Buick Regal 2018-2025 Service Manual / Steering & Driveline & Axle / Power Steering / Diagnostic Information and Procedures
Buick Regal: Diagnostic Information and Procedures
- DTC C0176
- DTC C0460
- DTC C0475
- DTC C047A
- DTC C0545
- DTC C0569
- DTC C056D
- DTC C056D (Power Steering Control Module)
- DTC C056E (Power Steering Control Module)
- DTC C1436
- Symptoms - Power Steering System
READ NEXT:
DTC C0176
Diagnostic Instructions
Perform the Diagnostic System Check prior to using this diagnostic
procedure:Diagnostic System
Check - Vehicle
Review the description of Strategy Based Diagnosis:Strategy
DTC C0460
Diagnostic Instructions
Perform the Diagnostic System Check prior to using this diagnostic
procedure:Diagnostic System
Check - Vehicle
Review the description of Strategy Based Diagnosis:Strategy
DTC C0475
Diagnostic Instructions
Perform the Diagnostic System Check prior to using this diagnostic
procedure:Diagnostic System
Check - Vehicle
Review the description of Strategy Based Diagnosis:Strategy
SEE MORE:
Roof
Sunroof
If equipped, the sunroof only
operates when the ignition is on or
in ACC/ACCESSORY, or when
Retained Accessory Power (RAP) is
active.
Sunroof Switch
The vehicle may have one of two
different switch configurations.
Open/Close (Manual Mode) :
Press (1) or
(1) to the first
detent to open t
Schematic Wiring Diagrams
HEADLIGHTS/DAYTIME RUNNING LIGHTS (DRL) WIRING SCHEMATICS
Controls and Indicators
Halogen Lamps and Daytime Running Lamps (T4A)
Left LED Headlamp Power, Ground and Serial Data (T4L)
Left LED Low Beam Lamps, Cornering Lamp and Cooling Fan (T4L)
Left LED High Beam Lamps, and High Beam Spot (T4L)
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