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Home >> Lexus >> 2024 >> TX 350 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 39 (Engine Control System - Diagnostic Codes (2 Of 6)) >> SFI System >> DTC P0190-2A: Fuel Rail Pressure Sensor "A" Signal Stuck in Range; DTC P0190-64: Fuel Rail Pressure Sensor "A" Signal Plausibility Failure [12/2023 - ] >> Description

DTC P0190-2A: Fuel Rail Pressure Sensor "A" Signal Stuck in Range; DTC P0190-64: Fuel Rail Pressure Sensor "A" Signal Plausibility Failure [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
P0190-2A Fuel Rail Pressure Sensor "A" Signal Stuck in Range Although engine has been stopped and left as is for a long time, high pressure side fuel pressure is higher or lower than threshold (2 trip detection logic).
  • Fuel pressure
  • Fuel pressure sensor (for high pressure side)
  • Open or short in fuel pressure sensor (for high pressure side) circuit
  • ECM
Comes on Engine B SAE Code: P0191
P0190-64 Fuel Rail Pressure Sensor "A" Signal Plausibility Failure When target high pressure side fuel pressure changes, the change in fuel pressure sensor value is abnormal (2 trip detection logic).
  • Fuel pressure
  • Fuel pressure sensor (for high pressure side)
  • Open or short in fuel pressure sensor (for high pressure side) circuit
  • ECM
Comes on Engine B SAE Code: P0191