2014 GMC Sierra 1500 electrical problems

Filed Oct 12, 2026 · Electrical · OH

While stopped at at a light it turned green and I hit the gas and wouldn't move until I turned it off then back on again..

Filed Jul 2, 2026 · Electrical, Steering · WY

Truck shut off and would not turn back on. Negative battery cable so hot it burned skin off. Would not start, tried to start clicking sound, radio blipped for a moment.

Filed May 20, 2026 · Electrical · TX

Starter went out and needed replaced. I know there is a recall on other models in the same year and mode;l but mine wasnt listed.

Filed Sep 3, 2025 · Electrical · CA

1. while driving slow or making a right hand turn the vehicle turns itself off 2. periodically the car does not start/no power and does not respond to keyless car lock 3. periodically the dashboard panel lights will not turn off, flash or some will go off but not all All of the above have been a twice repaired GMC recall 17276 and has been occurring since 2020.

Filed Aug 13, 2025 · Electrical · TX

Unknown. Battery goes into protection mode.

Filed Jul 11, 2025 · Electrical, Engine · AL

Truck completely shuts off at any speed going down the highway. Complete loss of power. Have to coast to side of road and restart vehicle.

Filed Jul 10, 2025 · Electrical, Steering · AL

Truck randomly shuts off and steering wheel locks up going down the road

Filed Jun 17, 2025 · Acceleration, Electrical · AL

During a turn in the parking lot my vehicle would not allow me to turn something with traction control came up on the screen. The past few days the car got stuck at 0 rpms while driving and did not feel I had adequate power and other times has stalled.

Filed Apr 30, 2025 · Body, Electrical · IL

I am the original owner of a 2014 GMC Sierra 1500 (VIN: [XXX] ) and began experiencing serious mechanical and electrical issues while the vehicle was still under warranty around 40,000 miles. These included engine RPM fluctuations at idle, vibrations under acceleration above 65 MPH, and intermittent misfiring — all symptoms that are now believed to be early indicators of defective lifters or valve train components. I also experienced repeated electrical failures including a rear turn signal malfunction due to melting/corroded taillight sockets, a thumping rear-end noise, differential knocking, and body panel issues (hood lifting at highway speeds). These were reported multiple times to authorized GMC dealers (Mike Haggerty GMC and Rizza GMC), but I was told there was no issue or no repairs were made. GM refused to assist when I escalated the issue in 2017 via a detailed email, despite all problems occurring within the warranty period. I’m now dealing with a persistent ticking sound from the engine and loss of power, which matches widespread reports of lifter failure in GM’s 5.3L/6.2L V8 engines. These failures pose both a mechanical and safety risk due to stalling, misfiring, and potential electrical fires (in my case, from a failed taillight socket). A class action lawsuit ([XXX], et al. v. General Motors LLC) has been filed regarding these known defects, yet GM has not issued a recall. I’m filing this complaint to add my case to the record and urge the federal safety agency to investigate these issues. I have full documentation of the original complaint and am willing to provide it upon request. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed Nov 9, 2024 · Electrical · VT · fire

While driving, my wife and I heard a bang, and when she went to turn her head, she noticed that the vehicle was smoking from rear defroster, and the back windshield had smashed. we immediately pulled over and the vehicle did not stop smoking until we turned off the rear defroster. This put our safety at risk as the entire vehicle could’ve caught fire. When we went to check to see if it had been recalled, Our vehicle did not have any open recalls But we found that there were many other GMC Sierra trucks with this issue. We contacted our local dealer who confirmed that he had seen this happen to other GMC Sierra trucks. There was no warning light Or other indicator that this was going to happen. Unfortunately, Our vehicle was not included under recall N192265660 and we strongly recommend that another investigation is performed to include all 2014 GMC Sierra trucks. I have a video showing our vehicle smoking with a smashed, sliding Back windshield.