06:15 09-03-2026

GM recalls Silverado HD and Sierra HD pickups over fuel system software issue

General Motors recalls 2025-2026 heavy-duty pickups due to a software glitch that may cause engine stalling. Learn about the fix and affected models.

General Motors has announced a new vehicle recall affecting heavy-duty Chevrolet Silverado HD and GMC Sierra HD pickups. The recall stems from a software glitch that could cause the engine to stall unexpectedly while driving.

According to the U.S. National Highway Traffic Safety Administration (NHTSA), the issue involves the dual-fuel-tank system. These systems are designed to extend driving range by automatically pumping fuel from an auxiliary tank into the main tank. However, in some cases, the engine control unit software may mistakenly flag a diagnostic fault during normal fuel transfer.

When such an error occurs, the system stops transferring fuel from the secondary tank until the vehicle is restarted. This creates a potentially hazardous situation. The fuel gauge on the dashboard displays the total amount of fuel in both tanks, even though the engine is only receiving fuel from the main tank. As a result, a driver might believe there is sufficient fuel when the main tank is actually nearly empty. If the main tank runs dry while driving, the engine could stall without warning.

No accidents or injuries have been reported in connection with this problem, but a sudden stall at highway speeds could increase the risk of a crash. The recall covers approximately 11,787 vehicles—specifically, 2025–2026 model year Chevrolet Silverado 3500 and GMC Sierra 3500 pickups equipped with gasoline engines and the dual-fuel-tank system.

Diesel versions are not included in the recall. The fix will be performed via a software update to the engine control unit. Owners will begin receiving notifications about the service campaign starting April 20, 2026.

Modern vehicles are becoming increasingly reliant on software. Even in heavy-duty pickups, where reliability has traditionally been a key focus, software errors are now a growing cause of service campaigns.