U1417
U1417-IMPLAUSIBLE LEFT WHEEL DISTANCE SIGNAL RECEIVED
For a complete wiring diagram, refer to the Wiring Information.
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 the scan tool, view DTCs.
Is the U1417-IMPLAUSIBLE LEFT WHEEL DISTANCE SIGNAL RECEIVED Active at this time?
Yes
- Go To 2
No
- Perform 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
- Perform the No Response from ABS diagnostic procedures. . No Response From ABS (Antilock Brake Module)
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 appropriate ABS diagnostics procedure. Testing and Inspection.
No
- Go To 4
4. ACTIVE DTCS IN THE FCM
1. With the scan tool, select ECU View and select FCM.
2. With the scan tool, read Active DTCs.
Are any Communication DTCs active in the FCM relating to the ABS System?
Yes
- Replace the ABS Module.
- Perform the ABS VERIFICATION TEST. ABS Verification Test.
No
- Replace and program the Powertrain Control Module.
- Perform the POWERTRAIN VERIFICATION TEST. Powertrain Verification Test.