Electrical - Multiple Electrical Malfunctions
Bulletin No.: 04-08-64-019Date: September 21, 2004
TECHNICAL
Subject:
Multiple Electrical System Malfunctions, Engine Will Not Start, Engine Will Not Shutdown, IP Gauges/Lighting Inoperative, Radio Inoperative, HVAC Display Erratic, Loss of Rear Door Functions (Inspect Both Rear Door Harnesses and Repair, if Necessary)
Models:
2005 Cadillac STS
Built Between and Including VIN Breakpoints 50112423 and 50133076
Attention:
This inspection should be performed on all vehicles currently in your inventory prior to sale or delivery.
Condition
Some customers may comment on one or more of the following conditions:
^ Engine Will Not Start
^ Engine Will Not Shutdown
^ IP Gauges/Lighting Inoperative
^ Radio Inoperative
^ HVAC Display Erratic
^ Loss of Rear Door Window/Lock Functions
These conditions may occur intermittently.
Cause
These conditions may be caused from the rear door wiring harness being misrouted causing the harness to contact the metal door bracket. This contact may cause a rub through to the wires enclosed in that harness.
Correction
Inspect both rear door wiring harnesses. Repair any damaged wires and reroute harness to correct location. Use the procedure listed below.
1. Make sure the ignition is off.
2. Remove both the rear door trim panels.
3. Inspect for proper clip orientation on the harnesses. See the above illustrations.
4. If the clip is found with improper orientation, disconnect the clip from the stud and inspect the wires for insulation damage where the harness contacted the metal bracket.
5. Repair any damaged wires.
6. Reinstall the clip to the stud with the proper orientation.
7. Install the rear door trim panels.
8. Start the vehicle.
9. Verify the window operates in both directions by using the switch on the applicable door.
10. Relearn the window express function.
11. Verify the power door lock operates.
12. Turn off the ignition.
Warranty Information
For vehicles repaired under warranty, use the table.
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