LIN COMMUNICATION SYSTEM DIAGNOSTIC TROUBLE CODE CHART

DTC Code Detection Item Trouble Area See page
B1249 Double Locking ECU Communication Stop

- Double lock door control relay assembly

- Main body ECU (multiplex network body ECU)

- Harness or connector

Click here

B1273 Sliding Roof ECU Communication Stop

- Sliding roof drive gear assembly

- Main body ECU (multiplex network body ECU)

- Harness or connector

Click here

B2321 Driver Side Door ECU Communication Stop

- Power window regulator motor assembly RH (for driver side)*1

- Power window regulator motor assembly LH (for driver side)*2

- Main body ECU (multiplex network body ECU)

- Harness or connector

Click here

B2325 LIN Communication Bus Malfunction

- Power window regulator motor assembly RH (for driver side)*1

- Power window regulator motor assembly LH (for driver side)*2

- Sliding roof drive gear assembly*3

- Double lock door control relay assembly*4

- Main body ECU (multiplex network body ECU)

- Harness or connector

Click here

B2785 Communication Malfunction between ECUs Connected by LIN

- Steering lock actuator assembly

- ID code box (immobiliser code ECU)*5

- Certification ECU (smart key ECU assembly)

- Harness or connector

Click here

B2786 No Response from Steering Lock ECU

- Steering lock actuator assembly

- Certification ECU (smart key ECU assembly)

- Harness or connector

Click here

B2789 No Response from ID BOX

- ID code box (immobiliser code ECU)

- Certification ECU (smart key ECU assembly)

- Harness or connector

Click here

*1 : for RHD

*2 : for LHD

*3 : w/ Sliding Roof System

*4 : w/ Double Locking Function

*5 : for Rear Fog Light with Entry and Start System