GMC TSB #3349
1999 GMC Envoy
Affected Component: POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)
- 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# 3349. 
- Summary
- 4WD INOPERATIVE AND DIAGNOSTIC TROUBLE CODE (DTC) U1026 ATC FUSE OPEN. *TT
