Hummer TSB #08-08-46-008C
2009 Hummer H2
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# 08-08-46-008C.
Affected Component: ELECTRICAL SYSTEM:SOFTWARE
- Summary
- GM: THERE ARE MULTIPLE CONCERNS WITH THE ONSTAR SYSTEM. IT IS NOT WORKING CORRECTLY AND THE BATTERY MAY DRAIN. *RM
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