DTC P0451:00: Notes

DTC P0451:00	Fuel tank pressure sensor range/performance problem
DETECTION CONDITION	NOTE: DTC P0451:00 is set for a fuel tank pressure sensor range (offset) concern. The fuel tank pressure sensor output is offset by +/- 424 Pa {43.2 kgf/m ² , 0.0615 psi} or more . Diagnostic support note This is an intermittent monitor (CCM). The check engine light illuminates if the PCM detects the above malfunction condition in two consecutive drive cycles or in one drive cycle while the DTC for the same malfunction has been stored in the PCM. PENDING CODE is available if the PCM detects the above malfunction condition during first drive cycle. FREEZE FRAME DATA (Mode 2)/Snapshot data is available. The DTC is stored in the PCM memory.
FAIL-SAFE FUNCTION	-
POSSIBLE CAUSE	Fuel tank pressure sensor connector or terminals malfunction PCM connector or terminals malfunction Fuel tank pressure sensor malfunction PCM malfunction
SYSTEM WIRING DIAGRAM	-