MICU (2016 2017 2018)
NOTE: Record all DTCs, and sort them by DTC type using the DTC troubleshooting index, then troubleshoot the DTC(s) in this order:
- Internal error DTCs
- Loss of communication DTCs
- Signal error DTCs
MICU
MICU DIAGNOSTIC CODE IDENTIFICATION (2016 2017 2018) (B1002-U128D)
| DTC | Description | DTC type |
|---|---|---|
| B1002 | MICU internal error (EEPROM error) | Internal error |
| B1003 | MICU update error | Internal error |
| B1028 | Rear wiper motor (Park) signal error | Signal error |
| B1036 | IG1 power supply circuit malfunction | Signal error |
| B1077 | Windshield wiper motor (Park) signal error | Signal error |
| B1081 | Left Side LED Headlight Malfunction | Signal error |
| B1082 | Left Side LED Headlight Circuit Malfunction | Signal error |
| B1083 | Right Side LED Headlight Malfunction | Signal error |
| B1084 | Right Side LED Headlight Circuit Malfunction | Signal error |
| B1127 | Driver's door key cylinder switch input circuit malfunction (Simultaneous input of lock and unlock signal) | Signal error |
| B1128 | Driver's door remote switch input circuit malfunction (Simultaneous input of lock and unlock signal) | Signal error |
| B1129 | Driver's door knob switch input circuit malfunction (Simultaneous input of lock and unlock signal) | Signal error |
| B1275 | Headlight OFF position circuit malfunction | Signal error |
| B1276 | Headlight switch parking 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 | Turn signal switch circuit malfunction | Signal error |
| B1281 | Front wiper MIST position circuit malfunction | Signal error |
| B1282 | Front wiper INT (AUTO) position circuit malfunction | Signal error |
| B1283 | Front wiper LOW position circuit malfunction | Signal error |
| B1284 | Front wiper HIGH position circuit malfunction | Signal error |
| U1280 | B-CAN communication bus line error (BUS-OFF) | Loss of communication |
| U128D | MICU lost communication with gauge control module | Loss of communication |