Affected Component: SERVICE BRAKES, HYDRAULIC

Date Published

DEC 01, 2004

NHTSA TSB #

10015784

TSB Document

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

You can still get the detailed info from GMC for this TSB. Call your local GMC dealer's service department & ask for a copy of TSB# 612.

Summary

SERVICE ENGINE SOON LIGHT ILLUMINATED. DIAGNOSTIC TROUBLE CODE (DTC) P0171 AND/OR P0174 (LEAN FUEL TRIM) MAY BE SET. MASTER CYLINDER O-RING DAMAGED. GM TECH LINK. *TT