Reports state that the low-fuel-level sensor in the front tank of the vehicles can stick, causing the rear tank to overflow. This can result in the front tank expanding and coming in contact with the drive shaft which can cause a hole to develop in the fuel tank.
Dealers will replace the rear tank fuel pump, update vehicle software, and inspect front tanks.
Recall notifications are expected to be sent out beginning December 18 and repair parts will be available in February.
The following vehicles are included with the GM recall provided they are equipped with two tanks: