Vehicle speed signal faulty

Read the instructions below then start the fault diagnostic procedure.

Symptom: Vehicle speed symbol in the display does not match vehicle speedometer.

Vehicle speed signal faulty

Fault symptom

Vehicle speed symbol in the display does not match vehicle speedometer.

Preconditions

Vehicle driven over 20 km/h.

GPS reception > 2 on reception scale.

Diagnostic help

Check the speed indicator in the navigation unit while driving.

Reset the system before starting fault diagnosis and recalibrate.

See also the description of read values under ”General fault diagnosis” for more information.