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Diagnostic Trouble Code Table

WARNING: This page is about a different car, the 2008 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.

MULTIPLEX COMMUNICATION SYSTEM 

DIAGNOSTIC TROUBLE CODE TABLE

DTC No. Detection Item Trouble Area
B1200  MPX Body ECU Stop
  1. Main body ECU
  2. Wire harness
B1205  AFS ECU Communication Stop
  1. AFS ECU
  2. Wire harness
B1206  P/W Master Switch Communication Stop
  1. Power window master switch
  2. Wire harness
B1208  Passenger Side Outer Mirror ECU
  1. Remote control mirror ECU RH
  2. Wire harness
B1209  Driver Side Outer Mirror
  1. Remote control mirror ECU LH
  2. Wire harness
B1213  Tilt and Telescopic ECU Communication Stop
  1. Tilt and telescopic ECU
  2. Wire harness
B1214  Short to B+ in Door System Communication Bus Malfunction
  1. Gateway ECU
  2. Transponder key ECU
  3. Main body ECU
  4. Power window control switch rear LH
  5. Power window control switch rear RH
  6. Power window control switch front RH
  7. Power window master switch
  8. Remote control mirror ECU LH
  9. Remote control mirror ECU RH
  10. Power back door ECU
  11. Power seat ECU (Driver side seat)
  12. AFS ECU
  13. Tilt and telescopic ECU
  14. Tire pressure warning ECU
  15. Wire harness
B1215  Short to GND in Door System Communication Bus Malfunction
  1. Gateway ECU
  2. Transponder key ECU
  3. Main body ECU
  4. Power window control switch rear LH
  5. Power window control switch rear RH
  6. Power window control switch front RH
  7. Power window master switch
  8. Remote control mirror ECU LH
  9. Remote control mirror ECU RH
  10. Power back door ECU
  11. Power seat ECU (Driver side seat)
  12. AFS ECU
  13. Tilt and telescopic ECU
  14. Tire pressure warning ECU
  15. Wire harness
B1245  Wiper ECU Communication Stop
  1. Auto wiper ECU
  2. Wire harness
B1247  Tire Pressure Monitor Receiver Communication Stop
  1. Tire pressure warning ECU
  2. Wire harness
B1262  A/C ECU Communication Stop
  1. Air conditioning amplifier (A/C ECU)
  2. Wire harness
B1266  Short to B+ in Instrument Panel System Communication Bus Malfunction
  1. Gateway ECU
  2. Air conditioning amplifier (A/C ECU)
  3. Auto wiper ECU
  4. Airbag sensor assembly
  5. Combination meter ECU
  6. Rain sensor
  7. Overhead J/B
  8. Moon roof control ECU
  9. Center cluster integration panel
  10. Wire harness
B1267  Short to GND in Instrument Panel System Communication Bus Malfunction
  1. Gateway ECU
  2. Air conditioning amplifier (A/C ECU)
  3. Auto wiper ECU
  4. Airbag sensor assembly
  5. Combination meter ECU
  6. Rain sensor
  7. Overhead J/B
  8. Moon roof control ECU
  9. Center cluster integration panel
  10. Wire harness
B1271  Combination Meter ECU Communication Stop
  1. Combination meter ECU
  2. Wire harness
B1272  Power Seat ECU Communication Stop
  1. Power seat ECU (Driver side seat)
  2. Wire harness
B1273  Sliding Roof ECU Communication Stop
  1. Sliding roof control ECU (Moon roof control ECU)
  2. Wire harness
B1277  Center Cluster Integration Panel ECU Communication Stop
  1. Center cluster integration panel
  2. Wire harness
B1279  Rain Sensor Communication Stop
  1. Rain sensor
  2. Wire harness
B1281  Airbag ECU Communication Stop
  1. Airbag sensor assembly
  2. Wire harness
B1287  Back Door ECU Communication Stop
  1. Power back door ECU
  2. Wire harness
B1294  Immobilizer ECU Communication Stop
  1. Transponder key ECU
  2. Wire harness
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