DTC P0190-15: Fuel Rail Pressure Sensor "A" Circuit Short to Battery or Open [10/2022 - ]: Description

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

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 is 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 - ]