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Home >> Lexus >> 2024 >> RX 500h >> Repair and Diagnosis >> External Pages >> Different car >> Section 19 (Engine Control System - Diagnostic Codes (P0171-P0195)) >> SFI System >> DTC P0190-15: Fuel Rail Pressure Sensor "A" Circuit Short to Battery or Open [08/2023 - ] >> Description

DTC P0190-15: Fuel Rail Pressure Sensor "A" Circuit Short to Battery or Open [08/2023 - ]: Description

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Refer to DTC P0190-11.

Refer to DESCRIPTION 

DTC No. Detection Item DTC Detection Condition Trouble Area MIL DTC Output from Priority Note
P0190-15 Fuel Rail Pressure Sensor "A" Circuit Short to Battery or Open The fuel pressure sensor (for high pressure side) output voltage is higher than 4.9 V for 3 seconds or more (1 trip detection logic).
  • Open or short in fuel pressure sensor (for high pressure side) circuit
  • Fuel pressure sensor (for high pressure side)
  • ECM
Comes on Engine A
  • SAE Code: P0193
  • DTC for Mexico Models: Applies

HINT: 

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

DTC No. Fuel Pressure (High) Malfunction
P0190-15 Approximately 33000 kPag or higher
  • Short in VCPR to PR circuit
  • Open in PR circuit
  • Open in EPR 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 - ]