Section 409 (HVAC System - 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 B121A: An Open In The Mode Control Motor Circuit (49)
- DTC B121B: A Short In The Mode Control Motor Circuit (4A)
- DTC B121D: Humidity/In-Car Temperature Sensor Communication Error (89)
- DTC B121E: Electric Capacity Type Switch IC Communication Error (8E)
- DTC B1220: A Short In The Recirculation Control Motor Circuit (56)
- DTC B1227: An Open In The Outside Air Temperature Sensor Circuit (05)
- DTC B1228: A Short In The Outside Air Temperature Sensor Circuit (06)
- DTC B1229: An Open In The Sunlight Sensor Circuit (07)
- DTC B1230: A Short In The Sunlight Sensor Circuit (08)
- DTC B1231: An Open In The Evaporator Temperature Sensor Circuit (09)
- DTC B1232: A Short In The Evaporator Temperature Sensor Circuit (0A)
- DTC B1233: An Open In The Air Mix Control Motor Circuit (40)
- DTC B1234: A Short In The Air Mix Control Motor Circuit (41)
- DTC B1235: A Problem In The Air Mix Control Motor Circuit, Linkage, Door, Or Motor (42)
- DTC B1240: A Problem In The Mode Control Motor Circuit, Linkage, Door, Or Motor (4B)
- DTC B1241: A Problem In The Blower Motor Circuit (59)
- DTC B2983: A Problem In The Recirculation Control Motor Circuit, Linkage, Door, Or Motor (57)
- DTC B2986: An Open In The Recirculation Control Motor Circuit (55)
- DTC U1280: Communication Bus Line Error (BUS-OFF) (80) (Climate Control Unit)
- DTC U128D (81), U128D (82), U128D (83): Lost Communication With Gauge Control Module (Climate Control Unit)
- DTC C0: Climate Control Unit Internal Error (HVAC)