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.

Affected Component: POWER TRAIN:DRIVELINE

Summary

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

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