Diagnostic Test
- ACTIVE DTC
Ignition on, engine not running.
With a scan tool, select View DTCs.
Is the U1412-IMPLAUSIBLE VEHICLE SPEED SIGNAL RECEIVED Active at this time?
Yes
- Go To 2.
No
- Refer to the INTERMITTENT CONDITION Diagnostic Procedure.
- U0001-NO COMMUNICATION ON THE CAN C BUS CIRCUIT IS ACTIVE
Continue reading DTCs.
Is the U0001-NO COMMUNICATION ON THE CAN C BUS CIRCUIT ACTIVE at this time?
Yes
- Refer to the Diagnostic Procedure for the U0001-CAN C BUS .
No
- Go To 3.
- ABS MODULE IS ACTIVE ON THE CAN C BUS
With the scan tool, select ECU View.
Verify that the ABS Module active on the bus.
Is the ABS Module Active on the bus?
Yes
- Go To 4.
No
- Refer to DIAGNOSIS AND TESTING for No Response diagnostic procedures.
- Perform BODY VERIFICATION TEST - VER 1 .
- ACTIVE DTCS IN THE TIPM
With the scan tool, select ECU View and select TIPM.
With the scan tool, read active DTCs.
Is the U0001-NO COMMUNICATION ON THE CAN C BUS CIRCUIT ACTIVE in the TIPM at this time?
Yes
- Replace the ABS Module per Service Information.
- Perform POWERTRAIN VERIFICATION TEST .
No
- Replace and program the Powertrain Control Module per Service Information.
- Perform POWERTRAIN VERIFICATION TEST .