DTC U0140[00] Lost Communication With BCM / CAN Converter (Stereo Camera)

1. Stereo camera system check

Refer to "75.Driver Assistance System 10W.Troubleshooting(Stereo Camera) diagnostic system check-stereo camera".

2. Current DTC check

1) Connect the scan tool.

2) Turn ON the ignition switch.

3) Observe the DTC information with a scan tool. Is a DTC set?

Yes

=>Go to BCM communication verification.

No

Go to Intermittent conditions of stereo camera.

Refer to "233.Driver Assistance System 46D.Symptom(Stereo Camera) intermittent conditions of stereo camera".

3. BCM communication verification

1) Use the scan tool to communicate with the BCM to display the data. Can communication with the BCM be established?

Yes

=>Go to BCM DTC check.

No

Go to Lost communication with the BCM.

Refer to "64.Body Control 10I.Troubleshooting(BCM) lost communication with the BCM (models with radar sensor/ stereo camera)".

4. BCM DTC check

1) Observe the BCM DTC information on the scan tool. Is a DTC set?

Yes

Go to the applicable DTC diagnosis.

No

=>Go to Body CAN communication circuit inspection and Chassis CAN communication circuit inspection.

5. Body CAN communication circuit inspection and Chassis CAN communication circuit inspection

1) Perform the Body CAN communication circuit inspection and Chassis CAN communication circuit inspection.

Refer to "64.Body Control 10I.Troubleshooting(Central GateWay) body CAN communication circuit inspection".

Refer to "64.Body Control 10I.Troubleshooting(Central GateWay) chassis CAN communication circuit inspection".

Procedure completion

=>Go to Current DTC follow-up check.

6. Current DTC follow-up check

1) Clear the DTC with a scan tool.

2) Turn OFF the ignition switch for 30 seconds or more.

3) Turn ON the ignition switch.

4) Observe the DTC information with a scan tool. Is a DTC set?

Yes

=>Go to Stereo camera replacement.

No

=>Go to Repair verification.

7. Stereo camera replacement

Refer to "9.Body, Cab, Accessories 9E.Instrumentation, Driver Info. stereo camera removal".

Refer to "9.Body, Cab, Accessories 9E.Instrumentation, Driver Info. stereo camera installation".

Refer to "9.Body, Cab, Accessories 9E.Instrumentation, Driver Info. stereo camera setting".

Refer to "9.Body, Cab, Accessories 9E.Instrumentation, Driver Info. stereo camera writing".

Procedure completion

=>Go to Repair verification.

8. Repair verification

1) Clear the DTC with a scan tool.

2) Turn OFF the ignition switch for 30 seconds or more.

3) Turn ON the ignition switch.

4) Observe the DTC information with a scan tool.