B320B

DTC 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. Verification Tests
- Front Side Door Window Regulator Replacement
- Front Side Door Window Regulator Motor Replacement
- Rear Side Door Window Regulator Motor Replacement