Envoy 2WD V8-5.3L VIN P (2004)
Parts Information
DO NOT order parts for stock. Parts are in LIMITED quantities at GMSPO.
Parts are currently available from GMSPO.
Warranty Information
For vehicles repaired under warranty, use the table.
Disclaimer
Technical Service Bulletin # 04-04-19-001
Date: 040223
4X4 System - Service 4WD Lamp ON/4WD Inoperative
Bulletin No.: 04-04-19-001
Date: February 23, 2004
TECHNICAL
Subject:
Diagnostic Trouble Code (DTC) C0379 Set, Service 4WD Light On, 4WD Inoperative (Replace Front Axle Actuator)
Models:
2004 Chevrolet TrailBlazer, TrailBlazer EXT
2004 GMC Envoy, Envoy XL, Envoy XUV
with Autotrac Active Transfer Case (RPO NP8)
Condition
Some customers may comment that the Service 4WD light is on and/or the 4WD system will not engage. This condition may only occur after a cold
temperature start-up (typically below -6°C to -1°C (20°F to 30°F).
