Section 309 (Multiplex Integrated Control Unit MICU - Diagnostics)
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2020 Honda Fit, 2019 Honda Fit, 2018 Honda Fit, 2017 Honda Fit, and 2016 Honda Fit. However, it is still accessible from the selected car via links, so may be relevant.
- DTC Troubleshooting
- DTC B1002: MICU internal error (EEPROM error)
- DTC B1003: MICU update error
- DTC B1028: Rear Wiper Motor (Park) Signal Error
- DTC B1036: IG1 power supply circuit malfunction
- DTC B1077: Windshield wiper motor (Park) signal error
- DTC B1127: Driver's door key cylinder switch input circuit malfunction (Simultaneous input of lock and unlock signal)
- DTC B1128: Driver's door remote switch input circuit malfunction (Simultaneous input of lock and unlock signal)
- DTC B1129: Driver's door knob switch input circuit malfunction (Simultaneous input of lock and unlock signal)
- DTC B1275: Headlight OFF position circuit malfunction; DTC B1276: Headlight switch parking (small) position circuit malfunction; DTC B1277: Head light AUTO position circuit malfunction; DTC B1278: Headlight ON position circuit malfunction
- DTC B1279: Dimmer switch circuit malfunction
- DTC B1280: Turn signal switch circuit malfunction
- DTC B1281: Front wiper MIST position circuit malfunction; DTC B1282: Front wiper INT (AUTO) position circuit malfunction; DTC B1283: Front wiper LOW position circuit malfunction; DTC B1284: Front wiper HIGH position circuit malfunction
- DTC U1280: Communication bus line error (BUS-OFF) (MICU (Multiplex Integrated Control Unit))
- DTC U128D: MICU lost communication with gauge control module (MICU (Multiplex Integrated Control Unit))