Diagnostic Trouble Code Chart

WARNING: This page is about a different car, the 2005 Lexus RX 330. However, it is still accessible from the selected car via links, so may be relevant.

If a malfunction code is displayed during the DTC check, check the circuit listed for that code in the chart below.

DIAGNOSTIC TROUBLE CODE CHART

DTC	Description	Trouble Area
DTC B1205	HEADLAMP SWIVEL ECU COMMUNICATION STOP	Headlamp Swivel ECU assy Wire harness
DTC B1206	POWER WINDOW MASTER SWITCH COMMUNICATION STOP	Power window regulator master switch assy Wire harness
DTC B1208	PASSENGER SIDE OUTER MIRROR ECU COMMUNICATION STOP	Outer mirror control ECU assy (Passenger side) Wire harness
DTC B1209	DRIVER SIDE OUTER MIRROR COMMUNICATION STOP	Outer mirror control ECU assy (Driver side) Wire harness
DTC B1213	TILT AND TELESCOPIC ECU COMMUNICATION STOP	Multiplex tilt & telescopic ECU Wire harness
DTC B1214, B1215	DOOR SYSTEM COMMUNICATION BUS MALFUNCTION (+B SHORT)/(GND 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 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
DTC B1245	WIPER ECU COMMUNICATION STOP	Windshield wiper relay assy Wire harness
DTC B1261	ECM COMMUNICATION STOP	ECM Wire harness
DTC B1262	A/C ECU COMMUNICATION STOP	A/C amplifier assy Wire harness
DTC B1271	COMBINATION METER ECU COMMUNICATION STOP	Combination meter assy Wire harness
DTC B1272	POWER SEAT ECU COMMUNICATION STOP	Position control ECU & switch assy Wire harness
DTC B1273	SLIDING ROOF ECU COMMUNICATION STOP	Position control ECU & switch assy Wire harness
DTC B1277	CENTER CLUSTER INTEGRATION SWITCH COMMUNICATION STOP	Center cluster integration switch assy Wire harness
DTC B1279	RAIN SENSOR COMMUNICATION STOP	Rain sensor Wire harness
DTC B1281	AIRBAG ECU COMMUNICATION STOP	Airbag sensor assy center Wire harness
DTC B1287	BACK DOOR ECU COMMUNICATION STOP	Multiplex network door ECU back Wire harness
DTC B1293	GATEWAY ECU (AVC-LAN) COMMUNICATION STOP	Network gateway ECU Wire harness
DTC B1294	IMMOBILIZER ECU COMMUNICATION STOP	Transponder key ECU assy Wire harness