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November 1, 2002 Service bulletin

Allison transmission control module fastlearn procedure update required after transmission repairs

Chevrolet technical service bulletin 020730032A for 2002-2003 Chevrolet Silverado and 2002-2003 GMC Sierra.

Bulletin number
020730032A
Component
Power train: automatic transmission
Summary
Allison transmission control module fastlearn procedure update required after transmission repairs. Tt

Owners of these vehicles have filed 198 complaints in the transmission category.

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