Chevrolet Trax: DTC B3697: Sunroof actuator

Diagnostic Instructions

• Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.
• Review Strategy Based Diagnosis for an overview of the diagnostic approach.
• Diagnostic Procedure Instructions provides an overview of each diagnostic category.

DTC Descriptors

DTC B3697 00

Sunroof Actuator Malfunction

DTC B3697 39

Sunroof Actuator Internal Malfunction

DTC B3697 42

Sunroof Actuator Calibration Not Programmed

DTC B3697 4B

Sunroof Actuator Calibration Not Learned

Circuit/System Description

The sunroof glass is controlled by its own integrated motor/controller containing the necessary electronics, motor, hall effect position sensors, as well as the interface to the driver control switches. The motor/controller is capable of controlling motion based on control switch activation and serial data message commands from the body control module (BCM).

Conditions for Running the DTC

The ignition is ON.

Conditions for Setting the DTC

B3697 00

The sunroof control module has detected and reported via serial data that the sunroof actuator has a malfunction.

B3697 39

The sunroof control module has detected and reported via serial data that the sunroof actuator has an internal malfunction.

B3697 42

The sunroof control module has detected and reported via serial data that the sunroof actuator is not programmed.

B3697 4B

The sunroof control module has detected and reported via serial data that the sunroof actuator calibration is not learned.

Action Taken When the DTC Sets

DTC B3697 is stored in the BCM memory.

Conditions for Clearing the DTC

The BCM no longer detects a malfunction in the sunroof actuator.

Reference Information

Schematic Reference

Sunroof Schematics (Encore), Sunroof Schematics (Trax)

Connector End View Reference

WIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS - INDEX - ENCORE WIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS - INDEX - TRAX

Description and Operation

Sunroof Description and Operation

Electrical Information Reference

• Circuit Testing
• Connector Repairs
• Testing for Intermittent Conditions and Poor Connections
• Wiring Repairs

Scan Tool Reference

Control Module References for scan tool information

Circuit/System Verification

1. Ignition ON.
2. Verify DTC B3697 42 or DTC B3697 4B is not set.

• If DTC B3697 42 or DTC B3697 4B is set

1. Calibrate the K61 Sunroof Control Module. Refer to Sunroof Motor/Actuator Initialization/Teach Process.
2. Verify DTC B3697 42 or DTC B3697 4B does not set while operating the sunroof.

• If DTC B3697 42 or DTC B3697 4B sets, replace the K61 Sunroof Control Module.
• If DTC B3697 42 or DTC B3697 4B does not set

3. All OK.

• If DTC B3697 42 or DTC B3697 4B is not set

3. Verify DTC B3697 00 or DTC B3697 39 is not set

• If DTC B3697 00 or DTC B3697 39 is set, replace the K61 Sunroof Control Module.
• If DTC B3697 00 or DTC B3697 39 is not set

4. All OK.

Repair Instructions

Perform the Diagnostic Repair Verification after completing the repair.

Control Module References for sunroof control module replacement, programming and setup

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