LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2017 >> RC 350 Base, RWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Pre-Collision System - Diagnostic Codes (2 Of 2) & Circuit Tests >> Pre-Collision System >> DTC U0319-51: Software Incompatibility with Steering Effort Control Module Not Programmed; DTC U0319-57: Software Incompatibility with Steering Effort Control Module Invalid/Incompatible Software Component [10/2022 - ] >> Description
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC U0319-51: Software Incompatibility with Steering Effort Control Module Not Programmed; DTC U0319-57: Software Incompatibility with Steering Effort Control Module Invalid/Incompatible Software Component [10/2022 - ]: Description

The forward recognition camera receives the VGRS vehicle specification information from the VGRS ECU (front steering control ECU) via a CAN communication line.

When the forward recognition camera cannot confirm the vehicle information from the VGRS system vehicle specification information sent from the VGRS ECU (front steering control ECU), DTC U0319-51 is stored.

When the value of the VGRS system vehicle specification information sent from the VGRS ECU (front steering control ECU) does not match the value stored in the forward recognition camera, the forward recognition camera stores DTC U0319-57.

DTC No. Detection Item DTC Detection Condition Trouble Area
U0319-51 Software Incompatibility with Steering Effort Control Module Not Programmed After 3 seconds have elapsed since the engine switch is turned to on (IG), information sent from the VGRS ECU (front steering control ECU) indicating whether the vehicle is equipped with VGRS cannot be confirmed for 10 seconds or more
  • Variable gear ratio steering system
  • VGRS ECU (front steering control ECU)
U0319-57 Software Incompatibility with Steering Effort Control Module Invalid/Incompatible Software Component After 3 seconds have elapsed since the engine switch is turned to on (IG), the value of information sent from the VGRS ECU (front steering control ECU) indicating whether the vehicle is equipped with VGRS does not match the value stored in the forward recognition camera for 3 seconds or more
  • Variable gear ratio steering system
  • VGRS ECU (front steering control ECU)