Vehicle speed
â–¶ How to fix
Check that road speed sensor, T20, is not defective and has not been manipulated. The sensor is located on the propeller shaft.Check the ABS system.Clear fault codes.
What you'll see
No driver-visible symptom recorded.
System reaction
No system-reaction text recorded.
Diagnostic depth
Detection
Vehicle speed, measured by the road speed sensor, T20, differs too much from the vehicle speed measured by the ABS system.
Possible cause
The road speed sensor, T20, may have been manipulated. The road speed sensor, T20, may be defective.The ABS system indicates an incorrect vehicle speed.