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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Your vehicle is an important
investment. This section describes
the required maintenance for the
vehicle. Follow this schedule to help
protect against major repair
expenses resulting from neglect or
inadequate maintenance. It may
also help to maintain the value of
the vehicle if it is sold. It is th
IMPORTANT: The following steps must be completed before
using the symptom tables.
Perform the Diagnostic System Check - Vehicle before using the Symptom
Tables in order to verify that
all of the following are true:
There are no DTCs set.
The control modules can communicate via the serial d