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October 26, 2005 Service bulletin

HVAC, passenger lumbar and/or passenger heated seat inoperative

Chevrolet technical service bulletin 3174A for 2004-2005 Chevrolet Colorado and 2004-2005 GMC Canyon.

Bulletin number
3174A
Component
Seats: front assembly: seat heater/cooler
Summary
Hvac, passenger lumbar and/or passenger heated seat inoperative. Tt

Owners of these vehicles have filed 9 complaints in the seats category.

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