Diagnostic Trouble Code Chart
WARNING: This page is about a different car, the 2004 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.
If a malfunction code is displayed during DTC check, check the circuit corresponding to the code in the figure below.
DIAGNOSTIC TROUBLE CODE CHART
| DTC | Description |
|---|---|
| DTC B1205 | AFS ECU COMMUNICATION STOP |
| DTC B1211 | DRIVER DOOR ECU COMMUNICATION STOP |
| DTC B1212 | FRONT PASSENGER DOOR ECU COMMUNICATION STOP |
| DTC B1213 | TILT AND TELESCOPIC ECU COMMUNICATION STOP |
| DTC B1214, B1215 | DOOR SYSTEM COMMUNICATION BUS MALFUNCTION (+B SHORT)/(GND SHORT) |
| DTC B1216 | REAR RIGHT DOOR ECU COMMUNICATION STOP |
| DTC B1217 | REAR LEFT DOOR ECU COMMUNICATION STOP |
| DTC B1219 | REAR SEAT SWITCH COMMUNICATION STOP |
| DTC B1248 | AVC-LAN COMMUNICATION IMPOSSIBLE |
| DTC B1262 | A/C ECU COMMUNICATION STOP |
| DTC B1263 | LUGGAGE ROOM JUNCTION BLOCK ECU COMMUNICATION STOP |
| DTC B1266, B1267 | INSTRUMENT PANEL SYSTEM COMMUNICATION BUS MALFUNCTION (+B SHORT)/(GND SHORT) |
| DTC B1269 | THEFT DETERRENT ECU COMMUNICATION STOP |
| DTC B1271 | COMBINATION METER ECU COMMUNICATION STOP |
| DTC B1272 | POWER SEAT ECU COMMUNICATION STOP |
| DTC B1273 | SLIDING ROOF ECU COMMUNICATION STOP |
| DTC B1275 | ACCESSORY BUS BUFFER COMMUNICATION STOP |
| DTC B1277 | CENTER INTEGRATION ECU COMMUNICATION STOP |
| DTC B1278 | COMBINATION SWITCH ECU COMMUNICATION STOP |
| DTC B1279 | RAIN SENSOR COMMUNICATION STOP |
| DTC B1281 | AIRBAG ECU COMMUNICATION STOP |
| DTC B1283 | DRIVER SIDE JUNCTION BLOCK ECU COMMUNICATION STOP |
| DTC B1284 | PASSENGER SIDE JUNCTION BLOCK ECU COMMUNICATION STOP |
| DTC B1285 | STEERING PAD SWITCH COMMUNICATION STOP |
| DTC B1291, B1292 | LIGHT SYSTEM COMMUNICATION BUS MALFUNCTION (+B SHORT)/(GND SHORT) |
| DTC B1294 | IMMOBILIZER ECU COMMUNICATION STOP |
| DTC B1296 | FRONT LIGHT ECU COMMUNICATION STOP |
| DTC B1297 | CLEARANCE SONAR ECU COMMUNICATION STOP |
| DTC B1298 | REAR RIGHT SEAT ECU COMMUNICATION STOP |
| DTC B1299 | REAR LEFT SEAT ECU COMMUNICATION STOP |
When "+B or GND short malfunction of communication bus" DTCs (B1214, B1215, etc.) and detected at the same time as "communication stop" DTCs (B1211, B1212, etc.), please repair the "+B or GND short malfunction of communication bus" DTCs first.