2010 Cadillac Truck Escalade RWD V8-6.0L Hybrid Page 456
DTC B1453
Diagnostic Instructions
* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System
Check - Vehicle) prior to using this diagnostic procedure.
* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an
overview of the diagnostic approach.
* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure
Instructions) provides an overview of each diagnostic category.
DTC Descriptors
DTC B1453 01
- Run and Crank/On and Start Power Circuit - Short to Battery
DTC B1453 06
- Run and Crank/On and Start Power Circuit - Short to Ground or Open
Diagnostic Fault Information
Circuit/System Description
The Run and Crank/On and Start Power signal connects the Serial Data Gateway Module (SDGM) along with numerous other modules to the
vehicle 12-volt system through a fused relay in the fuse block - underhood. This relay is closed by the Body Control Module (BCM) based on the
key being in either the Run or Crank position.
Conditions for Running the DTC
Ignition voltage is between 9-16 volts.
B1453 01
Ignition is in ACC position.
B1453 06
Ignition is in RUN position.
Conditions for Setting the DTC
B1453 01
Run and Crank/On and Start Power Circuit is more than 2.5 volts.
B1453 06
Run and Crank/On and Start Power Circuit is less than 2.5 volts.
Action Taken When the DTC Sets
DTC B1453 is a Type C DTC.
Conditions for Clearing the DTC
DTC B1453 is a Type C DTC.
B1453 01
Run and Crank/On and Start Power Circuit is less than 2.5 volts.
B1453 06
Run and Crank/On and Start Power Circuit is more than 2.5 volts.
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