GMC TSB #3556A
2003 GMC Yukon
Affected Component: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR
- TSB Document
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- 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# 3556A.
- Summary
- REAR BLOWER TURNS ON BY ITSELF/DEFAULTS TO HIGH BLOWER SPEED AND/OR DEFAULTS TO FULL COLD. *TT