DTC P0451: FTP Sensor Circuit Range / Performance Problem
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2020 Honda Fit, 2019 Honda Fit, 2018 Honda Fit, 2017 Honda Fit, and 2016 Honda Fit. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
- Before you troubleshoot, review the general troubleshooting information - Refer to: HOW TO TROUBLESHOOT THE FUEL AND EMISSIONS SYSTEMS or How to Troubleshoot the CVT System (CVT) .
- If DTC P2422 is stored at the same time as DTC P0451, troubleshoot DTC P2422 first, then recheck for DTC P0451.
| DTC Description | Confirmed DTC | Pending DTC | Freeze Frame |
|---|---|---|---|
| P0451 FTP Sensor Circuit Range/Performance Problem |
DTC (PGM-FI)
- Problem verification:
- 1. Turn the vehicle to the ON mode.
- 2. Clear the DTC with the HDS.
- 3. Start the engine, and let it idle for 1 minute.
- 4. Monitor the OBD STATUS for DTC P0451 in the DTCs MENU with the HDS.
DTC Description OBD STATUS P0451 FTP Sensor Circuit Range/Performance Problem Does the HDS indicate FAILED?
YES
The failure is duplicated. Replace the FTP sensor .
NO
If the HDS indicates PASSED, intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the FTP sensor and the PCM. If the freeze data/on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the freeze data/on-board snapshot. If the HDS indicates NOT COMPLETED, keep idling until a result comes on.