CAN MS Bus Line Communication Malfunction
Table of contents
B2326 TOYOTA Possible Causes
- CAN MS bus wire or connector
- Certification ECU power source circuit
- Certification ECU
- Main body ECU
How do I fix code B2326 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 B2326 TOYOTA code
The cost of diagnosing the B2326 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)
B2326 TOYOTA Description
The Main Body ECU and Certification ECU perform 2-way communication with each other via the Controller Area Network (CAN). If the Certification ECU cannot communicate with the Main Body ECU, the Main Body ECU will conclude that there is a malfunction in the CAN system, and set a Diagnostic Trouble Code (DTC).