2010 Cadillac CTS Sedan AWD V6-3.6L Page 293
No action is taken.
Conditions for Clearing the DTC
* A current DTC clears when the radio receives a proper status response message back from the radio control assembly.
* A history DTC clears after 50 malfunction-free ignition cycles.
Reference Information
Schematic Reference
Radio/Navigation System Schematics (See: Accessories and Optional Equipment/Diagrams/Electrical Diagrams/Radio/Navigation System
Schematics)
Connector End View Reference
Component Connector End Views (See: Diagrams/Connector Views)
Description and Operation
Radio/Audio System Description and Operation (See: Accessories and Optional Equipment/Description and Operation/Radio/Audio System
Description and Operation)
Electrical Information Reference
* Circuit Testing (See: Testing and Inspection/Component Tests and General Diagnostics/Circuit Testing/Circuit Testing)
* Connector Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/Connector Repairs/Connector Repairs)
* Testing for Intermittent Conditions and Poor Connections (See: Testing and Inspection/Component Tests and General Diagnostics/Circuit
Testing/Testing for Intermittent Conditions and Poor Connections)
* Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/Wiring Repairs/Wiring Repairs)
Scan Tool Reference
Control Module References (See: Testing and Inspection/Programming and Relearning) for scan tool information
Circuit/System Verification
Verify that DTC B1020 is not set.
If the DTC is set, replace the radio control assembly.
Repair Instructions
Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.
Radio Control Assembly Replacement (with Navigation Display) (See: Accessories and Optional Equipment/Radio, Stereo, and Compact
Disc/Radio/Stereo/Service and Repair/Radio Control Assembly Replacement (with Navigation Display))Radio Control Assembly Replacement
(without Navigation Display) (See: Accessories and Optional Equipment/Radio, Stereo, and Compact Disc/Radio/Stereo/Service and Repair/Radio
Control Assembly Replacement (without Navigation Display))
B1023
DTC B1023
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 Descriptor
DTC B1023 00
- Integral Switch Performance
Circuit/System Description
The driver door switch (DDS) and front passenger door switch (PDS) each contain switches that control power door lock and window functions.
The DDS also contains the control switch for the power outside rear view mirrors. These switches are integrated within the door control modules
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