2010 Cadillac CTS Sedan AWD V6-3.6L Page 293

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