Possible Causes

Malfunction is detected when ECM detects a difference between 2 vehicle speed signals is out of specified range. Possible causes are:

• Defective combination meter.
• Defective ECM.
• Harness or connectors (CAN communication line is open or shorted).
• Defective TCM.
• Defective VDC/TCS/ABS control unit.
• Defective wheel sensor.