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Home >> Lexus >> 2021 >> ES 300h Base >> Repair and Diagnosis (Single Page) >> Restraints >> Restraints Control Systems >> Pre-Collision System (Hybrid) - Diagnostic Codes >> PRE-COLLISION SYSTEM (for HV Model) >> DTC U0418-81: Invalid Data Received from Brake System Control Module Invalid Serial Data Received [06/2018 - 08/2021] >> Description

DTC U0418-81: Invalid Data Received from Brake System Control Module Invalid Serial Data Received [06/2018 - 08/2021]: Description

The skid control ECU (brake booster with master cylinder assembly) sends signals indicating the status of the electronically controlled brake system to the forward recognition camera via CAN communication.

If the forward recognition camera receives an electronically controlled brake system malfunction signal from the skid control ECU (brake booster with master cylinder assembly), it will store this DTC.

DTC No. Detection Item DTC Detection Condition Trouble Area
U0418-81 Invalid Data Received from Brake System Control Module Invalid Serial Data Received When the power switch is on (IG) for 3 seconds or more, the forward recognition camera receives electronically controlled brake system malfunction signal from the skid control ECU (brake booster with master cylinder assembly) for 1 second or more.
  • Electronically controlled brake system
  • Forward recognition camera
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