Possible Causes

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

• CAN communication line is open or shorted.
• Revolution sensor circuit open or shorted.
• Wheel sensor circuit open or shorted.
• Defective TCM.
• Defective VDC/TCS/ABS control unit.
• Defective instrument cluster.