C 1500 Yukon 2WD V8-5.3L VIN Z Flex Fuel (2003)
Instrument Panel Control Module: All Technical Service Bulletins
Instruments - Gauges Inoperative
Bulletin No.: 03-08-49-020
Date: November 19, 2003
TECHNICAL
Subject:
Instrument Panel Cluster (IPC) Gauges Inoperative (Reprogram IPC)
Models:
2003 Cadillac Escalade, Escalade ESV, Escalade EXT
2003 Chevrolet Avalanche, Silverado, Suburban, Tahoe
2003 GMC Sierra, Yukon, Yukon XL
Condition
Some customers may comment that upon vehicle start-up, all instrument panel cluster gauges are inoperative.
Cause
During a cold start or low battery condition, a low voltage condition may cause gauges to freeze during crank cycle.
Correction
Important:
DO NOT REPLACE the following clusters unless a reprogram does not correct this condition.
^
15182138
^
15182139
^
15182140
^
15182141
^
15182142
^
15182143
^
15182144
^
15182145
^
15182146
^
15182147
^
15182148
^
15182149
^
15182150
^
15182151
^
15182152
^
15182153
^
15182154
^
15182155
^
15182156
^
15182157
^
15177467
^
15177468
A new service calibration has been released to correct this condition. Reprogram the IPC using the new service calibration, which was available from
Techline starting November 3, 2003 on the TIS2000 version 11.5 or later. This calibration is an electronic calibration and is not available from GMSPO.
Warranty Information