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Home >> Lexus >> 2019 >> RC F >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Headlights >> Automatic Headlight Beam Level Control System (Single Beam) - Diagnostic Codes & Circuit Tests >> AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL SYSTEM(for Single Beam Headlight) >> DTC B2420: HL AutoLeveling ECU Failure [09/2014 - 03/2019] >> Description

DTC B2420: HL AutoLeveling ECU Failure [09/2014 - 03/2019]: Description

When the headlight leveling ECU assembly detects a malfunction in itself, this DTC is stored.

DTC No. Detection Item DTC Detection Condition Trouble Area
B2420 HL AutoLeveling ECU Failure Malfunction of headlight leveling ECU assembly Headlight leveling ECU assembly
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