DTC Diagnosis Procedure

1.CHECK DTC PRIORITY

If DTC P0850 is displayed with DTC UXXXX, first perform the trouble diagnosis for DTC UXXXX.

Is applicable DTC detected?

Perform diagnosis of applicable. Refer to DTC Index

2.CHECK DTC WITH TCM

Check DTC with TCM. Refer to DTC Index

Is the inspection result normal?

Perform trouble shooting relevant to DTC indicated.

3.CHECK DTC WITH ELECTRIC SHIFT CONTROL MODULE

Check DTC with electric shift control module. Refer to DTC Index

Is the inspection result normal?

Perform trouble shooting relevant to DTC indicated.

4.CHECK TRANSMISSION RANGE SWITCH

Check the transmission range switch. Refer to Component Inspection

Is the inspection result normal?

Check intermittent incident. Refer to Intermittent IncidentIntermittent Incident

Replace transmission range switch. Refer to Removal and Installation