P0671

CHEVROLET, GMC

This engineering information (EI) closure ends the need for gathering further information from technicians in regard to having the Check Engine Lamp illuminated on Driver Information Center (DIC) with DTCs P0671, P0672, P0673, P0674, P0675, and P0676 Set.

CHEVROLET, GMC

This engineering informational bulletin is requesting information from the field to determine a root cause for a condition of Service Engine Soon (SES) Light On, DTCs P06C5, P06CC, P066A, P066C, P066E, P067A, P067C, P067E, P068C, P068E, P0671, P1337 and P133F Set.

RAM

Glow Plug Missing O-ring This bulletin involves the replacement of the glow plugs because of a missing internal O-ring. The customer may describe a Malfunction Indicator Lamp (MIL) illumination and/or a blinking glow plug lamp in the Instrument Cluster. Upon further investigation the technician may find one or more of the follow…

VOLKSWAGEN

MIL ON, DTC(s) P0671, P0672, P0673 and/or P0674 Stored in ECM Fault Memory