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July 1, 2002 Service bulletin

This bulletin is being issued to revise diagnostic trouble codes B1652, B1656 and B1658

Buick technical service bulletin 020847003 for 2000-2002 Buick Park Avenue.

Bulletin number
020847003
Component
Electrical system: ignition: module
Summary
This bulletin is being issued to revise diagnostic trouble codes b1652, b1656 and b1658. Tt

Owners of these vehicles have filed 30 complaints in the electrical category.

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