Scantool Diagnostics

P0121 Throttle/Pedal Position Sensor/Switch \'A\' Circuit Range/Performance

Scantool Diagnostics

Monitor DTC Status

NOTE:
If any DTCs relating to TPS are stored, do ALL REPAIRS associated with those codes before proceeding with further troubleshooting

1. Connect GDS and select "Diagnostic Trouble Codes (DTCs)" mode.
2. Click "DTC Status" on the menu bar to see DTC's information.
3. Confirm that "DTC Readiness Flag" indicates "Complete". If not, drive the vehicle within conditions noted in the freeze frame data or enable conditions.
4. Read "DTC Status" parameter.




5. Is parameter displayed "History (Not Present) fault"?

NOTE:
- History (Not Present) fault : DTC occurred but has been cleared.
- Present fault : DTC is occurring at present time.