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Monitor DTC Status





P2196 O2 Sensor Signal Stuck Rich (Bank 1 Sensor 1)

Scantool Diagnostics

Monitor DTC Status

NOTE:
If any codes relating to Rear HO2S or TWC (Three Way Catalyst Converter) are stored, do ALL REPAIRS associated with those codes before proceeding with this troubleshooting tree.

1. Connect GDS and select "DTC Analysis" mode.
2. Click "DTC Status" on the menu bar to see DTC's information.
3. Confirm that "DTC Readiness Flag" indicates "COMPLETED". 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.





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