Buick Regal 2018-2026 Owners Manual / In Brief
Buick Regal: In Brief
- Instrument Panel
- Initial Drive Information
- Stop/Start System
- Door Locks
- Liftgate
- Seat Adjustment
- Memory Features
- Seat Belts
- Mirror Adjustment
- Interior Lighting
- Exterior Lighting
- Windshield Wiper/Washer
- Climate Controls
- Vehicle Features
- Performance and Maintenance
READ NEXT:
Instrument Panel
Instrument Panel Overview
Air Vents
Turn and Lane-Change Signals
Instrument Cluster
Driver Information Center (DIC)
Display
Windshield Wiper/Washer
Hazard Warning Flashers
Light Sensor
In
Stop/Start System
The vehicle may be equipped with a
fuel saving Stop/Start system to
shut off the engine and help
conserve fuel.
When the brakes are applied and
the vehicle is at a complete stop,
the engine may turn
SEE MORE:
DTC P2122, P2123, P2127, P2128, or P2138
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.
Diagnostic Procedure Instructions provide an overview of each diagnostic
category.
DTC Descriptors
DTC P2122
Brake Pressure Modulator Valve Bracket Replacement
Preliminary Procedure
Electronic Brake and Traction Control Module with Brake Pressure Modulator
Valve
Replacement (2.0L LTG) or Electronic Brake and Traction Control Module with
Brake
Pressure Modulator Valve Replacement (3.6L LGX)
Brake Pressure Modulator Valve Bracket Bolt
CAUTION:
Fastene
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