Subject: | No Start, Service Engine Soon Lamp On, ABS Warning Light On, Air Bag Light On, DTCs Set, Various Door Electrical Functions Inoperative (Replace Driver and/or Passenger Door Harness and/or Repair Body Harness Connector) |
Models: | 2002 Chevrolet TrailBlazer, TrailBlazer EXT, TrailBlazer Export |
2002 GMC Envoy, Envoy XL |
2002 Oldsmobile Bravada |
Built Prior to April, 2002 |
Some customers may comment that the vehicle will not start and/or any of the following door electrical functions may be inoperative:
• | Power Door Locks |
• | Outside Mirrors |
• | Memory Seat |
• | Power Windows |
• | Heated Front Seats |
• | Door Audio Speaker |
• | Liftgate |
Some may comment that these conditions occur intermittently. Diagnosis of these conditions may also find that various Diagnostic Trouble Codes (DTCs) may be set.
Moisture intrusion through the passenger side and driver side front door-to-body harness inline connections.
Follow the recommended diagnostics/repair for the front door and body harness connectors listed below.
• | If the connector has 11 leads, then there is no issue. Proceed to Passenger Door. |
• | If the connector has 9 leads, then verify that the three empty cavities of the plastic connector are properly blocked. If all three cavities are blocked, then there is no issue. Proceed to Passenger Door. If two cavities are open, then perform the following repair procedure. |
- | If there is no evidence of corrosion, clean the connector using an electrical contact cleaner and fill the two open/unblocked cavities using RTV. |
- | If the terminals or connector show signs of corrosion, replace the door harness. Refer to the Front Door Wiring Harness Replacement procedure in the Doors sub-section of the Service Manual. Ensure the replacement door harness has unused cavities blocked. |
• | If there is no evidence of corrosion, verify that the three empty cavities of the plastic connector are properly blocked. If two cavities are open, clean the connector using an electrical contact cleaner and fill the two open/unblocked cavities using RTV. |
• | If the terminals or connector show signs of corrosion, replace the door harness. Refer to the Front Door Wiring Harness Replacement procedure in the Doors sub-section of the Service Manual. Ensure the replacement door harness has unused cavities blocked. |
• | If there is no evidence of corrosion, verify that the three empty cavities of the plastic connector are properly blocked. If two cavities are open, clean the connector using an electrical contact cleaner and fill the two open/unblocked cavities using RTV. |
• | If there is evidence of corrosion, replace the mating connector/leads on the body harness by splicing in the service pigtail, P/N 88953131, using the procedure listed below. |
Part Number | Description | Qty |
---|---|---|
15176831 (RH) (w/o RPO UQA) | Harness Asm-Frt Dr Wrg | 1 |
15176833 (LH) (w/o RPO UQA) | Harness Asm-Frt Dr Wrg | 1 |
15176835 (LH) (w/ RPO UQA) | Harness Asm-Frt Dr Wrg | 1 |
15176838 (RH) (w/ RPO UQA) | Harness Asm-Frt Dr Wrg | 1 |
15306403 (11 wires) | Connector Inline (Service Pigtail) | 1 |
88953131 (9 wires) | Connector Inline (Service Pigtail) | 1 |
RPO UQA -- Speaker System Premium Performance Enhanced Audio
Parts are expected to be available 8-22-2002 from GMSPO.
For vehicles repaired under warranty, use:
Labor Operation | Description | Labor Time |
---|---|---|
N8505 | Harness, Front Door Inline Connector -- Diagnosis/Inspect | 0.4 hr |
Add | To Splice in One Service Pigtail | 0.6 hr |
Add | To Splice in Both Service Pigtails | 1.1 hrs |
Add | To Replace One Front Door Harness | 0.5 hr |
Add | To Replace Both Front Door Harnesses | 0.9 hr |
This is a unique labor operation number for use only with this bulletin. This number will not be published in the Labor Time Guide. |