P3056

CHEVROLET, GMC

This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Malfunction Indicator Lamp illuminated on Driver Information Center (DIC) with DTCs P3055, P3056 Set.

CHEVROLET, GMC

This Preliminary Information provides information to the technician about a additional diagnostic tip for a check engine lamp for DTC P3055 and P3056 and the start/Stop being inoperative.

CHEVROLET, GMC

This Preliminary Information provides information to the technician about a additional diagnostic tip for a check engine lamp for DTC p3055 and P3056 and the start/Stop being inoperative.

BUICK

This technical bulletin provides a procedure to clean out the HVAC drain hose if a vehicle has a condition of Front Carpet Wet and/or Musty Smell with Possible DTC P3055 or P3056 due to the water coming inside.