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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.