| EA | Mitsubishi Mini Split Error Code EA: How to Fix It | medium | Medium |
| EB | Mitsubishi Mini-Split Error Code EB: How to Fix It | medium | Medium |
| EC | Mitsubishi Mini Split Error Code EC: How to Fix It | medium | Medium |
| EE | Mitsubishi Heat Pump Error Code EE: How to Fix It | high | Medium |
| F1 | Mitsubishi Mini-Split Error Code F1: How to Fix It | high | Medium |
| F2 | Mitsubishi Mini-Split Error Code F2: How to Fix It | high | Medium |
| F3 | Mitsubishi Mini-Split Error Code F3: How to Fix It | medium | Medium |
| F4 | Mitsubishi Mini-Split Error Code F4: How to Fix It | medium | Medium |
| F5 | Mitsubishi Mini-Split Error Code F5: How to Fix It | medium | Medium |
| F6 | Mitsubishi Mini-Split Error Code F6: How to Fix It | medium | Medium |
| F7 | Mitsubishi Mini-Split Error Code F7: How to Fix It | medium | Medium |
| F8 | Mitsubishi Mini Split Error Code F8: How to Fix It | medium | Medium |
| F9 | Mitsubishi Mini-Split Error Code F9: How to Fix It | medium | Medium |
| Fb | Mitsubishi Heat Pump Error Code Fb: How to Fix It | medium | Medium |
| P0011 | Mitsubishi P0011 Error Code: How to Fix It | high | Medium |
| P0021 | Mitsubishi P0021 Error Code: How to Fix It | high | Hard |
| P0171 | Mitsubishi P0171 Error Code: How to Fix It | medium | Medium |
| P0174 | Mitsubishi P0174 Error Code: How to Fix It | medium | Medium |
| P0301 | Mitsubishi P0301 Error Code: How to Fix It | high | Medium |
| P0302 | Mitsubishi Engine Error Code P0302: How to Fix It | high | Medium |
| P0303 | Mitsubishi P0303 Error Code: How to Fix It | high | Medium |
| P0304 | Mitsubishi Error Code P0304: How to Fix It | high | Medium |
| P0305 | Mitsubishi Engine Error Code P0305: How to Fix It | high | Medium |
| P0306 | Mitsubishi Automotive Error Code P0306: How to Fix It | high | Medium |
| P0335 | Mitsubishi Automotive Error Code P0335: How to Fix It | high | Medium |
| P0340 | Mitsubishi Automotive Error Code P0340: How to Fix It | medium | Medium |
| P0420 | Mitsubishi P0420 Error Code: How to Fix It | medium | Medium |
| P0430 | Mitsubishi P0430 Error Code: How to Fix It | medium | Medium |
| P0442 | Mitsubishi Error Code P0442: How to Fix It | low | Medium |
| P0455 | Mitsubishi Automotive Error Code P0455: How to Fix It | low | Medium |
| P0507 | Mitsubishi P0507 Error Code: How to Fix It | low | Medium |
| P0700 | Mitsubishi Error Code P0700: How to Fix It | high | Medium |
| P0841 | Mitsubishi P0841 Error Code: How to Fix It | high | Hard |
| P1 | Mitsubishi Heat Pump Error Code P1: How to Fix It | medium | Medium |
| P1 | Mitsubishi Mini-Split Error Code P1: How to Fix It | medium | Medium |
| P1167 | Mitsubishi Error Code P1167: How to Fix It | medium | Medium |
| P2 | Mitsubishi Heat Pump Error Code P2: How to Fix It | medium | Medium |
| P2 | Mitsubishi Mini-Split Error Code P2: How to Fix It | medium | Medium |
| P4 | Mitsubishi Heat Pump Error Code P4: How to Fix It | medium | Medium |
| P4 | Mitsubishi Mini Split Error Code P4: How to Fix It | medium | Medium |
| P5 | Mitsubishi Heat Pump Error Code P5: How to Fix It | medium | Medium |
| P6 | Mitsubishi Heat Pump Error Code P6: How to Fix It | medium | Medium |
| P6 | Mitsubishi Mini-Split Error Code P6: How to Fix It | medium | Medium |
| P8 | Mitsubishi Heat Pump Error Code P8: How to Fix It | medium | Medium |
| P8 | Mitsubishi Mini-Split Error Code P8: How to Fix It | medium | Medium |
| P9 | Mitsubishi Mini Split Error Code P9: How to Fix It | medium | Medium |
| PA | Mitsubishi Mini Split Error Code PA: How to Fix It | medium | Medium |
| PB | Mitsubishi Mini Split Error Code PB: How to Fix It | medium | Medium |
| U1 | Mitsubishi Mini-Split Error Code U1: How to Fix It | high | Medium |
| U2 | Mitsubishi Heat Pump Error Code U2: How to Fix It | high | Medium |
| U2 | Mitsubishi Mini-Split Error Code U2: How to Fix It | high | Medium |
| U3 | Mitsubishi Heat Pump Error Code U3: How to Fix It | medium | Medium |
| U3 | Mitsubishi Mini-Split Error Code U3: How to Fix It | medium | Medium |
| U4 | Mitsubishi Heat Pump Error Code U4: How to Fix It | medium | Medium |
| U4 | Mitsubishi Mini-Split Error Code U4: How to Fix It | medium | Medium |
| U5 | Mitsubishi Heat Pump Error Code U5: How to Fix It | high | Medium |
| U5 | Mitsubishi Mini-Split Error Code U5: How to Fix It | medium | Hard |
| U6 | Mitsubishi Heat Pump Error Code U6: How to Fix It | high | Easy |
| U6 | Mitsubishi Mini-Split Error Code U6: How to Fix It | high | Hard |
| U7 | Mitsubishi Heat Pump Error Code U7: How to Fix It | high | Medium |
| U7 | Mitsubishi Mini Split Error Code U7: How to Fix It | medium | Medium |
| U8 | Mitsubishi Heat Pump Error Code U8: How to Fix It | high | Hard |
| U8 | Mitsubishi Mini-Split Error Code U8: How to Fix It | medium | Medium |
| U9 | Mitsubishi Heat Pump Error Code U9: How to Fix It | high | Hard |
| U9 | Mitsubishi Mini-Split Error Code U9: How to Fix It | medium | Hard |
| UA | Mitsubishi Mini Split Error Code UA: How to Fix It | medium | Medium |
| UC | Mitsubishi Mini Split Error Code UC: How to Fix It | medium | Medium |
| UE | Mitsubishi Mini Split Error Code UE: How to Fix It | medium | Medium |
| UF | Mitsubishi Mini Split Error Code UF: How to Fix It | high | Hard |
| UH | Mitsubishi Mini-Split Error Code UH: How to Fix It | medium | Medium |
| UL | Mitsubishi Mini Split Error Code UL: How to Fix It | medium | Medium |
| UP | Mitsubishi Mini Split Error Code UP: How to Fix It | medium | Medium |