Affected Component: ELECTRICAL SYSTEM:WIRING

Date Published

AUG 01, 2008

NHTSA TSB #

10026652

TSB Document

• Sorry, the NHTSA has not posted this TSB document yet.

You can still get the detailed info from Chevrolet for this TSB. Call your local Chevrolet dealer's service department & ask for a copy of TSB# PIP-4455.

Summary

GMC: MALFUNCTION INDICATOR LAMP ON. THE TRANSMISSION CONTROL MODULE (TCM) WILL NOT OPERATE AS A RESULT OF SYSTEM VOLTAGE SPIKES WHICH WILL AFFECT COMMUNICATION LINES. *PE