System Inspection

SYSTEM INSPECTION
1. Verify that the following diagnostic trouble code is not displayed.

- P16O1 COMM LINE (A/T)-COMM ERROR

2. If the above code is displayed, carry out inspection following Symptom Troubleshooting.

NOTE: The torque reduction control signal is transmitted between the engine control module (ECM) and transaxle control module (TCM) via serial communication along with other control signals.