GMC TSB #1528102
2004 GMC Envoy
Affected Component: ELECTRICAL SYSTEM
- 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# 1528102. 
- Summary
- 02-04 4.2L LL8 DIAGNOSTIC TROUBLE CODE P0171. *MJ
