Transmission Control Systems

Trouble Code 27-ATF Temperature Sensor





8D1: CHECK HARNESS CONNECTOR BETWEEN TCM AND ATF TEMPERATURE SENSOR.





8D2: CHECK HARNESS CONNECTOR BETWEEN TCM AND ATF TEMPERATURE SENSOR.





8D3: CHECK HARNESS CONNECTOR BETWEEN TCM AND ATF TEMPERATURE SENSOR.





8D4: CHECK HARNESS CONNECTOR BETWEEN TCM AND ATF TEMPERATURE SENSOR.





8D5: CHECK ATF TEMPERATURE SENSOR.





8D6: CHECK ATF TEMPERATURE SENSOR.





8D7: PREPARE SUBARU SELECT MONITOR.





8D8: CHECK INPUT SIGNAL FOR TCM.





8D9: CHECK INPUT SIGNAL FOR TCM USING SUBARU SELECT MONITOR.





8D10: CHECK INPUT SIGNAL FOR TCM USING SUBARU SELECT MONITOR.





8D11: CHECK POOR CONTACT.





8D12: CHECK HARNESS CONNECTOR BETWEEN TRANSMISSION AND ATF TEMPERATUE SENSOR.





8D13: CHECK HARNESS CONNECTOR BETWEEN TRANSMISSION AND ATF TEMPERTURE SENSOR.





8D14: CHECK HARNESS CONNECTOR BETWEEN TRANSMISSION AND ATF TEMPERATURE SENSOR.





8D15: CHECK HARNESS CONNECTOR BETWEEN TRANSMISSION AND ATF TEMPERATURE SENSOR.

Diagnosis:
Input signal circuit of TCM to ATF temperature sensor is open or shorted.

Trouble Symptom:
Excessive shift shock.





Wiring Diagram