DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 124 (Engine Control System (A25A-FXS) - Diagnostic Codes (P1362-P16B0)) >> SFI System >> DTC P1450-11: Fuel Tank Pressure Sensor Circuit Short to Ground; DTC P1450-15: Fuel Tank Pressure Sensor Circuit Short to Battery or Open; DTC P1450-2A: Fuel Tank Pressure Sensor Signal Stuck in Range; DTC P1450-2F: Fuel Tank Pressure Sensor Signal Erratic [12/2019 - 10/2022] >> DTC Summary

DTC Summary

WARNING: This page is about a different variant/trim than selected.
DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note
P1450-11 Fuel Tank Pressure Sensor Circuit Short to Ground The output voltage of the fuel tank pressure sensor is less than 0.25 V for 0.5 seconds or more.
  • Fuel tank pressure sensor
  • Connector/wire harness (fuel tank pressure sensor - ECM)
  • ECM
Comes on DTC stored SAE Code: P1452
P1450-15 Fuel Tank Pressure Sensor Circuit Short to Battery or Open The output voltage of the fuel tank pressure sensor is higher than 4.95 V for 0.5 seconds or more.
  • Fuel tank pressure sensor
  • Connector/wire harness (fuel tank pressure sensor - ECM)
  • ECM
Comes on DTC stored SAE Code: P1453
P1450-2A Fuel Tank Pressure Sensor Signal Stuck in Range Fuel tank pressure sensor output voltage does not vary in certain time period.
  • Fuel tank pressure sensor
  • Connector/wire harness (fuel tank pressure sensor - ECM)
  • ECM
Comes on DTC stored SAE Code: P1451
P1450-2F Fuel Tank Pressure Sensor Signal Erratic Fuel tank pressure sensor output voltage fluctuates frequently in certain time period.
  • Fuel tank pressure sensor
  • Connector/wire harness (fuel tank pressure sensor - ECM)
  • ECM
Comes on DTC stored SAE Code: P1451
DTC No. Monitoring Item Detection Timing Detection Logic SAE Code
P1450-11 Fuel tank pressure sensor voltage low
  • EVAP monitoring (ignition switch off)
  • Ignition switch ON
1 trip P1452
P1450-15 Fuel tank pressure sensor voltage high P1453
P1450-2A Fuel tank pressure sensor constant voltage (Stuck monitor) EVAP monitoring (ignition switch off) 2 trip P1451
P1450-2F Fuel tank pressure sensor abnormal voltage fluctuation (Noise monitor)
  • EVAP monitoring (ignition switch off)
  • Ignition switch ON