Engine Controls - MIL ON/DTC P0451 Is Set
06-078July 23, 2011
Applies To: 2007 Fit - From VIN JHMGD3...78000001 thru JHMGD3...78017916
MIL Is On With DTC P0451
(Supersedes 06-078, dated November 8, 2006, to update the information marked by the black bars)
REVISION SUMMARY
SYMPTOM
The MIL is on with PGM-FI DTC P0451 (FTP [fuel tank pressure] sensor circuit range/performance problem).
PROBABLE CAUSE
The ECM/PCM is misinterpreting the FTP sensor input.
CORRECTIVE ACTION
Use the HDS (with software version 2.005.008 (or later) to update the ECM/PCM PGM-FI software. Refer to Service Bulletin 01-026, Updating the ECM/PCM.
SOFTWARE INFORMATION
WARRANTY CLAIM INFORMATION
REPAIR PROCEDURE
Use the HDS to retrieve DTC P0451 freeze data and/or the OBS (on-board snapshot), and review the VSS (vehicle speed sensor) value.
^ If the VSS is less than 5 mph, use the HDS with software version 2.005.008 (or later) to update the ECM/PCM PGM-FI software.
^ If the VSS is more than 5 mph, continue with normal troubleshooting. To use online troubleshooting, type in the Keyword P0451 in the SEARCH BY VEHICLE screen, or refer to the Fuel and Emissions section of the 2007 Fit Service Manual.
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