Grand Prix V6-3.8L VIN 2 (2004)
Relays and Modules - Instrument Panel: Customer Interest
Instruments - DIC Goes Blank Won't Display
Bulletin No.: 04-08-49-024A
Date: March 23, 2005
ADVANCE SERVICE INFORMATION RESOLUTION
Subject:
DIC Does Not Display Information (Reprogram the DIC Module)
Models:
2004-2005 Pontiac Grand Prix
Built Prior to VIN Breakpoint 51147166
Supercede:
This bulletin is being revised to update dealers with the permanent fix for this concern. Please discard Corporate Bulletin 04-08-49-024 (Section - Body
and Accessories).
Condition
Some customers may comment that the DIC (Driver Information Center) goes blank and does not display any information. Intermittent operation does
not apply to this bulletin.
Cause
The DIC may go into a logic lock mode due to a specific set of circumstances within the electrical inputs going to the DIC.
Correction
Reprogram the DIC Module. Do not remove, replace or exchange the DIC.
Important:
The DIC calibration will not correct all DIC concerns. The following diagnostics will aide in determining if the calibration is needed:
Reprogramming will not correct the customer's concern if any of the following conditions occur:
^
The DIC lights or displays text when the key is placed in the run position.
^
The Tech 2(R) verifies the DIC is communicating on the Class 2 bus.
^
If the fuse is removed and reinstalled and the DIC does not function with the key in the run position.
A new calibration, P/N 15257797/28012015, has been released to the dealers on TIS release 3.0, dated March 7, 2005 or newer. The DIC is
reprogrammed through SPS programming via the Tech 2(R).
Warranty Information
For vehicles repaired under warranty, use the table.
