CarRecallWatchThe 2018 GMC Sierra 3500 has 6 safety recalls on file with NHTSA.
Owners have filed 14 complaints with NHTSA.
The most-reported problem area is Service Brakes (6 reports).
2018 GMC Sierra 3500 recalls
Side Curtain Airbag Inflator May Rupture or Detach
The side roof-rail curtain airbag inflator on certain trucks may have an end cap that detaches, or the inflator casing may rupture.
Rear diesel tank can collapse, causing engine stalls
On certain 2017-2018 Chevrolet Silverado and GMC Sierra 2500 and 3500 trucks equipped with a dual fuel tank option, the rear fuel tank may collapse.
Engine block heater cord can short and cause fire
Certain 2017-2018 Chevrolet Silverado and GMC Sierra 2500 and 3500 trucks with the optional engine-block heater cord may develop an electrical short circuit in the heater cable or in the terminals that connect the cable to the block heater.
Engine block heater cord can short and cause fire
The engine block heater cord, or the terminals connecting it to the engine block heater, may short circuit and fail.
Fuel Tank Can Leak and Raise Fire Risk
On certain 2016-2018 Chevrolet Silverado 3500 and GMC Sierra 3500 trucks with gasoline engines and dual fuel tanks, the fuel-level sensor in the front tank can stick in a low-level position.
Front Seat Belts May Not Work as Intended in a Crash
Certain front seat belt retractors were built with the wrong torsion bar, so the belts may not perform as designed during a crash.
Most common 2018 GMC Sierra 3500 problems
Problem areas named in the 14 complaints owners filed with NHTSA.
| Problem area | Reports |
|---|---|
| Service Brakes | 6 |
| Steering | 3 |
| Exterior Lighting | 2 |
| Electrical System | 2 |
| Engine | 1 |
| Electronic Stability Control (Esc) | 1 |
| Power Train | 1 |
| Visibility/Wiper | 1 |
| Visibility | 1 |
| Forward Collision Avoidance | 1 |
What owners report
The contact owns a 2018 Gmc Sierra 3500. The contact stated while operating the vehicle at an undisclosed speed the vehicle suddenly shutoff, the vehicle was coasted to side of the road. The contact referenced NHTSA Campaign Number: 21V739000 (FUEL SYSTEM, GASOLINE) however, the VIN was not included in the recall repair. The vehicle was towed to a dealer where it was diagnosed to be the fuel control module. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was 177,000.
Driving on the freeway going approx 70 MPH and the ABS warning light, and Stabilitrak warning light suddenly turned on. Iâm sure you can imagine how panicked I was going that fast on the freeway and having my brake warnings suddenly turn on. Especially with my entire family in the vehicle with me at the time. Could feel a difference when I was attempting to brake and exit the freeway. Had to apply tons of pressure to get the brake pedal to engage. The cruise control would no longer work, and the trailer brake monitoring system also began flashing. Truck has been to 2 GMC dealerships the ABS module was replaced made it approximately 2 miles and it came back on. Truck is currently wai
The contact owns a 2018 GMC Sierra 3500. The contact stated while driving at various speeds, several unknown warning lights illuminated on the instrument panel. The contact pulled over to the shoulder of the roadway to restart the vehicle. After the vehicle was restarted, the vehicle hesitated to stop while depressing the brake pedal. The local dealer was contacted, but the vehicle was not diagnosed or repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 53,800.
The contact owns 2018 GMC Sierra 3500. The contacted stated that while the vehicle was parked in the driveway, the vehicle started and the defrost system was activated and the contact's daughter entered the vehicle and saw that it was smoking and informed the contact. When the contact arrived at the vehicle, the rear window had shattered. No warning light was illuminated. The vehicle was not taken to the dealer and was not repaired. The contact referenced GMC Customer Satisfaction Program Number: N192220470 (Faulty Rear Defrost Circuit) as a possible solution however, the VIN was not included in the recall. The manufacturer was not made aware of the failure. The approximate failure mileage w
17Jan2023. 2018 GMC Sierra 3500HD Denali. Northbound on I37 near Three Rivers, TX. Speed approx 75 mph. Temp approx 55F. Wx conditions, 1/2 mile vis in fog. Traffic, zero vehicles ahead, one vehicle approx 100 yards behind. Time approx 0815. No overpasses encountered. Cruise control engaged. My son and I were talking when we both heard a sound us above resembling ripping cloth lasting approx 1/2 second immediately followed by a loud explosion followed by the sound of fragmented clinking. The rush of wind noise followed as we could hear pieces of glass continue be taken by the slipstream. I was able to immediately deduce that the sunroof had catastrophically failed. I never use the
2018 GMC Sierra 3500 questions
Does the 2018 GMC Sierra 3500 have any recalls?
Yes. NHTSA lists 6 safety recalls for the 2018 GMC Sierra 3500: Side Curtain Airbag Inflator May Rupture or Detach; Rear diesel tank can collapse, causing engine stalls; Engine block heater cord can short and cause fire; Engine block heater cord can short and cause fire; Fuel Tank Can Leak and Raise Fire Risk. Recall repairs are normally free at an authorized dealer.
What are the most common problems with the 2018 GMC Sierra 3500?
Based on 14 owner complaints filed with NHTSA, the most-reported problem areas are Service Brakes (6), Steering (3), Exterior Lighting (2).
How do I check if a recall on my 2018 GMC Sierra 3500 has been fixed?
Enter your 17-character VIN in our VIN recall check. It shows open recalls that have not been repaired on your specific vehicle. Recall repairs are normally free at an authorized dealer.