Diagnostic Flow Chart

Diagnostic Flow Chart





- Know and understand the customer concerns.

- Verify the concern by operating the vehicle.

- Check the transmission fluid level and condition.

- Check for non-factory-installed items and verify correct installation.

- Check the selector lever linkage adjustments.

- Check TSBs for vehicle concerns.

- Carry out self-test, both Key ON Engine OFF (KOEO) and Key ON Engine Running (KOER).

- Record all codes.

Diagnostic Flow Chart