Diagnostic Trouble Code Chart
WARNING: This page is about a different car, the 2004 Lexus GS 430 and 2004 Lexus GS 300. 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 table below.
DIAGNOSTIC TROUBLE CODE CHART
| DTC | Description |
|---|---|
| DTC B1211 / 11 | Driver door ECU communication stop |
| DTC B1212 / 12 | Front passenger door ECU communication stop. |
| DTC B1213 / 13 | Tilt and telescopic ECU communication stop. |
| DTC B1214 / 14, B1215 / 15 | Door system communication bus malfunction (+B short)/(GND short) |
| DTC B1216 / 16 | Rear right door ECU communication stop |
| DTC B1217 / 17 | Rear left door ECU communication stop |
| DTC B1218 / 18 | Body ECU No. 2 communication stop |
| DTC B1221 / 21, B1222 / 22, B1223 / 23, B1224 / 24, B1225 / 25, B1226 / 26, B1241 / 41, B1252 / 52 | Power window/door lock switch circuit on driver door, Power window/door lock switch circuit on passenger/rear right/rear left/ door, Body No. 1/No. 2 ECU switch circuit diagnosis |
| DTC B1231 / 31, B1232/32, B1234 / 34, B1236 / 36, B1238 / 38 | Jam protection limit/pulse switch circuit on driver/passenger/rear right/rear left door |
| DTC B1233 / 33, B1235 / 35, B1237 / 37 | Jam protection limit switch circuit on passenger/rear right/rear left door |
| DTC B1242 / 42 | Wireless door lock tuner circuit malfunction |
| DTC B1244 / 44 | Light sensor circuit malfunction |
| DTC B1261 / 61 | ECM communication stop |
| DTC B1262 / 62 | A/C amplifier communication stop |
| DTC B1266 / 66, B1267 / 67 | Instrument panel system communication bus malfunction (+B short)/(GND short) |
| DTC B1271 / 71 | Combination meter ECU communication stop |
| DTC B1272 / 72 | Power seat ECU communication stop (w/ Seat memory vehicle only) |
| DTC B1273 / 73 | Sliding roof ECU communication stop (w/ Sliding roof vehicle only) |
| DTC B1281 / 81 | Airbag sensor assembly communication stop |
| DTC B1285 / 85 | Steering pad switch communication stop (GS 430 only) |
| DTC B1293 / 93 | Gateway ECU communication stop |
HINT:
- DTC 61, 66, 67 and 71 are not output through open door warning light on meter because of system itself.
- DTC 21-26, 41 and 52 don't mean switch abnormal but notify how switch works.
If DTC is not output when operating switch, it means failure of switch contact.
If DTC is output when not opening switch, it means stick of switch.
- When some of the DTC 14, 15, 66, 67 is output, the DTC of other ECU communication stop is also output. In this case, please repair DTC 14, 15, 66, 67 first. The following shows DTCs which are output when +B or GND short occurs on communication bus.