September 30: LEMON manuals is back up on a temporary server! Slowness is possible

Possible Causes

Vehicle Speed Sensor (VSS) malfunction is detected when almost zero MPH (zero km/h) signal is sent to ECM even while vehicle is moving. Possible causes are:

Harness or connectors (CAN communication line is open or shorted).
Harness or connectors (VSS circuit is open or shorted).
Defective wheel speed sensor.
Defective combination meter.
Defective VDC/TCS/ABS control unit.