Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

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.