DeVille DHS V8-4.6L VIN Y (2000)
Instrument Panel Control Module: Customer Interest
Digital Instrument Cluster - Concerns
File In Section: 08 - Body and Accessories
Bulletin No.: 00-08-49-005
Date: June, 2000
TECHNICAL
Subject:
Intermittent Digital Instrument Cluster Concerns
(Reprogram Instrument Panel Cluster (IPC)
Models:
2000 Cadillac DeVille
SOP Through VIN Breakpoint YU229401
Condition
Some customers may comment that one or more of the following conditions have occurred:
^
The Driver Information Display (DIC) is not operating properly. For example, the door open display is slow to respond.
^
The traction off/traction ready may not be synchronized with the traction switch inputs.
^
The information display resets itself.
^
The trip odometer will reset to zero.
^
The average fuel economy display may be incorrect.
^
The average vehicle speed may be incorrect.
^
The fuel range display may be incorrect.
^
The DIC display's memory is inoperative.
^
Phone not present message is displayed on the DIC when the phone is in place.
^
Blank DIC on vehicles built with phones.
The following conditions may be experienced by the service technician:
^
The IPC is setting DTCs U1162 and U1163 on chassis used for the build of hearse vehicles.
^
Unable to reprogram other modules in the vehicle using the Tech 2 scan tool.
^
DTC U1016 history code is set.
Cause
There may be a problem with the communication software within the IPC.
Correction
1.
Connect the Tech 2 to the vehicle.
2.
Remove the PCM battery fuse, # 8 fuse from the underhood fuse and relay center.
3.
Using the Techline terminal, reprogram the IPC.
4.
Disconnect the Techline terminal and Tech 2 from the vehicle.
5.
Reinstall the PCM fuse # 8 in the underhood fuse and relay center.
