Sub Bus LIN Module Communication Malfunction
Table of contents
B2405 TOYOTA Possible Causes
- Faulty No. 2 Main Body ECU
- No. 2 Main Body ECU harness is open or shorted
- No. 2 Main Body ECU circuit poor electrical connection
How do I fix code B2405 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 B2405 TOYOTA code
The cost of diagnosing the B2405 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)
B2405 TOYOTA Description
This Diagnostic Trouble Code (DTC) is stored when LIN communication between the No. 2 Main Body ECU and overhead junction block stops for 10 seconds or more.