U1501

U1501-IMPLAUSIBLE MESSAGE DATA LENGTH RECEIVED FROM PCM

For a complete wiring diagram Refer to Diagrams/Electrical. Electrical Diagrams


- When Monitored:

Continuously with the ignition on.

- Set Condition:

When the Anti-Lock Brake Module detects an incorrect CAN message from the Powertrain Control Module.








Diagnostic Test


1. CHECK IF PCM CAN BUS DTCs ARE PRESENT

With the scan tool, read BCM DTCs.

Are there any PCM CAN BUS DTCs present?

Yes

- Diagnose the appropriate symptom.
- Perform ABS VERIFICATION TEST. ABS Verification Test

No

- Go To 2



2. CHECK IF ENGINE DTCS ARE PRESENT

With the scan tool, read Engine DTCs.

Are there any Engine DTCs present?

Yes

- Perform ABS VERIFICATION TEST. ABS Verification Test

No

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