LW2 V6-3.0L VIN R (2000)
Engine Control Module: Customer Interest
Engine Controls - Various Drivability Concerns
BULLETIN NO.: 99-T-68
ISSUE DATE December, 1999
GROUP/SEQ. NO.: Engine-13
CORPORATION NO.: 99-06-03-014
SUBJECT:
Various Driveability Concerns Including: Engine Cranks But Will Not Start, or (MIL) Service Engine Soon Telltale On with One or More ECM DTCs
Stored (Repair Chafed Wire(s) in Engine Harness)
MODELS AFFECTED:
2000 Saturn L-Series vehicles built before and including VIN YY607831 equipped with V-6 (RPO L81) engines
CONDITION
Customers may comment of engine cranking and not starting. Various engine control module (ECM) diagnostic trouble codes (DTCs) may be set with or
without driveability concerns.
CAUSE
This condition may be caused by the ECM wiring harness becoming chafed at any of the following points:
^
Right rear ECM retaining bolt with Torx(R) head
^
Intake runner support bracket bolt
^
Wiring harness support bracket bolt
(Refer to illustration)
CORRECTION
Repair damaged wires and wrap wiring harness conduit closed with electrical tape.
PROCEDURE
1.
Inspect ECM engine wiring conduit at locations (1), (2), and (3) shown in illustration.