LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2025 >> NX 350h >> Repair and Diagnosis >> External Pages >> Different car >> Section 31 (Engine Control System - Diagnostic Codes (P111C-P1364)) >> SFI System >> DTC P12D5-01: Fuel Pump Control General Electrical Failure [03/2022 - ] >> Description

DTC P12D5-01: Fuel Pump Control General Electrical Failure [03/2022 - ]: Description

WARNING: This page is about a different car, the 2025 Lexus NX 250, 2024 Lexus NX 250, 2023 Lexus NX 250, and 2022 Lexus NX 250. However, it is still accessible from the selected car via links, so may be relevant.

Refer to DTC P0627-12.

Refer to DTC P0627-12: Fuel Pump "A" Control Circuit Short to Battery [03/2022 - ]

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Note
P12D5-01 Fuel Pump Control General Electrical Failure When the fuel pump control ECU operation duty ratio is 3 to 65%, the fuel pump control ECU detects a short in the fuel pump circuit 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 control ECU
Comes on
  • SAE Code: P12D5
  • DTC for Mexico Models: Applies
RELATED DATA LIST

DTC No. Data List
P12D5-01 Fuel Pump Control Duty Ratio