Malfunction Indicator Lamp (MIL) Illuminated with DTC P2251 and/or DTC P2254 Set – 2020-2022 Cadillac Chevrolet

Cadillac & Chevrolet

NHTSA ID Number: 10222797 Manufacturer Communication Number: 22-NA-019 Summary This service bulletin provides repair information to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated with DTC P2251 and/or DTC P2254 Set.   Condition Some customers may comment on a MIL illuminated in the driver information center (DIC). Technicians may find DTC P2251 (Heated Oxygen Sensor … Read more