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DTC U0418-81: Invalid Data Received from Brake System Control Module Invalid Serial Data Received [12/2021 - ]: Description

for HV Model: 

for Gasoline Model: 

DTC No. Detection Item DTC Detection Condition Trouble Area
U0418-81 Invalid Data Received from Brake System Control Module Invalid Serial Data Received for HV Model: 
  1. When the ignition switch is ON for 3 seconds or more, the millimeter wave radar sensor assembly receives a brake control system malfunction signal from the brake actuator assembly (No. 2 skid control ECU) for 1 second or more.

for Gasoline Model: 
  1. When the ignition switch is ON for 3 seconds or more, the millimeter wave radar sensor assembly receives a brake control system malfunction signal from the brake actuator assembly (skid control ECU) for 1 second or more.
for HV Model: 
  • Millimeter Wave Radar Sensor Assembly
  • Brake actuator assembly (No. 2 skid control ECU)

for Gasoline Model: 
  • Millimeter Wave Radar Sensor Assembly
  • Brake actuator assembly (Skid control ECU)