Buick Encore: Immobilizer
Schematic wiring diagrams
IMMOBILIZER WIRING SCHEMATICS (ENCORE)
Immobilzer System

Fig. 1: Immobilzer System
IMMOBILIZER WIRING SCHEMATICS (Encore)
Immobilzer System

Fig. 2: Immobilzer System
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DTC B2955: Security sensor data circuit
DIAGNOSTIC CODE INDEX
DTC B2955: SECURITY SENSOR DATA CIRCUIT
Diagnostic Instructions
Perform the Diagnostic System Check - Vehicle prior to using this
THEFT DETERRENT MODULE REPLACEMENT (ENCORE)
Fig. 3: Theft Deterrent Module (Encore)
Theft Deterrent Module Replacement (Encore)
THEFT DETERRENT MODULE REPLACEMENT (Encore)
Fig. 4: Theft Deterren
IMMOBILIZER DESCRIPTION AND OPERATION
Fig. 5: Immobilizer Diagram Without BTM
The immobilizer system functions are provided by the body control module (BCM)
and the engine control
module (ECM), as
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Onstar description and operation
This OnStar system consists of the following components:
Telematics communication interface control module
OnStar three button assembly
Microphone
Cellular antenna
Navigation antenna
Bluetooth antenna (If equipped)
Back up battery (If equipped)
This system a
If a person of adult size is sitting in
the front outboard passenger seat,
but the OFF indicator is lit, it could
be because that person is not sitting
properly in the seat. Use the
following steps to allow the system
to detect that person and enable the
front outboard passenger frontal
airbag and