Buick Regal 2018-2026 Service Manual / Accessories and Equipment / Immobilizer
Buick Regal: Immobilizer
SCHEMATIC AND WIRING DIAGRAMS
IMMOBILIZER WIRING SCHEMATICS
Immobilizer
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DTC B2955 (with BTM)
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 B2955 (without BTM)
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:
Differential Carrier Assembly Replacement
Removal Procedure
1. Raise and support the vehicle.
2. Differential Carrier Assembly - Drain.
3. Exhaust Muffler - Remove.
4. Propeller Shaft - Remove.
5. Parking Brake Actuator - Disconnect.
6. Rear Wheel Drive Shaft - Remove.
7. Disconnect the differential carrier electrical connectors at t
DTC P158A
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 Based
Diagnosis
An overview of each diagnostic category can be found here:Diagnostic
Procedure
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