Bravada 2WD L6-4.2L VIN S (2002)
Multiple Junction Connector: All Technical Service Bulletins
Electrical - Intermittent Multiple Malfunctions
File In Section: 08 - Body and Accessories
Bulletin No.: 02-08-64-017
Date: August, 2002
TECHNICAL
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
Condition
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.
Cause
Moisture intrusion through the passenger side and driver side front door-to-body harness inline connections.
Correction
Follow the recommended diagnostics/repair for the front door and body harness connectors listed below.
Driver Door
1.
Inspect the driver door harness connector (9 or 11 wires depending on vehicle option content) and terminals (inline to body harness).
^
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 subsection of the Service Manual. Ensure the replacement door harness has unused cavities blocked.
2.
Inspect the body harness connector (11 wires) and terminals (inline to driver door harness). If there is evidence of corrosion, replace the mating
