DTC P0190-15: Fuel Rail Pressure Sensor "A" Circuit Short to Battery or Open [12/2023 - ]: Description

WARNING: This page is about a different car, the 2024 Lexus TX 550h+. 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	Open or short in fuel pressure sensor (for high pressure side) circuit 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

HINT:

When a DTC is output, check the Data List item "Fuel Pressure (High)" using the GTS.

Refer to DATA LIST / ACTIVE TEST [12/2023 - ]

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

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