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November 6, 2014 Service bulletin

Service update

Chevrolet technical service bulletin 14677 for 2015 Chevrolet Tahoe Police Pursuit.

Bulletin number
14677
Component
Electrical system
Summary
14677 - service update. This bulletin provides a service procedure to update the bcm calibration to include special equipment 6j7 option on vehicles. This concern and resolution applicable to police pursuit vehicles (9c1) and special service vehicles (5w4) only, that are not equipped with the seo 6j7 headlamp and tail lamp flasher system.

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