With Generic Scan Tool

Diagnostic Check
This test determines if the transmission or its inputs, outputs, connections, or sensors are failing.
1. Connect the Tech 2: GO THROUGH Tech 2 OBD II CONNECTION.
2. Turn on the ignition but not the engine.
3. Push "F0" on Tech 2 to see the Diagnostic Trouble Code (DTC):
4. Do you have a DTC?
YES: write down all code numbers and do the DTC CHECK
NO: the DTC can not help you finding the problem.
1. GO THROUGH "CHECK TRANS" CHECK. Description of On-Board Diagnostics
2. IF it is flashing and the flash is 0.8 seconds ON and 0.8 seconds OFF, this means that you should have a DTC stored. Please recheck. GO TO DIAGNOSTIC STRATEGIES for Diagnostic Check, and if you find the same problem replace the Powertrain Control Module (PCM).





Normal





Abnormal