Affected Component: SERVICE BRAKES, AIR

Date Published

NONE PROVIDED

NHTSA TSB #

10011595

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# 3250.

Summary

SERVICE ENGINE SOON LIGHT ILLUMINATED WITH DIAGNOSTIC TROUBLE CODE P0171 OR P0174 SET. THE ROOT CAUSE MAY BE A DAMAGED OR MISSING SEAL FROM THE MASTER CYLINDER TO THE BRAKE BOOSTER. *EH