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Home >> Lexus >> 2020 >> ES 300h Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 77 (Dynamic Radar Cruise Control System (Except Hybrid) - Diagnostic Codes & Circuit Tests) >> DYNAMIC RADAR CRUISE CONTROL SYSTEM (for Gasoline Model) >> DTC U0401-81: Invalid Data Received from ECM/PCM "A" Invalid Serial Data Received [08/2020 - ] >> Description

DTC U0401-81: Invalid Data Received from ECM/PCM "A" Invalid Serial Data Received [08/2020 - ]: Description

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If the ECM cannot recognize the forward recognition camera. DTC U0401-81 is stored.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL DTC Output from
U0401-81 Invalid Data Received from ECM/PCM "A" Invalid Serial Data Received Approximately 17 seconds or more after the engine switch is turned on (IG), the ECM cannot recognize the forward recognition camera for approximately 2 seconds or more. ECM Does not come on Radar Cruise2