General Motors (GM) have decided that a defect affecting safety exists in certain 2021-2022 Chevrolet Equinox and 2022 GMC Terrain vehicles. They opened an investigation into the problem in August 2022 after noticing a high rate of warranty returns for the fuel tank pump on some 2021-2022 model year Equinox and Terrain vehicles.

GM’s investigation analyzed field data, defective returned components, and conducted an inspection of the tier two supplier’s facility and manufacturing processes. During this investigation, GM found that the supplier’sf manufacturing team made an unauthorized change in the fuel tank pump rolling force in May 2021 and that this error was discovered and corrected by the supplier’s engineering team on June 2021. GM conducted an analysis of field data relating to claims GM received between May 22, 2021, and December 15, 2022, and identified 710 stall events potentially related to the recall condition.

According to the defect report, during a specific production period between May 2, 2021, and June 1, 2021, a tier-two supplier implemented an unauthorized change to the fuel pump in the manufacturing process which decreased the pump section clearances. This resulted in the potential for insufficient fuel flow to the engine. If the fuel pump module does not consistently provide sufficient fuel to the engine, the vehicle may stall.

Drivers may notice an illuminated check engine light or experience engine hesitation. If the vehicles stalls, it could be difficult to restart.

Owners receiving notices will be asked to return to their dealers to have the fuel pump module replaced in their vehicles. GM’s number for this recall is N222372310 and the NHTSA campaign number is 23V-013.

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