DTC U0101[00] Lost Communication With TCM (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 TCM 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. TCM communication verification

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

Yes

=>Go to TCM DTC check.

No

Go to Lost communication with the TCM.

Refer to "55.Transmission Control 5A.Troubleshooting(AWR6B45) lost communication with the TCM (models with radar sensor/ stereo camera)".

4. TCM DTC check

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

Yes

Go to the applicable DTC diagnosis.

No

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

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

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

Refer to "64.Body Control 10I.Troubleshooting(Central GateWay) powertrain 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

Note

  • Perform programming and learning after replacing the stereo camera.

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.