Sierra 1500 4WD V8-6.0L (2007)
Body Control Module: Customer Interest
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.
Disclaimer
