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Home >> Lexus >> 2004 >> RX 330 AWD >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Multiplex Communication System - Diagnosis >> Diagnostic Trouble Code Chart

Diagnostic Trouble Code Chart

If a malfunction code is displayed during the DTC check, check the circuit listed for that code in DIAGNOSTIC TROUBLE CODE CHART  (Proceed to the Service Category given for that circuit).

DIAGNOSTIC TROUBLE CODE CHART

DTC No. Detection Item Trouble Area
B1205  Headlamp swivel ECU Communication Stop
  • Headlamp Swivel ECU assy
  • Wire harness
B1206  Power Window Master Switch Communication Stop
  • Power window regulator master switch assy
  • Wire harness
B1208  Passenger Side Outer Mirror ECU Communication Stop
  • Outer mirror control ECU assy (Passenger side)
  • Wire harness
B1209  Driver Side Outer Mirror ECU Communication Stop
  • Outer mirror control ECU assy (Driver side)
  • Wire harness
B1213  Tilt & Telescopic ECU Communication Stop
  • Multiplex tilt & telescopic ECU
  • Wire harness
B1214  Door System Communication Bus Malfunction (+B Short)
  • Airbag sensor assy center
  • Combination meter assy
  • Power window regulator master switch assy
  • Multiplex tilt & telescopic ECU
  • A/C amplifier assy
  • Transponder key ECU
  • ECM
  • Center cluster integration switch assy
  • Network gateway ECU
  • Rain sensor
B1215  Door System Communication Bus Malfunction (GND Short)
  • Sliding roof drive gear assy
  • Headlamp swivel ECU assy
  • Multiplex network door ECU back
  • Position control ECU & switch assy
  • Accessory bus buffer ECU
  • Windshield wiper relay assy
  • Outer mirror control ECU assy (Driver side)
  • Outer mirror control ECU assy (Passenger side)
  • Instrument panel J/B assy (Multiplex network body ECU)
  • Wire harness
B1245  Wiper ECU Communication Stop
  • Windshield wiper relay assy
  • Wire harness
B1261  ECM Communication Stop
  • ECM
  • Wire harness
B1262  A/C ECU Communication Stop
  • A/C amplifier assy
  • Wire harness
B1271  Combination Meter ECU Communication Stop
  • Combination meter assy
  • Wire harness
B1272  Power Seat ECU Communication Stop
  • Position control ECU & switch assy
  • Wire harness
B1273  Sliding Roof ECU Communication Stop
  • Sliding roof drive gear assy
  • Wire harness
B1275  Accessory Bus Buffer Communication Stop
  • Accessory bus buffer ECU
  • Wire harness
B1277  Center Cluster Integration Panel Communication Stop
  • Center cluster integration switch assy
  • Wire harness
B1279  Rain Sensor Communication Stop
  • Rain sensor
  • Wire harness
B1281  Airbag ECU Communication Stop
  • Airbag sensor assy center
  • Wire harness
B1287  Back Door ECU Communication Stop
  • Multiplex network door ECU back
  • Wire harness
B1293  Gateway ECU (AVC-LAN adapter) Communication Stop
  • Network gateway ECU
  • Wire harness
B1294  Steering lock/ immobiliser ECU Communication Stop
  • Transponder key ECU assy
  • Wire harness