Ascender 4WD V8-5.3L (2004)
Fuse: All Technical Service Bulletins
OnStar(R) - System Inop/No LED/No Power
TSB SB06-13-S003
OnStar(R) Generation 6 (Digital) System Inoperative, Has No Power,
LED Light Not On
ISSUE DATE: APRIL 2006
Affected Vehicles
2004-2006 Isuzu Ascender (US/UT)
Built prior to following VIN Breakpoint:
Ascender (UT) 62183983
Ascender (US) 66127994.
Service Information
Condition:
Some customers may comment on any or all of the following conditions:
^
The OnStar(R) system may be inoperative.
^
The OnStar(R) system may have no power.
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The OnStar(R) LED light may not be on.
The technician may also not be able to communicate with the OnStar(R) Vehicle Communication Interface Module (VCIM) with a Tech 2.
Correction:
Remove/reinstall OnStar® fuse and replace VCIM or follow the Service Manual diagnostics.
Service Procedure
IMPORTANT:
This bulletin does NOT apply to 2006 vehicles built AFTER the VIN breakpoint listed above. Refer to applicable diagnostics in the Service Manual
for those vehicles that exhibit this condition.
Remove the OnStar(R) fuse from the fuse box, wait five minutes and reinstall the fuse. If the OnStar® system DOES NOT return to normal functionality,
then follow the diagnostics in the Service Manual for this condition.
If the OnStar(R) system DOES return to normal functionality, you will need to replace the VCIM. If the VCIM is not replaced, there is the possibility
that the customer will return to the dealership with the same conditions at a later date. To order a replacement VCIM contact Autocraft Electronics at
1-800-336-3998.
IMPORTANT:
As with any OnStar(R) VCIM replacement, the OnStar(R) system must be reconfigured after replacement.
Warranty Claim Information
Use the labor operation shown.
NOTE:
