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# 040848001.

Affected Component: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:REAR WINDOW

Summary

REAR WINDOW DEFOGGER - BROKEN HEATING GRID DETECTION METHOD. 2004 AND PRIOR PASSENGER CARS AND LIGHT DUTY TRUCKS. *TT UPDATED *EH

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