7000 - 7999: 7270

7270-IMPLAUSIBLE FRONT WHEEL SPEED MESSAGE RECEIVED

For a complete wiring diagram Refer to the Wiring Information 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 an incorrect wheel speed sensor signal for approximately 200 mSec.





1. CHECK IF DTC 7271-IMPLAUSIBLE FRONT WHEEL SPEED MESSAGE RECEIVED IS PRESENT
1. With the scan tool, read the DTCs.

Is DTC 7271-IMPLAUSIBLE FRONT WHEEL SPEED MESSAGE RECEIVED present?

Yes

- Go To 2

No

- Refer to the ABS-INTERMITTENT CONDITION TEST. Testing and Inspection

2. WHEEL SPEED SENSOR DTCS
1. 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.