LIN COMMUNICATION SYSTEM DIAGNOSTIC TROUBLE CODE CHART

Door Bus LIN Communication
DTC Code Detection Item Trouble Area See page
B1206 P/W Master Switch Communication Stop

- Harness or connector

- Power window regulator master switch assembly

- Main body ECU

- Instrument panel junction block assembly

Click here

B1249 Double Locking ECU Communication Stop

- Harness or connector

- Double lock door control relay assembly

- Main body ECU

Click here

B2321 Driver Side Door ECU Communication Stop

- Harness or connector

- Front door window regulator sub-assembly RH*2

- Front door window regulator sub-assembly LH*1

- Main body ECU

Click here

B2322 Front Passenger Side Door ECU Communication Stop

- Harness or connector

- Front door window regulator sub-assembly RH*1

- Front door window regulator sub-assembly LH*2

- Main body ECU

- Instrument panel junction block assembly

Click here

B2325 LIN Communication Bus Malfunction

- Harness or connector

- Power window regulator master switch assembly

- Front door window regulator sub-assembly RH

- Front door window regulator sub-assembly LH

- Main body ECU

- Double lock door control relay assembly*3

- Instrument panel junction block assembly

Click here

*1: for LHD

*2: for RHD

*3: w/ Double Locking Function

Certification Bus LIN Communication
DTC Code Detection Item Trouble Area See page
B2287 LIN Communication Master Malfunction

- Harness or connector

- Certification ECU

- Power management control ECU*4

- Power source control ECU*5

Click here

B278C Lost Communication with Power Source Control

- Harness or connector

- Certification ECU

- Power management control ECU*4

- Power source control ECU*5

Click here

B2785 Communication Malfunction between ECUs Connected by LIN

- Harness or connector

- Certification ECU

- Steering lock actuator assembly

- Power management control ECU*4

- Power source control ECU*5

- ID cord box

Click here

B2786 No Response from Steering Lock ECU

- Harness or connector

- Certification ECU

- Steering lock actuator assembly

Click here

B2789 No Response from ID BOX

- Harness or connector

- ID cord box

- Certification ECU

Click here

*4: for 1KR-FE and 1NR-FE with Entry and Start System

*5: for 1ND-TV with Entry and Start System