4000 - 4999: 4542

4542-WHEEL SPEED SENSOR - RPM IMPLAUSIBLE SIGNAL ON 2 SENSORS

For a complete wiring diagram consult Diagrams/Electrical Electrical Diagrams


- When Monitored:

Continuously with the ignition on, one invalid message received at least once.

- Set Condition:

When the Anti-Lock Brake Module detects two incorrect wheel speed sensor signals for approximately 200 mSec.









1. CHECK IF 4542 WHEEL SPEED - RPM IMPLAUSIBLE SIGNAL ON 2 SENSORS DTC IS PRESENT

With the scan tool, read the DTCs.

Is DTC 4542 Wheel Speed - RPM Implausible Signal On 2 Sensors present?

Yes

- Go To 2

No

- Perform the ABS INTERMITTENT CONDITION diagnostic procedure.




2. WHEEL SPEED SENSOR DTCS

With the scan tool, read the DTCs.

Are any other Wheel Speed Sensor DTCs present?

Yes

- Refer to appropriate wheel speed sensor diagnostic procedure.
- Perform ABS VERIFICATION TEST. Verification Tests

No

- Replace the Anti-Lock Brakes Module.
- Perform ABS VERIFICATION TEST. Verification Tests