Buick Regal 2018-2026 Service Manual / Steering & Driveline & Axle / Rear Drive Axle / Diagnostic Information and Procedures
Buick Regal: Diagnostic Information and Procedures
- DTC C0393
- DTC C0407
- DTC C1230 or C1231
- DTC C1244, C1245, or C124B
- DTC C1282
- DTC C12A1 or C12A9
- Symptoms - Rear Differential Carrier
READ NEXT:
DTC C0393
Diagnostic Instructions
Perform the Diagnostic System Check - Vehicle prior to using this
diagnostic procedure.
Review Strategy Based Diagnosis for an overview of the diagnostic
approach.
Diag
DTC C0407
Diagnostic Instructions
Perform the Diagnostic System Check - Vehicle prior to using this
diagnostic procedure.
Review Strategy Based Diagnosis for an overview of the diagnostic
approach.
Diag
DTC C1230 or C1231
Diagnostic Instructions
Perform the Diagnostic System Check - Vehicle prior to using this
diagnostic procedure.
Review Strategy Based Diagnosis for an overview of the diagnostic
approach.
Diag
SEE MORE:
Vehicle Information Menu
(VEHICLE) Items
Units : Choose between Metric or
US when Units is active. Press to
confirm the setting. This will change
the displays on the DIC to the type
of measurements you select.
Speed Warning : This display is
used to set the vehicle speed at
which the speed warning chime
sounds and the alert is displayed.
Engine Coolant Fan Wiring Harness Replacement (3.6L LGX)
Removal Procedure
1. Front Bumper Fascia - Remove.
2. Headlamp- Left Side - Remove.
3.
Engine Coolant Fan Wiring Harness (1) @ Air Conditioning Refrigerant Pressure
Sensor -
Disconnect.
4. Engine Coolant Fan Wiring Harness (2) @ Air Conditioning Evaporator Tube -
Unclip.
5.
Engine Coolant Fan
© 2019-2026 Copyright www.buregal6.com
