LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2024 >> RX 500h >> Repair and Diagnosis >> External Pages >> Different car >> Section 105 (Engine Control System - Diagnostic Codes (P06AB-P12D0)) >> SFI System >> DTC P107A-15: Fuel Rail Pressure Sensor (Low) / Fuel Rail Pressure Sensor "B" Circuit Short to Battery or Open [08/2023 - ] >> Description

DTC P107A-15: Fuel Rail Pressure Sensor (Low) / Fuel Rail Pressure Sensor "B" Circuit Short to Battery or Open [08/2023 - ]: Description

WARNING: This page is about a different car, the 2025 Lexus RX 450h+, 2025 Lexus RX 350h, 2024 Lexus RX 450h+, 2024 Lexus RX 350h, and 2023 Lexus RX 350h. However, it is still accessible from the selected car via links, so may be relevant.

Refer to DTC P107A-11.

Refer to DESCRIPTION 

DTC No. Detection Item DTC Detection Condition Trouble Area MIL DTC Output from Priority Note
P107A-15 Fuel Rail Pressure Sensor (Low) / Fuel Rail Pressure Sensor "B" Circuit Short to Battery or Open The No. 2 fuel pressure sensor (for low pressure side) output voltage is higher than 4.85 V for 3 seconds or more (1 trip detection logic).
  • Open or short in No. 2 fuel pressure sensor (for low pressure side) circuit
  • No. 2 fuel pressure sensor (for low pressure side)
  • ECM
Comes on Engine A
  • SAE Code: P107D
  • DTC for Mexico Models: Applies

HINT: 

When this DTC is output, check the fuel pressure (for low pressure side) in the Data List. Enter the following menus: Powertrain / Engine / Data List / Fuel Pressure (Low) / Fuel Pressure 2.

DTC No. Fuel Pressure (Low) / Fuel Pressure 2 Malfunction
P107A-15 Approximately 750 kPag or higher
  • Short in VCPF to PFL circuit
  • Open in PFL circuit
  • Open in EPFL circuit

If the Data List values are normal, it may be due to a temporary recovery from the malfunction condition. Check for intermittent problems.

Refer to CHECK FOR INTERMITTENT PROBLEMS [10/2022 - ]