Multiplex Integrated Control Unit DTCS
MULTIPLEX INTEGRATED CONTROL UNITDIAGNOSTIC TROUBLE CODE (DTC) INDENTIFICATION
| DTC | Description | DTC type |
|---|---|---|
| B1002 | MICU internal error (EEPROM error) | Internal error |
| B1003 | MICU update error | Internal error |
| B1036 | IG1 power supply circuit malfunction | Signal error |
| B1275 | Headlight OFF position circuit malfunction | Signal error |
| B1276 | Headlight switch parking (small) position circuit malfunction | Signal error |
| B1277 | Headlight AUTO position circuit malfunction | Signal error |
| B1278 | Headlight ON position circuit malfunction | Signal error |
| B1279 | Dimmer switch circuit malfunction | Signal error |
| B1280 - Refer to: DTC Troubleshooting: B1280 (2017 2018 2019 2020) | Turn signal switch circuit malfunction | Signal error |
| B1281 - Refer to: DTC Troubleshooting: B1281, B1282, B1283, B1284 (2017 2018 2019 2020) | Front wiper MIST position circuit malfunction | Signal error |
| B1282 - Refer to: DTC Troubleshooting: B1281, B1282, B1283, B1284 (2017 2018 2019 2020) | Front wiper INT (AUTO) position circuit malfunction | Signal error |
| B1283 - Refer to: DTC Troubleshooting: B1281, B1282, B1283, B1284 (2017 2018 2019 2020) | Front wiper LOW position circuit malfunction | Signal error |
| B1284 - Refer to: DTC Troubleshooting: B1281, B1282, B1283, B1284 | Front wiper HIGH position circuit malfunction | Signal error |
| B1575 | Auto light sensor circuit malfunction | Signal error |
| U0199 - Refer to: DTC Troubleshooting: U0199 (2017 2018 2019 2020) | MICU lost communication with power window master switch | Loss of communication |
| U1280 - Refer to: DTC Troubleshooting: U1280 (2017 2018 2019 2020) | Communication bus line error (BUS-OFF) | Loss of communication |
| U128D - Refer to: DTC Troubleshooting: U128D (2017 2018 2019 2020), or | MICU lost communication with gauge control module | Loss of communication |
| U1291 - Refer to: DTC Troubleshooting: U1291 (2017 2018 2019 2020), or | MICU lost communication with relay control module | Loss of communication |
| U1292 - Refer to: DTC Troubleshooting: U1292 (2017 2018 2019 2020), | MICU lost communication with rear MICU | Loss of communication |