DTC P12D0-13: Fuel Pump Control (All Phase) Circuit Open; DTC P12D1-13: Fuel Pump Control (U Phase) Circuit Open; DTC P12D2-13: Fuel Pump Control (V Phase) Circuit Open; DTC P12D3-13: Fuel Pump Control (W Phase) Circuit 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 P0627-12.

Refer to DESCRIPTION

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	MIL	DTC Output from	Priority	Note
P12D0-13	Fuel Pump Control (All Phase) Circuit Open	When the fuel pump control ECU operation duty ratio is 3 to 65%, an open is detected in the FPU, FPV and FPW circuit for 3 seconds or more (2 trip detection logic: except Mexico Models, 1 trip detection logic: for Mexico Models).	Open in fuel pump control ECU circuit Fuel pump control ECU Fuel pump (for low pressure side)	Except Mexico Models: Comes on For Mexico Models: Does not come on	Engine	A	SAE Code: P12D0 DTC for Mexico Models: Applies
P12D1-13	Fuel Pump Control (U Phase) Circuit Open	When the fuel pump control ECU operation duty ratio is 3 to 65%, an open is detected in the FPU circuit for 3 seconds or more (2 trip detection logic: except Mexico Models, 1 trip detection logic: for Mexico Models).	Open in fuel pump control ECU circuit Fuel pump control ECU Fuel pump (for low pressure side)	Except Mexico Models: Comes on For Mexico Models: Does not come on	Engine	A	SAE Code: P12D1 DTC for Mexico Models: Applies
P12D2-13	Fuel Pump Control (V Phase) Circuit Open	When the fuel pump control ECU operation duty ratio is 3 to 65%, an open is detected in the FPV circuit for 3 seconds or more (2 trip detection logic: except Mexico Models, 1 trip detection logic: for Mexico Models).	Open in fuel pump control ECU circuit Fuel pump control ECU Fuel pump (for low pressure side)	Except Mexico Models: Comes on For Mexico Models: Does not come on	Engine	A	SAE Code: P12D2 DTC for Mexico Models: Applies
P12D3-13	Fuel Pump Control (W Phase) Circuit Open	When the fuel pump control ECU operation duty ratio is 3 to 65%, an open is detected in the FPW circuit for 3 seconds or more (2 trip detection logic: except Mexico Models, 1 trip detection logic: for Mexico Models).	Open in fuel pump control ECU circuit Fuel pump control ECU Fuel pump (for low pressure side)	Except Mexico Models: Comes on For Mexico Models: Does not come on	Engine	A	SAE Code: P12D3 DTC for Mexico Models: Applies

RELATED DATA LIST

DTC No.	Data List
P12D0-13 P12D1-13 P12D2-13 P12D3-13	Fuel Pump Control Duty Ratio