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GMC TSB #040421004
2004 GMC Envoy
TSB Document: - 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# 040421004.
Affected Component: POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)
- Summary
- 4WD SWITCH INDICATOR LIGHTS FLASHING, 4WD INOPERATIVE, DIAGNOSTIC TROUBLE CODES C0327, P0550 SET. *TT
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