LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2018 >> NX 300 Base, FWD >> Repair and Diagnosis >> Accessories & Equipment >> Exterior Lights >> Lighting System (Triple Beam Headlight) - Diagnostic Codes & Symptom Tests >> LIGHTING SYSTEM (For Triple Beam Headlight) >> DTC B242C: Right Headlight ECU Malfunction; DTC B242D: Left Headlight ECU Malfunction [10/2014 - 09/2017] >> Description

DTC B242C: Right Headlight ECU Malfunction; DTC B242D: Left Headlight ECU Malfunction [10/2014 - 09/2017]: Description

These DTCs are output when an internal malfunction in the headlight light control ECU sub-assembly occurs.

The headlight light control ECU sub-assembly LH outputs DTC B242C and B242D.

DTC No. Detection Item DTC Detection Condition Trouble Area
B242C Right Headlight ECU Malfunction Headlight light control ECU sub-assembly RH malfunction Headlight light control ECU sub-assembly RH
B242D Left Headlight ECU Malfunction Headlight light control ECU sub-assembly LH malfunction Headlight light control ECU sub-assembly LH