Affected Component: POWER TRAIN:DRIVELINE

Date Published
JUN 01, 2007
NHTSA TSB #
10022472
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# 070419001.

Summary
INTERMITTENT/INOPERATIVE FOUR WHEEL DRIVE, SERVICE 4WD SYSTEM LAMP ON AND DTC C0378 - FRONT AXLE SWITCH CIRCUIT SIGNAL INVALID. *KB