Buick Regal 2018-2026 Service Manual / Accessories and Equipment / Immobilizer / Repair Instructions
Buick Regal: Repair Instructions
- Theft Deterrent Module Replacement
- Key with Integrated Transmitter Programming (without BTM)
- Key with Integrated Transmitter Programming (with BTM)
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Theft Deterrent Module Replacement
Preliminary Procedure
Front Floor Console Replacement.
Theft Deterrent Module
Procedure
Disconnect the electrical connector.
Control Module References for programming and setup information, if
Key with Integrated Transmitter Programming (without BTM)
Keys can be programmed in various ways using the procedures outlined below.
Using the Replacing
Keys procedures will first erase all the known keys from the vehicle. Any
existing keys and any new
ke
Key with Integrated Transmitter Programming (with BTM)
Keys can be programming in various ways using the procedures outlined below.
Using the Replacing
Keys procedure will first erase all the known keys from the vehicle. Any
existing keys and any new ke
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DTC C1588
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
DT
Symptoms - HVAC Systems - Automatic
NOTE: The following steps must be completed before using the symptom
tables:
1. Perform the Diagnostic System Check - Vehicle before using the HVAC System
Malfunction
procedure in order to verify that all of the following are true:
There are no DTCs set.
The control modules can communicate via
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