Service bulletins for the 2002 GMC Envoy
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
658 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Ignition are shown. Show all
| 050730021 | 2005-11-05. Service bulletin. ELECTRICAL SYSTEM:IGNITION:SWITCH. IGNITION KEY WILL NOT REMOVE FROM IGNITION LOCK CYLINDER. *TT |
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| 3216 | 2004-12-02. Service bulletin. ELECTRICAL SYSTEM:IGNITION. ERRATIC OPERATION OF PERSONALIZATION WITH IGNITION CYCLE. *EH |
| 020846005 | 2002-10-04. Service bulletin. ELECTRICAL SYSTEM:IGNITION:MODULE. SUBJECT REGARDNG THE ADDITION OF DIAGNOSTIC TROUBLE CODE U1500 FOR GENERATION 4 ONSTAR. *TT |
| 021001 | 2002-02-25. Service bulletin. ELECTRICAL SYSTEM:IGNITION:MODULE. INFORMATION REGARDING ENGINE SOON LAMP BEING ILLUMINATED FOR DIAGNOSTIC TROUBLE CODE,P0014, P1683 OR P0116 A DELAYED TRANSMISSION DOWNSHIFT AND/OR EXCESSIVE FAN NOISE. *YH |
| 300801 | 2001-11-20. Service bulletin. ELECTRICAL SYSTEM:IGNITION:MODULE. INFORMATION REGARDING UNRESOLVED DTC P0014, FALSE DTC P0116 AND P1683. *YH |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.