Diagnostic Test
WARNING: This page is about a different variant/trim than selected.
- ACTIVE DTC
- Ignition on, engine not running.
- With the scan tool, select View DTCs.
Is the U1412-IMPLAUSIBLE VEHICLE SPEED SIGNAL RECEIVED Active at this time?
Yes
- Go To 2.
No
- Refer to INTERMITTENT CONDITION and perform 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 DIAGNOSIS AND TESTING and perform the U0002-CAN C Bus Off Performance diagnostic procedure.
No
- Go To 3.
- Continue reading DTCs.
- ABS MODULE IS ACTIVE ON THE CAN C BUS
- With the scan tool, select ECU View.
- Verify that the ABS Module is active on the bus.
Is the ABS Module active on the bus?
Yes
- Go To 4.
No
- Refer to Diagnosis and Testing and perform the No Response from ABS diagnostic procedure.
- ACTIVE DTCS IN THE BODY CONTROL MODULE (BCM)
- With the scan tool, select ECU View and select BCM.
- With the scan tool, read Active DTCs.
Is the U0002-CAN C BUS OFF PERFORMANCE active in the BCM at this time?
Yes
- Replace the ABS Module in accordance with the Service Information. Refer to MODULE, Anti-Lock Brake System , Removal .
- Refer to Standard Procedure and perform the ABS VERIFICATION TEST.
No
- Replace and program the Powertrain Control Module (PCM) in accordance with the Service Information. Refer to MODULE, Powertrain Control , Removal .
- Refer to POWERTRAIN VERIFICATION TEST and perform the POWERTRAIN VERIFICATION TEST.