B320B

DTC B320A or B320B

DTC Descriptor
DTC B320A 39
- Front Door Window Motor Internal Electronic Failure / Discard

DTC B320A 4B
- Front Door Window Motor Calibration Not Learned

DTC B320A 42
- Front Door Window Motor Calibration Data Set Not Programmed

DTC B320B 39
- Rear Door Window Motor Internal Electronic Failure / Discard

DTC B320B 4B
- Door Window Motor Calibration Not Learned

DTC B320B 42
- Rear Door Window Motor Calibration Data Set Not Programmed

DTC B320C 39
- Middle Door Window Motor Internal Electronic Failure / Discard

DTC B320C 4B
- Middle Door Window Motor Calibration Not Learned

DTC B320C 42
- Middle Door Window Motor Calibration Data Set Not Programmed

Diagnostic Fault Information

* Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. Initial Inspection and Diagnostic Overview
* Strategy Based Diagnosis
* Diagnostic Procedure Instructions

Circuit/System Description

The front door, rear door and middle door power window motors communicate with the drivers door module (DDM), passenger door module (PDM) and rear door modules and middle door modules over the LIN BUS. The motors contain a logic module which must be normalized or programmed any time the window motor is serviced to provide proper operation and communication between door modules and window motors.

Conditions for Running the DTC

Power window switch activated.

Conditions for Setting the DTC

Front Door, Rear Door or Middle Door Window Motor Not Normalized/Programmed.

Action Taken When the DTC Sets

Express Up function is prohibited.

Conditions for Clearing the DTC

Affected power window motor must be Normalized/Programmed.

Circuit/System Verification

Verify that DTC B320A, B320B or B320C is not set.

If the DTC is set, program the affected power window motor, refer to Window Regulator Motor Programming and Setup. If the DTC resets, replace the affected power window motor.

Repair Instructions

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.

* Front Side Door Window Regulator Replacement
* Front Side Door Window Regulator Motor Replacement
* Rear Side Door Window Regulator Motor Replacement
* Window Motor Programming - Express Function Verification Tests