NHTSA ID Number: 10199264 Manufacturer Communication Number: 21NA090 Summary This service bulletin provides a repair procedure to correct a customer concern of Whistle or Hoot/Woot Noise Heard from Under Vehicle in Cold Ambient Temperatures. 3 Affected Products Vehicle MAKE MODEL YEAR CADILLAC XT4 2019-2021 Condition Some customers may comment on a “whistle” or “hoot/woot” … Read more
NHTSA ID Number: 10205577 Manufacturer Communication Number: 21NA257 Summary This service bulletin provides a service procedure to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated – DTC P3075 Set. 36 Affected Products Vehicles MAKE MODEL YEAR BUICK ENCORE GX 2020-2022 CADILLAC CT4 2020-2022 CADILLAC CT5 2020-2022 CADILLAC XT4 2019-2022 CADILLAC XT5 … Read more
NHTSA ID Number: 10205576 Manufacturer Communication Number: 21NA256 Summary This service bulletin provides repair information for dealers/technicians to correct a customer concern of a Malfunction Indicator Lamp Illuminated with DTC P26BB Set. 29 Affected Products Vehicles MAKE MODEL YEAR BUICK ENCORE 2019-2022 BUICK ENCORE GX 2020-2022 CADILLAC CT4 2020-2022 CADILLAC CT5 2020-2022 CADILLAC XT4 … Read more
NHTSA ID Number: 10191198 Manufacturer Communication Number: 20NA002 Summary This service bulletin provides a procedure to correct a condition of front brake squeal noise. 1 Affected Product Vehicle MAKE MODEL YEAR CADILLAC XT4 2020 Condition Some customers may comment on brake squeal noise at low mileage and can be particularly noisy at low … Read more
NHTSA ID Number: 10206730 Manufacturer Communication Number: PIP5675G Summary This Preliminary information communicates to the dealer that a customer may comment that the MIL light is illuminated. The technician may find P1098 and/or P26BB set current or history. That this may be caused by a software anomaly, and that GM is currently looking into the issue. It provides testing … Read more