Affected Component: POWER TRAIN:DRIVELINE

Date Published

JAN 01, 2011

NHTSA TSB #

10037687

TSB Document

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

You can still get the detailed info from Hummer for this TSB. Call your local Hummer dealer's service department & ask for a copy of TSB# 09-04-21-005D.

Summary

GM: THE SERVICE 4WD LIGHT IS ON AND A TROUBLE CODE IS SET. THIS IS A SOFTWARE PROBLEM. *RM