2025 GMC Sierra Problems & Complaints

Short answer: The biggest problems with the 2025 GMC Sierra are electrical system issues, engine problems and transmission problems. Electrical system and engine problems are the most common while transmission problems are less common. No recalls have been announced for the 2025 GMC Sierra as of November 2025.

GMC pickup trucks are a popular choice for consumers who need a more capable or high-powered vehicle for towing or cargo carrying.

While most of these trucks will behave ordinarily over their lifetimes, some vehicles with defects make their way into consumer hands and cause issues on the road.

In this article, we have summarized those complaints so that you can be a more informed buyer or current owner. Take a look below for more detailed 2025 GMC Sierra problems!

Common 2025 GMC Sierra Problems

2025 GMC Sierra Electrical System Problems

For the 2025 GMC Sierra, consumers mainly mentioned their infotainment system experiencing glitches. These glitches included warning lights illuminating or failing to illuminate, rearview cameras not working, and audio and radio systems not working.

Infotainment System Glitches 

• Severity: Moderate; failures of the radio/infotainment or rear‑camera system reduce driver information, increasing distraction but not immediate crash risk.
• Manufacturer’s Response: GM released TSB 24‑NA‑261 (Jan 2025) for vehicles equipped with Infotainment system RPO IOK.
• Fix: Dealer will reprogram the radio module with the Y175 software and confirm system stability; if concerns persist, replace the infotainment module and inspect wiring connections.

2025 GMC Sierra Engine Problems

Engine problems in the 2025 GMC Sierra, including stalling, power loss, and oil leaks, can pose serious risks if they occur while driving or go unnoticed. These issues can reduce safety and lead to further mechanical damage if not addressed quickly.

Loss of Engine Power, Stalling

• Severity: High; unexpected power loss or engine stalling while driving can lead to unsafe situations.
• Manufacturer’s Response: GM has not released a recall or TSB for this specific issue in the 2025 GMC Sierra.
• Fix: Dealers should perform full engine diagnostics, inspect sensors/actuators, check software calibration, and if mechanical wear is found, replace or repair the affected engine components.

Oil Leaks

• Severity: Moderate to high depending on leak severity and duration; loss of lubrication can cause engine damage and breakdown.
• Manufacturer’s Response: GM has not released a recall or TSB for this specific issue in the 2025 GMC Sierra.
• Fix: Inspect for leaks around engine gaskets (valve cover, oil pan, timing cover), replace leaking components, and verify oil level and engine health.

2025 GMC Sierra Transmission Problems

Transmission issues in the 2025 GMC Sierra, such as rough shifting or gear slippage, can lead to unsafe movement and reduce driver control. Gear slippage is especially risky if it causes unintended vehicle motion.

Vibrating, Rough Shifting

• Severity: Moderate; while not immediately catastrophic, persistent vibration or rough shifting degrade drivability and may signal deeper transmission issues.
• Manufacturer’s Response: GM released TSB 25‑NA‑091 which covers “shudder/shake/misfire feel between 25‑60 mph” and requires a TCM calibration.
• Fix: Dealer will update the transmission control module to the latest calibration and inspect the transmission for internal wear, mounts, or driveline imbalance.

Vehicle Independently Shifting Gears

• Severity: High; unintended gear changes can cause unexpected vehicle movement, presenting immediate safety risks.
• Manufacturer’s Response: GM has not released a recall or TSB for this specific issue in the 2025 GMC Sierra.
• Fix: Dealer should inspect for shift‑by‑wire system faults, check the transmission control wiring, actuators, and valve body, update software if applicable, and evaluate the vehicle for mechanical replacement where required.

GMC Sierra Owner Complaints

NHTSA Complaint

“The vehicle will lose all interior audio to include stereo, turn signals, and all other audio safety features for several hours at a time. GMC has done three repairs and still no resolution. Lack on audio impacts the safety of the vehicle. Has happened dozens of times and appears to be larger GM issue that is u resolved. Has occurred at least 20 times since I bought the vehicle 10 months ago.”

NHTSA Complaint

“Backup camera is not usable at night, you cannot see anything on the camera unless it is a brightly it area. This causes safety concern for people and property. Dealer confirmed no issues with the camera and that is how it is. Had to add external light to ensure I could see at night.”

NHTSA Complaint

“Truck was in ‘Park’ idling for 20 minutes when it went from Park to ‘Reverse’ on its own. A person sitting in a dump truck saw the backup lights on my truck come on and the truck started backing towards his truck. My truck hit his truck causing damage to my left rear bumper.”

Legal Help for Ongoing Car Problems

The lemon law process provides an important safeguard for consumers who purchase or lease vehicles that turn out to be defective.

These laws ensure that manufacturers stand behind their warranties and that drivers aren’t left with unreliable or unsafe vehicles.

The process begins when a car, truck, or SUV experiences repeated issues that remain unresolved despite multiple repair attempts by an authorized dealer.

If those defects substantially impair the vehicle’s use, safety, or value, the owner may have a valid lemon law claim.

Every repair order, invoice, and service record helps establish a pattern of recurring defects and shows that the manufacturer was given ample opportunity to make things right.

Many states define what qualifies a vehicle as a lemon through specific criteria, such as a minimum number of failed repairs or a set number of days out of service within the warranty period. When those thresholds are met, the consumer can move forward with a formal claim.

The vehicle owner may be entitled to a replacement vehicle, a refund of the purchase price, or a cash settlement.

Because auto manufacturers often have extensive legal resources, working with an experienced lemon law attorney can significantly improve the chances of success.

Vehicle Model	Average Lemon Law Settlement
2025 GMC Sierra	$106,379

*Please note, the figures presented in the chart are approximations based on past case results and should not be interpreted as a prediction or guarantee. Each case is unique and requires personalized legal guidance.

Navigate the Lemon Law with Confidence!

If your vehicle keeps breaking down despite repeated repair attempts, you don’t have to keep living with the frustration.

Lemon laws are designed to protect you, and you may be entitled to a refund, replacement, or cash compensation.

Don’t let the manufacturer delay or dismiss your concerns and let an experienced team of attorneys give you a hand: the Lemon Law Experts are here to help.

Contact our team by calling (877) 885-5366 or by filling out a form on our website.