FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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4D31






4D31-IMPLAUSIBLE/MISSING DATA RECEIVED FROM SCM

For a complete wiring diagram consult Diagrams/Electrical Electrical Diagrams


- When Monitored:

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

- Set Condition:

When the Anti-Lock Brake Module detects an incorrect CAN message from the SCM (steering angle sensor or SAS) for approximately 200 mSec.









1. CHECK IF STEERING ANGLE SENSOR DTCS ARE PRESENT

With the scan tool, read Steering Angle Sensor DTCs.

Are there any Steering Angle Sensor DTCs present?

Yes

- Go To 2

No

- Perform the ABS INTERMITTENT CONDITION diagnostic procedure.




2. STEERING ANGLE SENSOR

Replace the Steering Angle Sensor.

Perform ABS VERIFICATION TEST. Verification Tests

Road test the vehicle.

With the scan tool, read ABS diagnostics.

Did DTC 4D31-IMPLAUSIBLE/MISSING DATA RECEIVED FROM SCM reset?

Yes

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

No

- Test complete.