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# 031203.

Affected Component: SUSPENSION:REAR:SPRINGS:AIR SUSPENSION SYSTEM

Summary

AUTOMATIC LEVELING FEATURE OF THE REAR SUSPENSION IS NOT FUNCTIONING WITH POSSIBLE DIAGNOSTIC TROUBLE CODE U1000 SET. *TT *JB

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