2021 Chevrolet SILVERADO 3500: complaints, problems and recalls

I GOT MY TRUCK IN MAY AND AFTER TWO MONTHS THE BATTERY WENT COMPLETELY DEAD WITHOUT WARNING SO HAD DEALERSHIP TOW IT TO SERVICE KEPT TWO WEEKS SAID IT WAS BATTERY. NOW SAME THING HAPPENED AGAIN. CALLED ROADSIDE ASSISTANCE FROM PHONE BECAUSE ON STAR WOULDN'T EVEN WORK. THEY COME OUT AND JUMPED IT. THE JUMP STARTED TRUCK BUT NOW PARKING BREAK WON'T RELEASE AND I HAVE A SERVICE LIGHT ISSUE,, STILL WAITING FOR CHEVY TO OPEN TO HAVE IT TOWED AGAIN. IS ANYONE ELSE DEALING WITH PROBLEMS? I WAS TOLD BY THE DEALER LAST TIME THAT THE ROCKY RIDGE ADDITION…

Owner-reported narrative. 1,000 miles reported. Look up ODI 11363792 at NHTSA ↗

THE NEW GM 2021 TRAILER LIGHTING MODULE AND/OR SYSTEM IS DEFECTIVE. IT FAILS A PRE-CONNECTION TEST WITH TESTER, GIVES "CHECK TRAILER WIRING" WARNING ON DASH WITHOUT A TRAILER CONNECTED AND TURNS OFF ANY TRAILER LIGHTING CONNECTED WITHOUT WARNING ON THE ROAD, WITHOUT BLOWING A FUSE. THIS PROBLEM IS MUCH LIKE THE TSB REPORT #20-NA-198 FOR EARLIER MODELS. THIS ISSUE WAS ADDRESSED BY THE DEALER BY REPLACING THE MODULE, BUT THE PROBLEM HAS RE-OCCURRED WHILE ON THE ROAD CAUSING A ROAD SAFETY ISSUE (NO TRAILER LIGHTING), SOME TIMES WITHOUT WARNING. TH…

Owner-reported narrative. 1,914 miles reported. Look up ODI 11404449 at NHTSA ↗

Was driving my 3500 (an 8000# truck capable of towing 20k#) and suddenly the vehicle lost power and steering, forcing me to the shoulder of a curvy mountain road, going downhill. Truck then started blinking lights and telling me to restart. upon restart, the truck would not engage the transmission. Truck was in drive but the motor was just rev'ing. I turned truck off and then back on and it seemed to return to normal. Am not comfortable driving truck at this time. GM has been notified of the issue, and, has not diagnosed an issue, as of this wr…

Owner-reported narrative. Look up ODI 11434428 at NHTSA ↗

Check engine light came on followed almost immediately with an Onstar warning to service the engine and transmission within 7 days. Took truck to dealer. They diagnosed problem was fuel system contamination. Hole was found on the inner mesh liner of the fuel filter which allowed water and a sludge like material to get into the fuel system.

Owner-reported narrative. Look up ODI 11472736 at NHTSA ↗

Rear sliding window plastic is getting hot and melting

Owner-reported narrative. Look up ODI 11505842 at NHTSA ↗

The contact owns a 2021 Chevrolet Silverado 3500. The contact stated while driving 65 MPH and above, the radar sensors failed to function intermittently. There was no warning light illuminated. The vehicle was taken to the dealer to be diagnosed. The dealer found no cause for the failure. The contact was informed to replace the sensors. The manufacturer was notified of the failure, but no assistance was provided. The vehicle was not repaired. The failure mileage was approximately 7,000.

Owner-reported narrative. 7,000 miles reported. Look up ODI 11509544 at NHTSA ↗

Automatic tailgate open by itself while vehicle was traveling at 65mph on I64 in Virginia between Charlottesville and Waynesboro. And when we stopped the tailgate reclosed by itself. But we lost our load in bed of truck. State police was called but no report was made because load did not cause accident. The driver heard a warning sound and display said tailgate open while vehicle was moving at 65 mph.

Owner-reported narrative. Look up ODI 11529880 at NHTSA ↗

Bought the truck in 2021. Replaced both outside mirrors during warranty. At about 44000 miles the passenger mirror malfunctioned again. The mirror resets to downward position and when you restart vehicle you need to readjust mirror each time. This is very dangerous especially while pulling the 5th wheel. Received a warning lite for a safety restraint failure. Took the truck to the dealer and was told the passenger side air bag was defective and it was a $1700 repair! Defective at 44000 miles? Are air bags only supposed to last such a …

Owner-reported narrative. Look up ODI 11542477 at NHTSA ↗

Reported: 2020-12-17 (December 17, 2020)

General Motors, LLC (GM) is recalling certain 2019-2021 Chevrolet Silverado 1500 and GMC Sierra 1500, 2021 Chevrolet Suburban and Tahoe and GMC Yukon XL and 2020-2021 Chevrolet Silverado 2500 and 3500 and GMC Sierra 2500 and 3500 vehicles. The seat belt brackets may not be secured to the seat frame in the front-row center seating position.

Consequence: If a seat-belt bracket is not secured, the seat belt may not properly restrain an occupant in the front-row center seat position, increasing the risk of injury in a crash.

Remedy: GM will notify owners, and dealers will inspect left-side and right-side front-row center seat-belt bracket attachments and reassemble it correctly as necessary, free of charge. The recall began January 26, 2021. Owners may contact GMC customer service at 1-800-462-8782, Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N202314670.

Reported: 2020-12-23 (December 23, 2020)

General Motors, LLC (GM) is recalling certain 2020 Chevrolet Bolt EV and 2021 GMC Canyon and Sierra 1500, 2500 and 3500, Yukon, Yukon XL, Cadillac Escalade and Escalade ESV and Chevrolet Blazer, Camaro, Colorado, Equinox, Silverado 1500, 2500 and 3500, Suburban and Tahoe vehicles. Incorrect bolts may have been used at one or more fastening locations to secure the seat belts to the vehicle. If an incorrect bolt was used, the seat belt may not be properly attached to the vehicle.

Consequence: If a seat belt assembly is not properly attached to the vehicle, the seat belt may not properly restrain an occupant in the event of a crash, increasing the risk of injury.

Remedy: GM will notify owners, and dealers will replace the suspect bolts, free of charge. The recall began January 29, 2021. Owners may contact GMC customer service at 1-800-462-8785, Cadillac customer service at 1-800-458-8006, or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N202322230.

Reported: 2021-09-29 (September 29, 2021)

General Motors, LLC (GM) is recalling certain 2021-2022 Chevrolet Silverado 2500, Silverado 3500, GMC Sierra 2500, and Sierra 3500 vehicles with electronic brake control modules (EBCM) replaced during vehicle assembly. The bolts that attach the brake pressure modulator valve (BPMV) assembly may not be properly tightened, which could fail to seal the two sub-assemblies and allow water intrusion.

Consequence: Water in the BPMV may cause an electrical short circuit and increase the risk of fire.

Remedy: Owners are advised to park outside and away from other structures until the recall repair is completed. Dealers will replace the BPMV assembly, free of charge. Owner notification letters were mailed on October 20, 2021. Owners may contact Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-800-462-8782. GM's number for this recall is N212349181.

Reported: 2024-02-01 (February 1, 2024)

General Motors, LLC (GM) is recalling certain 2020-2024 Chevrolet Silverado 2500, 3500, GMC Sierra 2500 and 3500 vehicles equipped with power-unlatching tailgates. The tailgate's electronic gate-release switch may short circuit due to water intrusion, which can result in the tailgate inadvertently unlatching while the vehicle is in park.

Consequence: An unlatched tailgate may open while driving and result in a loss of unsecured cargo, creating a road hazard and increasing the risk of a crash.

Remedy: Owners are advised to check that the tailgate is closed and latched before driving. Dealers will replace the exterior touchpad switch assemblies, free of charge. Owner notification letters were mailed May 17, 2024. Owners may contact Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-800-462-8782. GM's number for this recall is N232426400.

Reported: 2024-10-24 (October 24, 2024)

General Motors, LLC (GM) is recalling certain 2020-2022 Chevrolet Silverado 1500, 2500, 3500, GMC Sierra 1500, 2500, 3500, 2021 Cadillac Escalade, Escalade ESV, Chevrolet Tahoe, Suburban, GMC Yukon, and Yukon XL vehicles equipped with diesel engines. The transmission control valve may fail and cause the rear wheels to lock-up.

Consequence: Rear wheel lock-up can increase the risk of a crash.

Remedy: Dealers will install new transmission control module software, free of charge. GM will provide a special coverage program to cover the repair of transmissions that are identified by the remedy software as containing a defective control valve. Owner notification letters were mailed December 12, 2024. Owners may contact GM customer service at 1-888-988-7267, Cadillac customer service at 1-800-458-8006, GMC customer service at GMC 1-800-462-8782 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N242454440.