Diagnostic Trouble Code Chart

WARNING: This page is about a different car, the 2007 Lexus SC 430. However, it is still accessible from the selected car via links, so may be relevant.

DIAGNOSTIC TROUBLE CODE CHART

DTC No.	Detection Item	Trouble Area
B1205	AFS ECU Communication Stop	AFS ECU Wire harness
B1211	Driver Door ECU Communication Stop	Multiplex network front door ECU LH Wire harness
B1212	Front Passenger Door ECU Communication Stop	Multiplex network front door ECU RH Wire harness
B1213	Tilt and Telescopic ECU Communication Stop	Multiplex tilt & telescopic ECU Wire harness
B1214	Short to B+ in Door System Communication Bus Malfunction	Transponder key ECU (Immobiliser ECU) Theft warning ECU Multiplex network front door ECU LH (driver door ECU) Position control ECU (driver seat ECU) Position control ECU (passenger seat ECU) Sliding roof control ECU Multiplex network front door ECU RH (passenger door ECU) Wire harness
B1215	Short to GND in Door System Communication Bus Malfunction	Transponder key ECU (Immobiliser ECU) Theft warning ECU Multiplex network front door ECU LH (driver door ECU) Position control ECU (driver seat ECU) Position control ECU (passenger seat ECU) Sliding roof control ECU Multiplex network front door ECU RH (passenger door ECU) Wire harness
B1247	Tire Pressure Monitor Receiver Communication Stop	Tire pressure monitor receiver Wire harness
B1248	AVC-LAN Communication Impossible	ECU (AVC-LAN bus) Wire harness
B1262	A/C ECU Communication Stop	A/C amplifier Wire harness
B1263	Luggage Room Junction Block ECU Communication Stop	Luggage room junction block ECU Wire harness
B1266	Short to B+ in Instrument Panel System Communication Bus Malfunction	Tire pressure monitor receiver A/C amplifier (A/C ECU) Passenger side junction block (passenger side junction block ECU) Center airbag sensor Skid control ECU Combination meter Wire harness
B1267	Short to GND in Instrument Panel System Communication Bus Malfunction	Tire pressure monitor receiver A/C amplifier (A/C ECU) Passenger side junction block (passenger side junction block ECU) Center airbag sensor Skid control ECU Combination meter Wire harness
B1269	Theft Deterrent ECU Communication Stop	Theft warning ECU Wire harness
B1271	Combination Meter ECU Communication Stop	Combination meter Wire harness
B1272	Power Seat ECU Communication Stop	Position control ECU*1 Wire harness
B1273	Sliding Roof ECU Communication Stop	Sliding roof control ECU Wire harness
B1278	Combination Switch ECU Communication Stop	Turn signal switch Wire harness
B1281	Airbag ECU Communication Stop	Center airbag sensor Wire harness
B1282	Skid Control ECU Communication Stop	Skid control ECU Wire harness
B1283	Driver Side Junction Block ECU Communication Stop	Driver side junction block ECU Wire harness
B1284	Passenger Side Junction Block ECU Communication Stop	Passenger side junction block ECU Wire harness
B1285	Steering PAD Switch Communication Stop	Steering pad switch modulator Wire harness
B1289	Passenger Seat ECU Communication Stop	Position control ECU*2 Wire harness
B1291	Short to B+ in Light System Communication Bus Malfunction	Multiplex network front light ECU (front controller ECU) Driver side junction block (driver side junction block ECU) Steering pad switch modulator (steering pad switch) Multiplex tilt & telescopic ECU (tilt and telescopic ECU) Turn signal switch (combination switch) Luggage room junction block (luggage room junction block ECU) AFS ECU Wire harness
B1292	Short to GND in Light System Communication Bus Malfunction	Multiplex network front light ECU (front controller ECU) Driver side junction block (driver side junction block ECU) Steering pad switch modulator (steering pad switch) Multiplex tilt & telescopic ECU (tilt and telescopic ECU) Turn signal switch (combination switch) Luggage room junction block (luggage room junction block ECU) AFS ECU Wire harness
B1294	Immobiliser ECU Communication Stop	Transponder key ECU Wire harness
B1296	Front Light ECU Communication Stop	Multiplex network front light ECU Wire harness
HINT: 1: Driver side 2: Passenger side When "+B or GND short malfunction of communication bus" DTCs (B1214, B1215, etc.) are detected at the same time as "communication stop" DTCs (B1211, B1212, etc.), repair the "+B or GND short malfunction of communication bus" DTCs first.