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Home >> Toyota >> 2020 >> Highlander L, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 56 (Engine Control System (T24A-FTS) - Diagnostic Codes (08 Of 11)) >> SFI System >> 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

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 Toyota Highlander, 2024 Toyota Highlander, and 2023 Toyota Highlander. 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 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).
  • Open in fuel pump control ECU circuit
  • Fuel pump control ECU
  • Fuel pump (for low pressure side)
Comes on SAE Code: P12D0
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).
  • Open in fuel pump control ECU circuit
  • Fuel pump control ECU
  • Fuel pump (for low pressure side)
Comes on SAE Code: P12D1
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).
  • Open in fuel pump control ECU circuit
  • Fuel pump control ECU
  • Fuel pump (for low pressure side)
Comes on SAE Code: P12D2
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).
  • Open in fuel pump control ECU circuit
  • Fuel pump control ECU
  • Fuel pump (for low pressure side)
Comes on SAE Code: P12D3
RELATED DATA LIST

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