P257D · 厂商技术资料

CADILLAC, CHEVROLET, GMC · 2025-05-03

This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards the hood will not latch, open and/or gets stuck, hood ajar message displayed on driver information center (DIC), DTCs P257D, P257E, P257F, B1C80, B1C81, B1C85, B1C89, B1C8C, B1C8D, B1CB5 , B1CBF set.

CHEVROLET · 2022-05-24

This Preliminary information communicates that the coolant temperature sensor may leak coolant and wick into the ECM connector possibly causing a Hood Ajar message, CEL and a P257D.