Service Information
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
Sunroof Actuator Malfunction
For symptom byte information refer to Symptom Byte List.
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 motor has detected and reported via serial data that the sunroof actuator has a malfunction.
B3697 39
The sunroof motor has detected and reported via serial data that the sunroof actuator has an internal malfunction.
B3697 42
The sunroof motor has detected and reported via serial data that the sunroof actuator is not programmed.
B3697 4B
The sunroof motor 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 ReferenceConnector End View ReferenceMaster Electrical Component List
Description and OperationSunroof Description and Operation
Electrical Information Reference- Circuit Testing
- Connector Repairs
- Testing for Intermittent Conditions and Poor Connections
- Wiring Repairs
Control Module References for scan tool information
Circuit/System Verification
- Ignition ON.
- Verify DTC B3697 42 or DTC B3697 4B is not set.
- If DTC B3697 42 or DTC B3697 4B is set
- Calibrate the K61 Sunroof Control Module. Refer to Sunroof/Sunshade Motor Initialization.
- 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
- All OK.
- If DTC B3697 42 or DTC B3697 4B is not set
- 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
- All OK.
Repair Instructions
Perform the Diagnostic Repair Verification after completing the repair.