Terraza FWD V6-3.5L VIN 8 (2005)
Instrument Panel Control Module: All Technical Service Bulletins
Instruments - Gauges Drop to Zero When Using OnStar(R)
Bulletin No.: 05-08-49-017
Date: May 16, 2005
TECHNICAL
Subject:
Speedometer Drops to Zero When Using OnStar(R) (Reprogram IPC)
Models:
2005 Buick Terraza
2005 Chevrolet Uplander
2005 Pontiac Montana SV6
2005 Saturn Relay
with Base Level Cluster (RPO UH8) and OnStar(R) System (RPO UE1)
Condition
Some customers may comment that the speedometer drops to zero when using the OnStar(R) system.
Correction
Important:
Programming the IPC must be done PASS-THRU ONLY.
Technicians are to reprogram the IPC with an updated software calibration. This new service calibration was released with TIS satellite data update
version 5.0 available May 5, 2005. As always, make sure your Tech 2(R) is updated with the latest software version.
For "stand alone" or non-GM Access connected dealers, the TIS 5 2005 Data CD5 will also contain this information and is expected to be mailed
starting the week of 5/9/05 for GM, week of 5/16/05 for Saturn U.S., and the week of 5/23/05 for Saturn Canada.
Warranty Information
For vehicles repaired under warranty, use the table.
Disclaimer
