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Home >> Lexus >> 2024 >> TX 350 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 104 (Engine Control System - Diagnostic Codes (5 Of 7)) >> SFI SYSTEM (for 1Motor-HEV Model) >> DTC P12D4-1D: Fuel Pump Control Circuit Current Out of Range [09/2023 - ] >> Description

DTC P12D4-1D: Fuel Pump Control Circuit Current Out of Range [09/2023 - ]: Description

WARNING: This page is about a different car, the 2024 Lexus TX 500h. 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
P12D4-1D Fuel Pump Control Circuit Current Out of Range When the fuel pump control ECU operation duty ratio is 3 to 65%, overcurrent in the fuel pump circuit is detected for 3 seconds or more (2 trip detection logic: except Mexico Models, 1 trip detection logic: for Mexico Models).
  • Short in fuel pump control ECU circuit
  • Fuel pump (for low pressure side)
  • Fuel pump (for low pressure side) locked
  • Foreign matter in the fuel
  • Fuel pump control ECU
Comes on / Does not come on Engine A
  • SAE Code: P12D4
  • DTC for Mexico Models: Applies
RELATED DATA LIST

DTC No. Data List
P12D4-1D Fuel Pump Control Duty Ratio