LIN COMMUNICATION SYSTEM > DIAGNOSTIC TROUBLE CODE CHART

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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