FixVault

Diagnostic Trouble Code Chart

MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

DTC Code Detection Item Trouble Area See
B1206 P/W Master Switch Communication Stop 1. Multiplex network master switch assembly
2. Main body ECU (multiplex network body ECU)
3. Instrument panel junction block assembly
4. Wire harness or connector
5. D FR DOOR fuse
Refer to DTC B1206: P/W Master Switch Communication Stop
B124D Lost Communication with AFS LIN 1. Inner rear view mirror assembly
2. Wire harness or connector
3. AFS ECU (headlight swivel ECU assembly)
Refer to DTC B124D: Lost Communication with AFS LIN; DTC B2432: Lost Communication with Automatic High Beam Sensor
B1273 Sliding Roof ECU Communication Stop 1. Sliding roof ECU (sliding roof drive gear sub-assembly)
2. Main body ECU (multiplex network body ECU)
3. Instrument panel junction block assembly
4. Wire harness or connector
5. S/ROOF fuse
Refer to DTC B1273: Sliding Roof ECU Communication Stop
B2321 Driver Side Door ECU Communication Stop 1. Power window regulator motor assembly (for driver side)
2. Main body ECU (multiplex network body ECU)
3. Multiplex network master switch assembly
4. Wire harness or connector
5. D FR DOOR fuse
Refer to DTC B2321: Driver Side Door ECU Communication Stop
B2322 Front Passenger Side Door ECU Communication Stop 1. Power window regulator motor assembly (for front passenger side)
2. Main body ECU (multiplex network body ECU)
3. Instrument panel junction block assembly
4. Wire harness or connector
5. P FR DOOR fuse
Refer to DTC B2322: Front Passenger Side Door ECU Communication Stop
B2323 Rear Door RH ECU Communication Stop 1. Power window regulator motor assembly (for rear RH side)
2. Main body ECU (multiplex network body ECU)
3. Instrument panel junction block assembly
4. Wire harness or connector
5. DOOR RR fuse
Refer to DTC B2323: Rear Door RH ECU Communication Stop
B2324 Rear Door LH ECU Communication Stop 1. Power window regulator motor assembly (for rear LH side)
2. Main body ECU (multiplex network body ECU)
3. Instrument panel junction block assembly
4. Wire harness or connector
5. DOOR RL fuse
Refer to DTC B2324: Rear Door LH ECU Communication Stop
B2325 LIN Communication Bus Malfunction 1. Power window regulator motor assembly (for driver side)
2. Power window regulator motor assembly (for front passenger side)
3. Power window regulator motor assembly (for rear RH side)
4. Power window regulator motor assembly (for rear LH side)
5. Multiplex network master switch assembly
6. Sliding roof ECU (sliding roof drive gear sub-assembly)
7. Main body ECU (multiplex network body ECU)
8. Instrument panel junction block assembly
9. Wire harness or connector
Refer to DTC B2325: LIN Communication Bus Malfunction
CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

DTC Code Detection Item Trouble Area See
B2785 Communication Malfunction between ECUs Connected by LIN 1. Certification ECU (smart key ECU assembly)
2. Power management control ECU
3. Transmission control ECU assembly
4. ID code box (immobilizer code ECU)
5. Wire harness or connector
Refer to DTC B2785: Communication Malfunction between ECUs Connected by LIN
B2786
*1
No Response from Steering Lock ECU 1. Transmission control ECU assembly
2. Certification ECU (smart key ECU assembly)
3. Wire harness or connector
4. P CON MAIN fuse
Refer to DTC B2786: No Response from Steering Lock ECU
B2789 No Response from ID BOX 1. ID code box (immobilizer code ECU)
2. Certification ECU (smart key ECU assembly)
3. Wire harness or connector
4. ECU-B2 fuse
Refer to DTC B2789: No Response from ID BOX
B278C Lost Communication with Power Source Control 1. Power management control ECU
2. Certification ECU (smart key ECU assembly)
3. Wire harness or connector
4. AM2 fuse
Refer to DTC B278C: Lost Communication with Power Source Control
POWER MANAGEMENT CONTROL ECU

DTC Code Detection Item Trouble Area See
B2287 LIN Communication Master Malfunction 1. Power management control ECU
2. Certification ECU (smart key ECU assembly)
3. Wire harness or connector
Refer to DTC B2287: LIN Communication Master Malfunction
AFS ECU (HEADLIGHT SWIVEL ECU ASSEMBLY)

DTC Code Detection Item Trouble Area See
B2410 Headlight Swivel Motor LH Communication Malfunction 1. Headlight swivel motor LH
2. Wire harness or connector
3. AFS ECU (headlight swivel ECU assembly)
Refer to DTC B2410: Headlight Swivel Motor LH Communication Malfunction; DTC B2411: Headlight Swivel Motor RH Communication Malfunction
B2411 Headlight Swivel Motor RH Communication Malfunction 1. Headlight swivel motor RH
2. Wire harness or connector
3. AFS ECU (headlight swivel ECU assembly)
Refer to DTC B2410: Headlight Swivel Motor LH Communication Malfunction; DTC B2411: Headlight Swivel Motor RH Communication Malfunction
B2424 Headlight Leveling Motor LH Communication Malfunction 1. Headlight leveling motor LH
2. Wire harness or connector
3. AFS ECU (headlight swivel ECU assembly)
Refer to DTC B2424: Headlight Leveling Motor LH Communication Malfunction; DTC B2425: Headlight Leveling Motor RH Communication Malfunction
B2425 Headlight Leveling Motor RH Communication Malfunction 1. Headlight leveling motor RH
2. Wire harness or connector
3. AFS ECU (headlight swivel ECU assembly)
Refer to DTC B2424: Headlight Leveling Motor LH Communication Malfunction; DTC B2425: Headlight Leveling Motor RH Communication Malfunction
B2432 Lost Communication with Automatic High Beam Sensor 1. Inner rear view mirror assembly
2. Wire harness or connector
3. AFS ECU (headlight swivel ECU assembly)
Refer to DTC B124D: Lost Communication with AFS LIN; DTC B2432: Lost Communication with Automatic High Beam Sensor