2010 Cadillac Truck Escalade EXT AWD V8-6.2L Page 504
DTC B1722
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 B1722 01
- Mirror Power Fold Circuit Short to Battery
DTC B1722 02
- Mirror Power Fold Circuit Short to Ground
DTC B1722 04
- Mirror Power Fold Circuit Open
Diagnostic Fault Information
Circuit/System Description
The Driver Door Module (DDM) and Passenger Door Module (PDM) control the power folding or power extending functions of the outside
rearview mirrors. The folding mirror motors are controlled by using bi-directional motor controls through the folding mirror motor retract control
circuit and the folding mirror motor extend control circuit.
Conditions for Running the DTC
Battery voltage must be between 9-16 volts.
Conditions for Setting the DTC
An improper voltage level is seen on either the folding mirror motor retract control circuit or the folding mirror motor extend control circuit.
Action Taken When the DTC Sets
Power folding mirror operations are suspended as long as the fault is present.
Conditions for Clearing the DTC
* A current DTC will clear when the fault is no longer present.
* A history DTC will clear after 40 fault free ignition cycles.
Reference Information
Schematic Reference
Outside Rearview Mirror Schematics (See: Body and Frame/Mirrors/Diagrams/Electrical Diagrams/Outside Rearview Mirror Schematics)
Connector End View Reference
Component Connector End Views (See: Diagrams/Connector Views)
Description and Operation
Outside Mirror Description and Operation (Heated Mirrors) (See: Body and Frame/Mirrors/Description and Operation/Outside Mirror Description
and Operation (Heated Mirrors))Outside Mirror Description and Operation (Power Mirrors) (See: Body and Frame/Mirrors/Description and
Operation/Outside Mirror Description and Operation (Power Mirrors))
Electrical Information Reference
* Circuit Testing (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Circuit
Testing/Circuit Testing)
* Connector Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic
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Wednesday, November 13, 2019
2010 Cadillac Truck Escalade EXT AWD V8-6.2L Page 504
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