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January 25, 2006 Service bulletin

4WD inoperative and possible DTC C0327 stored in the transfer case control module

Chevrolet technical service bulletin 3665 for 2003-2006 Chevrolet Tahoe, 2003-2006 Chevrolet Silverado and 2003-2006 Chevrolet Suburban and others.

Bulletin number
3665
Component
Power train: transfer case (4-wheel drive)
Summary
4wd inoperative and possible dtc c0327 stored in the transfer case control module. Tt

Owners of these vehicles have filed 419 complaints in the transmission category.

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