Engine Overheating – Poor Heater Performance AC Off Message P00B7 P2181 – 2013-2015 Buick Cadillac & Chevrolet

2015 Chevrolet Impala

NHTSA ID Number: 10115013 Manufacturer Communication Number: PIP5300 Summary This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that engine overheating, and/or poor heater performance, AC off message, and Malfunction Indicator Lamp illumination. Technician will find Diagnostic Trouble Code P00B7 and/or P2181. Technician will gain access to the water … Read more