( TL19E00K70900081900FAAT00 )

DTC Troubleshooting: 90

DTC 90:
A/T Control System and/or PGM-FI System

1. Check for A/T System DTCs with the HDS.

Are any DTCs indicated?

YES | - | Troubleshoot the indicated A/T control system DTC(s).■
NO | - | Go to Step 2 .

1. Clear the DTCs with the HDS.

1. Test-drive the vehicle.

1. Check for DTCs with the HDS.

Is DTC 90 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.■