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Lighting - Turn Signals Have Increased Flash Rate

Bulletin No.: 07-08-42-003

Date: February 06, 2007

TECHNICAL

Subject:
Turn Signals Have Increased Flash Rate (Reprogram BCM)

Models:
2007 Chevrolet Silverado 1/2 Ton Crew Cab Only
2007 GMC Sierra 1/2 Ton Crew Cab Only

Built at Oshawa (VIN 1) Prior to VIN Breakpoint 71529814

Condition

Some customers may comment that the turn signals are flashing faster than normal for no apparent reason. This condition may affect the right, left or both turn signals.

Cause

This condition may be due to a variation in components and software in the BCM.

Correction

A revised calibration has been developed to address this issue. Reprogram the BCM using SPY with the latest software available on TIS2WEB. As always, make sure your Tech 2(R) is updated with the latest software version.

Warranty Information





For vehicles repaired under warranty, use the table.





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