticed the steering becoming stiff. While trying to control the vehicle, I noticed “service power steering” and “service esc” warnings approximately 1–2 seconds later. I cannot say exactly when the warnings first appeared because everything happened very quickly and I was focused on trying to control the vehicle. The vehicle left the roadway onto an adjacent lawn and traveled along a steep hillside beside the road. The driver-side mirror struck a curve sign and broke before the vehicle returned to the roadway. The vehicle also bounced while traveling off the road, and there is additional visible body damage. I do not yet know whether there is hidden steering, suspension, underbody, or other damage. A passenger was in the vehicle and witnessed the incident. Shortly afterward, while taking the passenger home, the steering again became extremely stiff and I again noticed the service power steering and service esc warnings. Because the steering problem occurred twice, I parked the vehicle and have not driven it since because I do not believe it is safe to operate. The vehicle has not yet been professionally diagnosed or repaired and remains available for inspection. I have opened a case with the manufacturer. There were no known steering problems before this incident. The vehicle had an alignment performed earlier the same day.

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Rear window defrost caught fire. No noticeable damage to vehicle. On my twenty fifteen chevy silverado. Smoke filled the cab of the vehicle. There were no warning or messages to alert to this happening. I reported the dangerous incident to a dealer who told me to contact corporate. He said this is an issue but it was called a customer satisfaction program n192265660 rear window thermal event which yes it was my year but the safety issue which I was never aware of expired. He then told me to report it to nhsta. Gov. This is very dangerous and certainly should be a recall to befixed. Luckily I had started the vehicle in my driveway and was getting into it when it happened. It could have happened while I was driving. That was a known dangerous issue this should still be fixed without an expiration date. It is still dangerous.

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Telmatic quit working gps the onstar sos feature.

Chafed or broken wiring harness (very common) — this is the most frequent cause on newer gm vehicles. The factory wiring harness to the mass airflow (maf) sensor is too short or secured with an overly tight zip tie. Engine movement causes the lin bus wire to chafe and break internally near the connector.

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The contact owns a 2024 Chevrolet Silverado 1500. The contact stated that while driving 10 mph and pulling into a parking lot, the vehicle unexpectedly lost motive power. The message “shift to neutral and press the start button” was displayed. The contact was concerned that the failure was a safety hazard and could pose a safety risk to the contact and others. The failure mileage was approximately 54,265.

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While driving in a parking lot. Barely applying throttle to move straight forward not turning or driving on a rough road the truck completely shut off all screens went blank and I wasn't able to accelerate. I was able to restart the truck, shift into drive and continue but took a few seconds to realize the issue and properly restart the engine. Thankfully this occurred while in a parking lot without anyone behind me but this is a real concern for me now driving on streets/highways with other vehicles around. This truck was purchased brand new has never been off road and has just over 3,100 miles. There were no warning lights before or after this incident.

The contact owns a 2026 Chevrolet Silverado 1500. The contact stated that after reversing at 3 mph and then shifting to drive, the vehicle stalled. The parking brake independently activated with the message “press to start” displayed. The failure was a recurring failure. The vehicle was restarted after releasing the parking brake and pressing the push-to-start button. The dealer was contacted but was unable to duplicate the failure or determine the cause of the failure. The failure mileage was approximately 2,600.

Intermittent issues seemingly related to power or ground problems. At idle, battery voltage drops down from 14-15v to <= 12v (as indicated on the voltmeter on the dash) while turning the steering wheel. "service stabilitrack" message shows up on the screen, and the steering becomes very difficult. Last night this issue happened and the truck completely lost power including interior lights, headlights, radio, accessory power, and the engine even turned completely off. This happened in the middle of the street as I came to a stop in front of my house and was going to reverse into my driveway. Cycling the key was enough to restart the truck and the power came back on. When this first happened to me almost two years ago, I brought the truck in for transmission concerns (resulting in a transmission replacement) to my local dealer, and I explained what had happened and they could not reproduce the concern and said everything checked out fine. I've had strange electrical problems pop up every now and then including this stabilitrack warning message and a trailer brake warning when I am not even hauling a trailer, but this is a major safety concern. My wife and daughter were in the truck with me when it happened, and if the power ever shut off like this on the freeway, major road, or even off-roading, it would be disasterous.

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No warning lamps or chimes. Truck shut down as I was pulling into my garage. Shifted to neutral on its own and a message on the dash said to put it in park and restart the engine. This event happened on 9/15/26. The truck has 1400 miles on the odometer.

The specific cause has not been identified. On xxx6, my 2025 Chevrolet Silverado 1500 custom lt trail boss unexpectedly rolled away while parked and unoccupied, striking another parked vehicle. The truck remains at modern Chevrolet and is available for inspection. Gm/esis opened a safety and product liability investigation and is arranging inspection/data retrieval. I parked at walmart in [xxx], shut the truck off, exited, locked it, and walked away. Shortly afterward, I heard a sound resembling the key-fob-left-inside warning. My key fob was in my pocket, so I returned and saw the truck moving with no driver. Another person and I tried to stop it. I entered through the driver’s door and pressed start/stop several times, but it would not start while moving. It continued moving and struck another parked vehicle. Vehicle dropped off on xxx and modern Chevrolet could not reproduce the incident or identify the cause. The service advisor stated it “came out of gear but don’t know why” and escalated it to gm. Gm/esis plans to retrieve sdm/airbag data, and I requested any tech ii/mdi scan data. No warning lights, messages, or chimes were observed during the incident. I did not see/hear “shift to park,” and I was able to lock the truck with the key fob outside. In a later controlled test, I left the truck in drive and shut it off. It displayed “shift to park” and sounded a warning chime. Opening the driver’s door also produced a key-fob-left-inside-type alert, which did not occur on xxx. The truck did not automatically shift to park or engage the electronic parking brake and slight movement was felt during the test. No further testing occurred by me after xxx. I have also experienced infotainment freezing after software updates and random electronic parking brake application when shutting off, and remains engaged after restart. The truck received an oil change/tire rotation at modern Chevrolet on xxx. Cause still remains unknown. Information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

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The contact owns a 2026 Chevrolet Silverado 1500. The contact stated that while driving 70 mph, the vehicle burst into flames. When the police and emergency services arrived, the vehicle was fully engulfed in flames. The contact stated that an oil change was performed prior to the failure. The fire department extinguished the fire. A police report was filed. The contact associated the failure with gm service update: n262568830 (potential oil filter leak). The customer service assistance at the manufacturer was notified of the failure and opened a case. The failure mileage was approximately 11,000.

This truck and hundreds, if not thousands of others has many issues with the electronic shifter. Not only do they frequently fail, but Chevrolet does not have any parts available to the dealerships for weeks. These duramax 3. 0 diesel engines are also a huge problem with the emission system and def. They constantly fail and we are spending thousands to repair. My truck is stuck at a dealership in [xxx]. I had to rent a vehicle to drive back home to [xxx]. The dealer has no idea how long it will take to get a shifter from chevy. Is there any help available. Why aren't these shifters under a major recall? I am literally stranded after paying $65,000 for a truck! information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

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Got my truck back yesterday from in shop for 2 weeks from being repaired. Got to red light just stopped my engine shuts off. Dash shows engine/transmission problems. Exact same thing happened two weeks ago. Had to get towed into dealer again this am.

What component or system failed or malfunctioned, and is it available for inspection upon request? the a/c condenser and the vehicle battery failed. The failed components are available for inspection upon request. How was your safety or the safety of others put at risk? the a/c failure causes the driver's side to blow warm air, creating severe window fogging and reducing visibility in extreme weather, while the electrical/battery failure compromises vehicle operation and safety features. Has the problem been reproduced or confirmed by a dealer or independent service center? the a/c issue matches general motors technical service bulletin pit5767a, caused by an internally bypassing condenser due to a mispositioned block-off plate. Has the vehicle or component been inspected by the manufacturer, police, insurance representatives or others? the vehicle has not yet been officially inspected by a manufacturer representative, but the defect aligns with known gm manufacturing specifications under bulletin pit5767a. Were there any warning lamps, messages or other symptoms of the problem prior to the failure, and when did they first appear? symptoms appeared suddenly with the air conditioning losing performance (driver's side blowing significantly warmer than the passenger side) alongside concurrent battery and electrical system failures.

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On September 10, 2026, while traveling approximately 60+ mph in the passing lane, my 2018 Chevrolet Silverado 1500 suddenly lost normal acceleration and entered reduced engine power mode. Vehicle speed dropped to approximately 40 mph, and pressing the accelerator would not provide normal power. This created a safety concern while traveling at highway speed. On September 11, onstar on-demand diagnostics documented ecm code p2138 (accelerator pedal position sensor 1-2 correlation) and abs code u0422. The tcm reported no error codes. The check-engine light later turned off, indicating the problem is intermittent. Gm technical service bulletin 07-06-04-019f addresses intermittent p2138 with reduced engine power and possible water intrusion/corrosion affecting the accelerator pedal position circuit. After removing the driver’s kick panel, we observed evidence of previous moisture/rust in the area, but the exact cause has not yet been diagnosed. The vehicle is scheduled for diagnosis by a Chevrolet dealer. I am reporting this because the sudden loss of acceleration at highway speed created a safety hazard and to document the incident for potential defect-trend investigation.

The contact owns a 2026 Chevrolet Silverado 1500. While driving at an undisclosed speed, several brake warning lights illuminated on the instrument panel. The contact attempted to depress the brake pedal, and the brakes failed to respond as needed. The contact pumped the brake pedal continuously to bring the vehicle to a stop. The vehicle was then driven in limp mode. The vehicle was taken to a dealer and was diagnosed with a brake control module failure, which was caused by an incorrect software version that had crashed the module. The manufacturer was notified of the failure. The failure mileage was 4,300.

Traveling on interstate highway at 70 mph when the truck engine went to idle and transmission tried to go into park. The dash just flashes "service transmission" and and other warnings. Engine still runs but can't shift out of park. Shifter is not responding to move the truck. Engine can't come off idle. Turn off engine. Power button will turn power on or off but won't crank engine. 4 ways flash for awhile with dash flashing then everything go blank. All electric power is lost for awhile and then dash starts flashing and 4 ways start flashing for awhile. This cycle keeps repeating. Truck has to be loaded on a truck to tow away. This is the 3rd time is has done this problem but at lower speeds before. Dealer can't find the problem yet.

V8component affected: electrical system / power train (transmission) / engine cooling & wiringdescription of the safety defect and incident:while operating the vehicle, severe electrical degradation occurred due to a catastrophic failure of the factory body-to-chassis grounding system. Upon professional inspection by a certified mechanic, it was discovered that the primary ground wires had suffered extreme thermal degradation, with the mechanic stating that the wiring components "almost melted in his hands" upon physical touch. Because the vehicle's manufacturing-defective ground strap severely corroded and failed, the high-amperage electrical current redirected itself along an unintended path of least resistance: directly through the transmission shifting cables and internal wiring harnesses. This extreme electrical bypass caused extensive thermal damage, melted critical electrical insulation, and permanently fried the transmission control module (tcm) and internal transmission components, causing total mechanical failure. Why this is a critical safety hazard:fire & thermal risk: the failure created an active thermal event under the hood. Electrical current reaching temperatures high enough to melt heavy-duty wiring harnesses poses an immediate vehicle fire risk while operating or parked. Sudden loss of propulsion: the electrical short directly compromises transmission communication, risking an uncommanded shift into neutral or total loss of motive power while driving at highway speeds, creating a severe crash hazard. Manufacturer action / request for investigation:general motors recently issued customer satisfaction program #n252515590 specifically to address this exact "body-to-chassis ground strap corrosion" defect on 2019–2024 silverados.

The stereo/infotainment system in my truck attempted to do an over the air update at some point and it failed. Now it is stuck on a screen telling me that I have to take it to a dealership to get it fixed. I did so and there saying that I need a whole new stereo. Just wondering how this isn’t covered by Chevrolet when it’s such a known problem with these stereos. Also while all this is going on and the stereo is stuck on this screen it doesn’t allow any of the infotainment lights to be dimmed and while driving at night this is very dangerous to the driver and others as you cannot see as well with the infotainment system lights brightly shining in the drivers face while driving.

Rear axle locks up and transmission goes into limp mode , this happens when slow speed under acceleration, this happens almost any time in traffic , at stop light , acceleration to freeway. A safety issue, shows a p0700 code and p2729 code , engine service code light goes on , t/c and skid lights. Also happen at hard brakes in traffic lights or fast slow downs.

Rear windows water leak. May caue electrical issues and mold in the cab.

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.

The contact owns a 2025 Chevrolet Silverado 1500. The contact stated that while driving 45 mph, the vehicle lost automotive power. The vehicle was restarted within seconds and the message "push to start" was displayed. The vehicle was taken to the dealer to be diagnosed, and the contact was informed that the failure was not duplicated. The manufacturer was notified of the failure. The failure mileage was 30,000.

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.

I applied brake and pedal went straight to floor without any stopping. I had to steer into a ditch to avoid a collision resulting in more damage to steering system, frame, windshield and body. This was complete brake system failure and yes is available for inspection. I was in a very rural area at time and was able to avoid a collision however, if I had been in city or on highway it could have easily resulted in injury or fatalities. The problem is currently under federal investigation and has been widely reported as a serious problem which may soon result in widespread recall. The vehicle has not been inspected yet by dealership or anywhere else as it just happened 18 hours ago. There were no warning lights or chimes before the incident when pedal went to the floor. After incident dashboard lit up with warning lights including, brake, abs, traction control, power steering, collision system, engine light, steering column and others. Truck speed limited to 43 mph. And pedal still goes to the floor without applying brakes.

Twice under 3200 miles while pulling into driveway on an incline the vehicle shifted to neutral then turned off and began to roll backwards down my driveway. No codes or cel came on the display read press start to restart engine so I did that and it started and ran normally until it happened again while pulling into driveway. I took vehicle to my local chevy dealer they pulled history codes and saw 8 communication error codes with various areas of vehicle, checked battery and charging, test drove it and said they found nothing wrong with vehicle. This is a safety issue and should be investigated further, very disappointing on a brand new vehicle only 3 months old.

Multiple instances of engine shutting off while driving and switches to "park". Most recently the truck suddenly lost power, shut off, stopped immediately, went into park, jerked extremely hard, and displayed the message “service transmission. ”.

The contact owns a 2020 Chevrolet Silverado 1500. The contact stated that the infotainment center intermittently went black, and there was water leaking into the vehicle through the top and lower center of the front windshield and the rear windshield. The vehicle was taken to a dealer, where the rear windshield was replaced without a diagnostic being performed; however, the failures persisted. Additionally, the side view mirrors intermittently failed to unfold when starting the vehicle. The contact stated that while driving approximately 40 mph, white smoke emitted from the exhaust, the vehicle hesitated, and it lost power. The check engine warning light illuminated, along with "service electronic stability control", "trailer brake system", "steering assist reduced", "service brake assist", and "brake system failure" messages, and the vehicle failed to exceed 40 mph. The vehicle was towed to a second dealer, arcadia Chevrolet Buick (210 s brevard Ave, arcadia, FL 34266), where it was diagnosed that the lifter and torque converter had failed. The lifter and torque converter were replaced, and the system was flushed. Approximately 800 miles later, the engine failed again. The vehicle was towed to an independent mechanic, who diagnosed that the torque converter and transmission had fractured. The torque converter and transmission were replaced; however, the warning lights and messages illuminated again, and the vehicle continued to hesitate when driven over 42 mph. After being parked for a few days, the warning lights were no longer illuminated and the mirrors opened, but the engine hesitation persisted. The vehicle was not further diagnosed or repaired. The manufacturer was notified of the failure. The failure mileage was approximately 10,000.

While stopped at a highway red light, the vehicle jolted forward and numerous dash lights came on, including messages saying “brake system failure, service esc, service trailer brake, service parking brake, engine power reduced, power steering reduced. ” this is the first time any of these messages have ever appeared. This made the vehicle incredibly difficult to steer and the braking ability was almost non-existent. Had this happened one minute earlier or later, a multi-vehicle and potentially fatal accident would likely have occurred. Vehicle was towed to a dealer who confirmed the error messages and severely reduced performance. To me, this seems consistent with gm service bulletins pit5730 and 20-na-073. The dealer, however, is quoting me $3,700 to repair the master cylinder and electronic control braking module. Whatever the case, this absolutely needs to be upgraded to a recall before this happens to somebody at the wrong time.

The contact owns a 2022 Chevrolet Silverado 1500. The contact stated that while driving approximately 45 mph, the vehicle lost automotive power. The message "shift to neutral and restart" was displayed. The contact pulled over to the shoulder of the roadway and restarted the vehicle; however, the failure progressed. The vehicle was towed to a local dealer and remained at the dealer for additional diagnostic tests. The vehicle was not repaired. The contact stated that prior to the failure, while hauling a trailer, the message "reduced power" was momentarily displayed. The manufacturer was made aware of the failure. The failure mileage was approximately 51,000.

The contact owns a 2026 Chevrolet Silverado 1500. The contact stated that while driving 10 mph, the message “push start and shift to neutral to continue driving” was displayed. The dealer was contacted by phone and made aware of the failure. The vehicle was taken to the dealer; however, the failure was not duplicated. The failure mileage was approximately 11,000.

Components: rear vision camera display, front camera module/lane keep assist, and the center infotainment/navigation screen. The vehicle is currently with the dealership. Failures: the rear camera image intermittently distorts into a severe fisheye view, so I cannot judge distance or what is behind the truck when backing. Lane keep assist intermittently will not activate. The center screen freezes, becomes unresponsive, makes phantom inputs, overheats, goes black, and reboots on its own, cutting off navigation while driving. Safety risk: a distorted backup camera creates a risk of striking pedestrians, children, or objects when reversing a full-size pickup. Losing lane keep assist removes a driver-assistance safety function. The screen shutting off during active navigation has caused me to lose directions while driving in unfamiliar areas, which is distracting and has led me to get lost. Dealer confirmation: reported to [xxx] at milton Chevrolet ([xxx]) the day after delivery at 30 miles. Repair order #xxx(xxx) confirmed the lane assist failure and found dtcs u3000 and u0131 stored in the front camera module. The dealer cleared the codes and moved a toll transponder; no part was replaced. The touchscreen issue was not duplicated during a 10-minute test. The camera and screen failures continued, and I recorded multiple videos of them. Manufacturer: gm reviewed my repurchase request under case #xxx and denied it on xxx. The vehicle has not been inspected by gm, and the defects remain unrepaired. Warning signs: symptoms began immediately after delivery on xxx. No specific warning lamp was observed; the lane assist button light failed to illuminate when pressed. Current mileage is approximately 1,200. Information redacted pursuant to the freedom of information act (foia), 5 u. S. C. 552(b)(6).

I went to the store and my brakes were working as normal. When I started my truck to leave I had a hard pedal and there we several warnings on the dash. One said to get service and the other said to limit speed to 43 mph. I had almost no braking power. Fortunately, I was close to home and the speed limit was 30 mph all the way home. Once I arrived home I cleared the code with my odbii scanner and the brakes worked as expected. If I was towing my boat this could have been a bad situation resulting in an accident. I haven't had the same issue in several days however this has to be a huge liability for gm. I'm sure that this is a known failure mode for gm.

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!!!.