Transmission Control Systems

Trouble Code 38-Torque Control Signal





8H1: CHECK HARNESS CONNECTOR BETWEEN TCM AND ECM.





8H2: CHECK HARNESS CONNECTOR BETWEEN TCM AND ECM.





8H3: CHECK HARNESS CONNECTOR BETWEEN TCM AND ECM.





8H4: CHECK HARNESS CONNECTOR BETWEEN TCM AND ECM.





8H5: CHECK OUTPUT SIGNAL EMITTED FROM TCM.





8H6: CHECK OUTPUT SIGNAL EMITTED FROM TCM.





8H7: CHECK POOR CONTACT.





8H8: CONFIRM TROUBLE CODE 38.

Diagnosis:
- The signal circuit is open or shortened

Trouble Symptom
Excessive shift shock.





WIRING DIAGRAM