Yukon Denali AWD V8-6.2L (2007)
Fuse: Customer Interest
Electrical - Various Rear Door Electrical Malfunctions
TECHNICAL
Bulletin No.: 06-08-44-009A
Date: August 04, 2008
Subject:
Rear Door Locks/Rear Windows/Courtesy Lamps/Rear Speakers Inoperative, Blown Fuse, SIR DTC Codes (Inspect/Repair, Wrap Wire Harness)
Models:
2007-2009 Cadillac Escalade, Escalade ESV, Escalade EXT
2007-2009 Chevrolet Avalanche, Silverado (Crew Cab Only), Suburban, Tahoe
2007-2009 GMC Sierra (Crew Cab Only), Yukon, Yukon Denali, Yukon XL, Yukon Denali XL
Supercede:
This bulletin is being revised to add model years. Please discard Corporate Bulletin Number 06-08-45-009 (Section 08 - Body and Accessories).
Condition
Some customers may comment on one or all of the following conditions:
^
Rear door locks inoperative
^
Rear windows inoperative
^
Door courtesy lamps inoperative or stay on at times
^
Rear speakers inoperative
^
Any fuse (related to the rear doors) that is blown/shorted
^
SIR codes related to the pretensioner
^
Interior dimming inoperative
Cause
The B-pillar wiring harness around the seat belt retractor may be or become chaffed/damaged. The correction listed below is intended to repair any
damage and prevent future concerns.
Correction
Important:
This repair operation is intended to be done on both B-pillars.
1.
Remove the lower B-pillar cover.
2.
Disconnect the Supplemental Inflatable Restraint (SIR) connector.
3.
Inspect the wiring harness in the B-pillar around the seat belt retractor.
4.
Make any necessary wiring harness repairs.
5.
Wrap the "entire" harness with electrical tape.
6.
Install conduit tubing around the harness.
