( TL19E00K70900081810FAAT00 )

DTC Troubleshooting: 81

DTC 81:
Engine Control System (Including ECM/PCM) Malfunction

1. Check for PGM-FI System DTCs with the HDS.

Are any DTCs indicated?

YES | - | Troubleshoot the indicated PGM-FI system DTC(s).■
NO | - | Go to Step 2 .

1. Clear the DTCs with the HDS.

1. Test-drive the vehicle with the adaptive cruise control (ACC) activated.

1. Check for DTCs with the HDS.

Is DTC 81 indicated?

YES | - | Check for loose or poor connections. If the connections are OK, update the ACC unit, then recheck. If the ACC unit was already updated, replace the ACC unit. ■
NO | - | Intermittent failure. The system is OK at this time. Check for loose or poor connections.■