What causes B2326 on a Toyota?

Open or short on the CAN MS bus Faulty certification ECU Corroded bus connector Failed main body ECU Damaged body harness

How do I fix B2326 on a Toyota?

Confirm the code with a scan tool Inspect and reseat the bus connectors Test the CAN MS bus for opens and shorts Check module power and ground Replace a module only after tests fail

B2326 CAN MS bus line communication malfunction

Q: What does B2326 mean on a Toyota?

B2326. CAN MS bus line communication malfunction. The main body ECU and the certification ECU cannot exchange data on the bus. Applies to Toyota, Lexus and Scion models that use this code.

Category: Body
Severity: Body Warning Light
Applies to: Toyota, Lexus and Scion models that use this code

What does B2326 mean on a Toyota?

B2326. CAN MS bus line communication malfunction. The main body ECU and the certification ECU cannot exchange data on the bus. This Toyota-enhanced code applies to Toyota, Lexus and Scion models that use this code.

Common causes of B2326

Open or short on the CAN MS bus
Faulty certification ECU
Corroded bus connector
Failed main body ECU
Damaged body harness

How to fix B2326

Confirm the code with a scan tool
Inspect and reseat the bus connectors
Test the CAN MS bus for opens and shorts
Check module power and ground
Replace a module only after tests fail