NHTSA ID Number: 10222784 Manufacturer Communication Number: 21-NA-165 Summary This service bulletin provides a service procedure to correct a customer concern of a Rattle Noise/Vibration from Under Vehicle. Cause This condition may be caused by a crack (2) in the brace (1) used to space the exhaust system. Correction If the brace was found to … Read more
NHTSA ID Number: 10222835 Manufacturer Communication Number: 22-NA-191 Summary This service bulletin provides repair information to correct a customer concern of Super Cruise Enhancement: Trailering and Active Lane Change failed installation. Condition Some customers may comment that the Super Cruise enhancement purchased through OnStar application has failed installation. Message on infotainment screen indicates “Installation Failed, See … Read more
NHTSA ID Number: 10222837 Manufacturer Communication Number: 22-NA-193 Summary This informational bulletin explains to the tech on where to look for a possible concern with the rockers causing the MIL to illuminate. Condition Some customers may comment that the MIL is illuminated. Some technicians may find one or more of the following codes set in the … Read more
NHTSA ID Number: 10224283 Manufacturer Communication Number: PIT5883E Summary This Preliminary information communicates vehicles being built without certain options due to a parts shortage. Condition This is an informational PI to bring awareness to certain vehicle options being disabled. Please be aware that some vehicles, identified by an RPO code, are built with the following option(s) … Read more
NHTSA ID Number: 10224306 Manufacturer Communication Number: PIC6476 Summary This Preliminary information communicates that the appearance of cracks on carbon ceramic rotors is normal and does not impact the performance or durability of the brake system. Condition A customer may comment that the carbon ceramic rotors on their vehicle appear to have cracks on the surface of … Read more