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January 1, 2004 Service bulletin

The tech 2 cannot communicate with gm-lan modules

Chevrolet technical service bulletin 1491B for 2004 Chevrolet Malibu, 2004 Cadillac SRX and 2004 Cadillac CTS and others.

Bulletin number
1491B
Component
Electrical system
Summary
The tech 2 cannot communicate with gm-lan modules. Sit bulletin 140895. Tt

Owners of these vehicles have filed 224 complaints in the electrical category.

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