GM Recalls, Technical Service Bulletins TSB's, Diagnostic & Repair Tips
January 27, 2022 NHTSA CAMPAIGN NUMBER: 22V036000 Rear Wheel Driveshaft Assemblies May Fail Driveshaft failure can cause a sudden loss of drive power, increasing the risk of a crash. NHTSA Campaign Number: 22V036 Manufacturer General Motors, LLC Components POWER TRAIN Potential Number of Units Affected 1,789 Summary General Motors, LLC (GM) is recalling certain 2021 GMC Yukon, Yukon … Read more
NHTSA ID Number: 10219391 Manufacturer Communication Number: 21-NA-181 Summary This service bulletin provides 9th gear operation information to respond to customers that may comment on transmission shift operation. Condition Some customers may comment that the transmission doesn’t shift into 9th gear or maintain 9th gear operation to customer expectations. Information The GM 9-speed transmission does … Read more
NHTSA ID Number: 10226375 Manufacturer Communication Number: PIP5872 Summary This Preliminary information communicates to replace the rear plugs in the transmission if found leaking. Condition Some customers may comment that transmission fluid is leaking under the vehicle. Cause One or more of the transmission rear case plugs maybe leaking. Use a light looking from the … Read more
NHTSA ID Number: 10226379 Manufacturer Communication Number: PIT5940A Summary This Preliminary information communicates that a customer may notice that the gridlines on the backup camera are very dim. They may mention that this occurred after an OTA update. The dealer technician is advised to perform no repairs. The technician is advised that engineering is looking into a … Read more
NHTSA ID Number: 10226381 Manufacturer Communication Number: PIP5887 Summary This Preliminary information communicates the possibility of a normal balance shaft gear whine noise to exist in the engine and is normally most audible at or above 1500rpm. This noise does not create any reliabilty or durability issues with the engine. Condition: Whine noise heard from engine area most … Read more
