2018 GMC Sierra 1500

The defect

General Motors, LLC (GM) is recalling certain 2018 Chevrolet Silverado 1500, GMC Sierra 1500, 2019 Chevrolet Silverado 2500, Silverado 3500, GMC Sierra 2500, and Sierra 3500 vehicles. The left-side or right-side roof rail air bag (RRAB) inflator end cap may detach from the inflator or the inflator sidewall may rupture.

The risk

A detached end cap or inflator rupture can allow compressed gas to escape and project the end cap or fragments of the inflator into the vehicle, increasing the risk of injury.

The remedy

Dealers will replace both RRAB modules, free of charge. Owner notification letters were mailed June 24, 2026. Owners may contact GMC customer service at 1-888-988-7267 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N262557310. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on May 21, 2026. This recall expands previous NHTSA recall number 26V166.

General Motors, LLC · up to 2,785 vehicles across all model years covered

The defect

General Motors, LLC (GM) is recalling certain 2018 Chevrolet Silverado 1500, GMC Sierra 1500, 2019 Chevrolet Silverado 2500, Silverado 3500, GMC Sierra 2500, and Sierra 3500 Crew Cab vehicles. The left or right-side roof rail air bag (RRAB) inflator end cap may detach from the inflator or the inflator sidewall may rupture.

The risk

A detached end cap or inflator rupture can allow compressed gas to escape and project the end cap or fragments of the inflator into the vehicle, increasing the risk of injury.

The remedy

Dealers will replace the left and right-side RRAB modules, free of charge. Owner notification letters were mailed April 16, 2026. Owners may contact GMC customer service at 1-888-988-7267 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N262549710. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on March 19, 2026.

General Motors, LLC · up to 2,819 vehicles across all model years covered

The defect

General Motors (GM) is recalling certain 2018 GMC Sierra 1500, 2019 Sierra 2500, 3500, Chevrolet Silverado 3500, and Chevrolet Silverado 2500 and 2018 Chevrolet Silverado 1500 Crew Cab vehicles. The left or right-side roof-rail air bag (RRAB) inflator end cap may detach from the inflator or the inflator sidewall may rupture.

The risk

A detached end cap or inflator rupture can allow compressed gas to escape and project the end cap or fragments of the inflator into the vehicle, increases the risk of injury or crash.

The remedy

Dealers will replace the left and right side RRAB modules, free of charge. Owner notification letters were mailed July 23, 2025. Owners may contact GMC customer service at 1-888-988-7267 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N252513060.

General Motors, LLC · up to 1,658 vehicles across all model years covered

The defect

General Motors, LLC (GM) is recalling certain 2018 Chevrolet Silverado 1500, GMC Sierra 1500, 2018-2019 Chevrolet Silverado 2500, 3500, and GMC Sierra 2500, 3500 Crew Cab trucks. The left or right-side roof-rail air bag (RRAB) inflator end cap may detach from the inflator or the inflator sidewall may rupture.

The risk

A separated inflator end cap or inflator rupture can allow compressed gas to escape, resulting in the end cap or other components being propelled into the vehicle, increasing the risk of injury or crash.

The remedy

Dealers will replace the left and right side RRAB modules, free of charge. Owner notification letters were mailed November 8, 2024. Owners may contact Chevrolet customer service at 1-800-222-1020, and GMC Customer Service at 888-988-7267. GM's number for this recall is N242474500.

General Motors, LLC · up to 2,061 vehicles across all model years covered

The defect

General Motors LLC (GM) is recalling certain 2018 Cadillac Escalade, Chevrolet Silverado 1500 and Tahoe, GMC Sierra 1500 and Yukon vehicles equipped with either a 5.3L or 6.2L V8 engine. The output of the mechanical vacuum pump can decrease over time, decreasing the amount of vacuum/power brake assist.

The risk

A decrease in brake assist can increase the brake pedal effort and distance required to stop the vehicle, increasing the risk of a crash.

The remedy

GM will notify owners, and dealers will reprogram the Electronic Brake Control Module, free of charge. The recall began November 11, 2020. Owners may contact GM customer service at 1-866-522-9559, Cadillac customer service at 1-800-458-8006 or Chevrolet customer service at 1-800-630-2438. GM's number for this recall is N202300860.

General Motors LLC · up to 14,620 vehicles across all model years covered

The defect

General Motors LLC (GM) is recalling certain 2015-2020 Chevrolet Suburban, Tahoe, and GMC Yukon, and 2014-2018 Chevrolet Silverado 1500 and GMC Sierra 1500 vehicles equipped with a 5.3-liter engine, a 3.08-ratio rear axle and four-wheel drive. If a wheel-speed sensor fails, while the vehicle is traveling between 41 and 60 mph in four-wheel or automatic mode, the Electronic-Brake Control Module (EBCM) software may activate the driveline-protection system.

The risk

Unintended activation of the driveline-protection system will cause unintended braking on the wheel on the opposite side of the failed sensor, causing the vehicle to pull to one side unexpectedly, increasing the risk of a crash.

The remedy

GM will notify owners, and dealers will reprogram the EBCM, free of charge. The recall began December 11, 2019. Owners may contact Chevrolet customer service at 1-800-630-2438 or GMC customer service at 1-800-462-8782. GM's number for this recall is N192261050.

General Motors LLC · up to 652,967 vehicles across all model years covered

The defect

General Motors LLC (GM) is recalling certain 2015-2017 Cadillac Escalade, 2014-2018 Chevrolet Silverado, GMC Sierra, 2015-2018 Chevrolet Suburban, Tahoe, GMC Yukon vehicles. The amount of vacuum created by the vacuum pump may decrease over time.

The risk

As the vacuum level drops, the brake assist decreases, increasing braking effort, extending the distance required to stop the vehicle, thereby increasing the risk of a crash.

The remedy

GM will notify owners, and dealers will reprogram the Electronic Brake Control Module, free of charge. The recall began October 8, 2019. Owners may contact Chevrolet customer service at 1-800-630-2438, Cadillac customer service at 1-800-458-8006 or GMC customer service at 1-800-462-8782. GM's number for this recall is N192268490.

General Motors LLC · up to 3,456,719 vehicles across all model years covered

I was backing out of my garage and truck made strange noise and shut off . Tried to restart but just made ding and wouldn't turn over . Dash lights went blank. Had vehicle towed to shop and mechanic stated it was crank and connecting rods after he dropped the oil pan. I ordered new OEM engine and waiting on delivery . Been 5 weeks now since order . Vehicle only has 106,000 miles on it and have had it since 20,000 miles and all maintenance has always been done . Engine can be inspected at shop as new engine has not arrived

NHTSA complaint 11765772. Filed by an owner and not verified by NHTSA or by us.

CUSTOMER STATES: THINKS CRANKSHAFT PULLEY IS LOOSE DUE TO PRIOR WATER PUMP REPLACEMENT-CRACKSHAFT PULLEY HAS NOTHING TO DO WITH WATER PUMP REPLACEMENT. BEFORE INSPECTING/STARTING ENGINE VERIFIED OIL LEVEL-OIL LEVEL IS ON FULL MARK. STARTED ENGINE-LOUD RATTLING/KNOCKING NOISE FROM ENGINE-ENGINE HAS INTERNAL FAILURE-ENGINE REPLACEMENT IS REQUIRED. ALSO HEARING NOISE IN REAREND-CANNOT TEST DRIVE DUE TO ENGINE CONDITION SEVERAL TSB'S ON ENGINE FAILURES WITH 6.2L ENGINES. GM HAS POSSIBLE RECALLS COMING ON 2019-2024 YR MODELS. NOT SURE IF EARLIER MODELS MAYBE INCLUDED UNDERHOOD INSPECTION 1 7003186 06NS 52.50 52.50 LBR-DISC CUST SAT

NHTSA complaint 11765804. Filed by an owner and not verified by NHTSA or by us.

Vehicle purchased Certified Pre-Owned in October of 2021 with roughly 43,000 miles. During the first service (47,598 miles) at a GM dealer I reported very hard shifts, but this issue was ignored during service. At the next servce (54,571 miles) I again reported the hard shifts and "surging" when coming to a stop but the dealer reported they were unable to replicate the issue and did not address it. At the next service (61,620 miles) I reported the issues with the transmission once again and this time they performed a transmission fluid flush/replacement, acknowledging the issue and asking me to drive for 200 miles and return if the issue was not fixed. I returned at 62,058 miles as the …

NHTSA complaint 11765024, quoted in part. Filed by an owner and not verified by NHTSA or by us.

Unknown

NHTSA complaint 11764851. Filed by an owner and not verified by NHTSA or by us.

Within the first 3 years of purchase as a new vehicle, my 2018 GMC Sierra Denali equipped with the GM 8L90 automatic transmission developed a pronounced judder during light acceleration, resembling driving over rumble strips. The condition was first reported to an authorized GMC dealer on October 23, 2021, at 26,648 miles while the powertrain warranty was in effect. GM authorized a transmission-fluid exchange from the technical service bulletin (TSB) 18-NA-355, dated April 2020, but that repair did not provide a lasting correction. The condition continued, and in 2026 the authorized dealer diagnosed an “internal stator issue causing judder on light acceleration” and recommended replacement …

NHTSA complaint 11762122, quoted in part. Filed by an owner and not verified by NHTSA or by us.

Automatic Transmission not shifting properly unable to accelerate bangs gears while shifting noises from the transmission not reported no warning lamps

NHTSA complaint 11761343. Filed by an owner and not verified by NHTSA or by us.