LED Headlight Right Circuit Malfunction
Table of contents
B2431 TOYOTA Possible Causes
- Faulty Headlight Unit Right
- Headlight Unit Right harness is open or shorted
- Headlight Unit Right circuit poor electrical connection
- Faulty Light Control ECU Right
- Faulty Integration Relay
- Faulty Main Body ECU (Multiplex Network Body ECU)
How do I fix code B2431 TOYOTA?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the B2431 TOYOTA code
The cost of diagnosing the B2431 TOYOTA code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
B2431 TOYOTA Description
The Diagnostic Trouble Code (DTC) is stored when the low beam headlights do not illuminate, or a malfunction is detected in the communication between the headlight assembly and the Main Body ECU (multiplex network body ECU).