Safety Score
93
Safe
Recalls
0
Complaints
36
NCAP Stars
—
Recalls (0)
No recalls found for the 2021 Chevrolet Silverado 3500.
Owner Complaints (showing up to 50)
| Date | Component | Crash | Injuries | Summary |
|---|---|---|---|---|
| 2026-02-26 | STRUCTURE:BODY | No | 0 | The tailgate will go up and down when the vehicle is turned off and in park. It will also do this while driving the veh… |
| 2026-02-03 | ELECTRICAL SYSTEM | No | 0 | My 2021 chevy 3500hd diesel had the engine light come on and the service emissions system popped up in the info screen.… |
| 2025-12-22 | FUEL/PROPULSION SYSTEM | No | 0 | Service engine light kept coming on the dash, and the code came back to a faulty DEF heater. My truck had a reduced pow… |
| 2025-11-19 | LATCHES/LOCKS/LINKAGES | No | 0 | The contact owns a 2021 Chevrolet Silverado 3500. The contact stated that the tailgate occasionally opened and closed u… |
| 2025-10-17 | ENGINE | No | 0 | I was driving down the highway at speed limit when the dash lights came on and the truck started jerking went to a mech… |
| 2025-10-06 | POWER TRAIN | No | 0 | The contact owns a 2021 Chevrolet Silverado 3500. The contact stated that while driving approximately 65 MPH, the vehic… |
| 2025-10-01 | ELECTRICAL SYSTEM | No | 0 | Power unlatching tailgate opens unexpectedly (after big rain storm) The exact problem in this recall: Safety Recall N2… |
| 2025-09-16 | LATCHES/LOCKS/LINKAGES | No | 0 | The contact owns a 2021 Chevrolet Silverado 3500. The contact stated that while driving at various speeds, the tailgate… |
| 2025-04-14 | STRUCTURE:BODY | No | 0 | Tailgate opens by itself. This happened 3 times in 2 hours while the vehicle was parked. I tow a 5th-wheel trailer. If … |
| 2025-03-26 | UNKNOWN OR OTHER | No | 0 | Our tailgate would open on its own intermittingly. We haul our fifth wheel camper and this could cause damage to the R… |
| 2025-01-21 | POWER TRAIN | No | 0 | This is regarding 24V797. A software update to "monitor" for transmission valve failure is not a resolution to a proble… |
| 2024-12-15 | LATCHES/LOCKS/LINKAGES | No | 0 | The contact owns a 2021 Chevrolet Silverado 3500. The contact stated that while the vehicle was in park(P), the tailgat… |
| 2024-11-23 | FUEL/PROPULSION SYSTEM | No | 0 | Injector #4 connector harness issue- Known issue on the 6.6L duramax. Driving with my children for Christmas pickup an… |
| 2024-11-23 | ELECTRICAL SYSTEM | No | 0 | Electrical components are failing in the tailgate lock/unlock mechanism. The tailgate goes up and down on its own whil… |
| 2024-11-14 | LATCHES/LOCKS/LINKAGES | No | 0 | The contact owns a 2021 Chevrolet Silverado 3500. The contact stated that while the doors were unlocked, and the vehicl… |
| 2024-10-11 | ENGINE | No | 0 | My 2021 Chevy Silverado 3500 [XXX] Motor began requiring a quart of oil every 3-4 weeks. I took my vehicle to a GM dea… |
| 2024-07-31 | POWER TRAIN | No | 0 | July 20, we were driving the 2021 3500HD to church w/our single axle trailer w/mower on it when we were stopped at a yi… |
| 2024-07-25 | FUEL SYSTEM, DIESEL | No | 0 | The contact owns a 2021 Chevrolet Silverado 3500. The contact stated that while driving at approximately 45 MPH, he not… |
| 2024-07-12 | SERVICE BRAKES | No | 0 | Driving home from work 7/1/2024 approx 5:15PM Smelled burning smell, no noise or dash lights, thought it was another ca… |
| 2024-07-10 | AIR BAGS | No | 0 | Tilt sensors, upper air bags deployed almost causing a catastrophic crash. I did report to gm but I have not received a… |
| 2024-06-07 | POWER TRAIN | No | 0 | While towing my 5th wheel rv trailer, the rear wheels locked up numerous times while at highway speeds(60-70mph). Hope … |
| 2024-06-06 | LATCHES/LOCKS/LINKAGES | No | 0 | The contact owns a 2021 Chevrolet Silverado 3500. The contact stated while the vehicle was parked in the rain at night,… |
| 2024-06-05 | STRUCTURE:BODY | Yes | 0 | The tailgate opened and closes on its own while trailering causing sever binds and damage to the trailer and allowing l… |
| 2024-05-26 | STRUCTURE:BODY | No | 0 | #N232426400-04: Safety Recall - Tailgate May Open Unexpectedly lists RPO code QT5 as the only applicable RPO code for t… |
| 2024-04-08 | ELECTRICAL SYSTEM | No | 0 | Without warning tailgate will drop without being actuated, even while driving. Things could fall out of the truck box i… |
| 2023-09-09 | POWER TRAIN | No | 0 | When I shift the vehicle to park and turn it off, about 90% of the time the instrument panel will display a message tha… |
| 2023-09-01 | AIR BAGS | No | 0 | Bought the truck in 2021. Replaced both outside mirrors during warranty. At about 44000 miles the passenger mirror ma… |
| 2023-06-30 | ELECTRICAL SYSTEM | No | 0 | Automatic tailgate open by itself while vehicle was traveling at 65mph on I64 in Virginia between Charlottesville and W… |
| 2022-06-23 | FUEL/PROPULSION SYSTEM | No | 0 | Check engine light came on followed almost immediately with an Onstar warning to service the engine and transmission wi… |
| 2022-06-12 | ELECTRICAL SYSTEM | No | 0 | Rear sliding window plastic is getting hot and melting |
| 2022-05-28 | FORWARD COLLISION AVOIDANCE: SENSING SYSTEM: RADAR | No | 0 | The contact owns a 2021 Chevrolet Silverado 3500. The contact stated while driving 65 MPH and above, the radar sensors … |
| 2021-11-01 | POWER TRAIN | No | 0 | The contact owns a 2021 Chevrolet Silverado 3500. The contact stated while driving at approximately 45 MPH, the brake p… |
| 2021-10-07 | SERVICE BRAKES | No | 0 | The contact owns a 2021 Chevrolet Silverado 3500. The contact stated that while driving at various speeds and attemptin… |
| 2021-09-26 | POWER TRAIN | No | 0 | Was driving my 3500 (an 8000# truck capable of towing 20k#) and suddenly the vehicle lost power and steering, forcing m… |
| 2021-03-22 | ELECTRICAL SYSTEM | No | 0 | THE NEW GM 2021 TRAILER LIGHTING MODULE AND/OR SYSTEM IS DEFECTIVE. IT FAILS A PRE-CONNECTION TEST WITH TESTER, GIVES "… |
| 2010-10-10 | SERVICE BRAKES | No | 0 | I GOT MY TRUCK IN MAY AND AFTER TWO MONTHS THE BATTERY WENT COMPLETELY DEAD WITHOUT WARNING SO HAD DEALERSHIP TOW IT TO… |