Incorrect Tone Wheel Failure

Symptom:
INCORRECT TONE WHEEL FAILURE

When Monitored and Set Condition:
INCORRECT TONE WHEEL FAILURE

When Monitored: Key ON. Vehicle speed above 40 km/in (25mph) for 2 minutes.

Set Condition: When the CAB detects an unexpected wheel speed condition caused by a tire size that does not meet vehicle specification.

POSSIBLE CAUSES
CAB - SETTING FALSE CODE
TIRES NOT TO SPECIFICATION