DTC 3-1

Pulser/Different Diameter Tire
Diagnostic Trouble Code (DTC) 3-1 to 3-8: Pulser Diagnosis

The ABS control unit monitors the wheel sensor signals during the regular diagnosis (during driving). It turns the ABS indicator light on if it detects a periodic change in the wheel sensor signal of each wheel caused by a chipped pulser gear, etc.

Possible causes:

- Chipped pulser gear

- Improperly installed wheel sensor