U1505

U1505-IMPLAUSIBLE MESSAGE DATA LENGTH RECEIVED FROM FDCM

For a complete wiring diagram refer to the Wiring Information Electrical Diagrams.

- When Monitored:
Continuously with the ignition on.

- Set Condition:
When the Anti-Lock Brake Module detects an incorrect CAN message from the FCM.





CHECK IF FCM CAN BUS DTCs.ARE PRESENT
1. With the scan tool, read FCM DTCs.

Are there any FCM CAN BUS DTCs.present?

Yes

- Diagnose the appropriate symptom Testing and Inspection.

No

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