Buick Regal 2018-2025 Service Manual / Accessories and Equipment / Immobilizer
Buick Regal: Immobilizer
SCHEMATIC AND WIRING DIAGRAMS
IMMOBILIZER WIRING SCHEMATICS
Immobilizer
.png)
READ NEXT:
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:
Cooling Fan Description and Operation
System Overview
The engine cooling fan system consists of 2 electric cooling fans and 3 fan
relays. The cooling fan relays
are arranged in a series/parallel (S/P) configuration. This allows the engine
control module (ECM) to
operate both fans together at low or high speeds using 2 fan control circ
DTC B25FA or B25FB
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 provides an overview of each
diagnostic category.
DTC Descriptors
D
© 2019-2025 Copyright www.buregal6.com
