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# 08-04-21-003.

Affected Component: POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT

Summary
SERVICE ALL WHEEL DRIVE AND/OR ALL WHEEL DRIVE OFF MESSAGE DISPLAYED IN DIC, DTC C0394 SET (INSPECT REAR DIFFERENTIAL WIRING HARNESS AND REPAIR, IF NECESSARY). *PE

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Date Published
APR 01, 2008
NHTSA TSB #
10025287
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