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January 1, 2004 Service bulletin

Transfer case inoperative or shifts to 4LO after encoder motor sensor replacement

Chevrolet technical service bulletin 01637 for 2003 Chevrolet Tahoe, 2003 Chevrolet Silverado and 2003 Chevrolet Suburban and others.

Bulletin number
01637
Component
Electrical system
Summary
Transfer case inoperative or shifts to 4lo after encoder motor sensor replacement. Mj

Owners of these vehicles have filed 485 complaints in the electrical category.

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