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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Electrical System Overload
The vehicle has fuses and circuit
breakers to protect against an
electrical system overload.
When the current electrical load is
too heavy, the circuit breaker opens
and closes, protecting the circuit
until the current load returns to
normal or the problem is fixed. This
greatly reduces the chance
DTC C056D
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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