U1418

U1418-IMPLAUSIBLE RIGHT WHEEL DISTANCE SIGNAL RECEIVED







Theory of Operation

The ABS Module sends an implausible distance signal over the CAN C Bus circuit to the PCM.

- When Monitored:
Ignition on.

- Set Condition:
The PCM gets an implausible signal over the CAN C circuit from the ABS Module. The circuit is continuously monitored. One Trip fault.





Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Pre-Diagnostic Troubleshooting Procedure.

1. ACTIVE DTC
1. Ignition on, engine not running.
2. With a scan tool, select View DTCs.

Is the U1418-IMPLAUSIBLE RIGHT WHEEL DISTANCE SIGNAL RECEIVED Active at this time?

Yes

- Go To 2

No

- Refer to the INTERMITTENT CONDITION Diagnostic Procedure. Intermittent Condition Test

2. ABS MODULE IS ACTIVE ON THE CAN C BUS
1. With the scan tool, select ECU View.
2. Verify that the ABS Module active on the bus.

Is the ABS Module Active on the bus?

Yes

- Go To 3

No

- Communications - Verbose Codes for No Response diagnostic procedures.
- Perform the BODY VERIFICATION TEST, Body Verification Test.

3. DTCS STORED OR ACTIVE IN THE ABS MODULE
1. Check for DTCs in the ABS Module.

Are any DTCs active or stored in the ABS Module?

Yes

- Perform the diagnostic procedure for the DTCs in the ABS Module.
- Perform the ABS VERIFICATION TEST, ABS Verification Test.

No

- Go To 4

4. ACTIVE DTCS IN THE TIPM
1. With the scan tool, select ECU View and select TIPM.
2. With the scan tool, read Active DTCs.

Are any Communication DTCs active in the TIPM relating to the ABS System?

Yes

- Replace the ABS Module.
- Perform the POWERTRAIN VERIFICATION TEST. Powertrain Verification Test

No

- Replace and program the Powertrain Control Module.
- Perform the POWERTRAIN VERIFICATION TEST. Powertrain Verification Test