P0D74: The air conditioning compressor control unit internal temperature sensor fails
The air conditioning compressor control unit internal temperature sensor fails now and then. It is usually the part, its wiring or a connector with poor contact.
| Code | P0D74 |
|---|---|
| System | Engine and transmission |
| Group | P0Dxx, Hybrid and electric: charging and battery |
| Type | Generic: it means the same on every make |
How to read and clear P0D74 with Final OBD
Plug an OBD2 scanner in under the steering wheel, switch the ignition on and open Final OBD. Under Faults you’ll see P0D74 with its description and whether it’s confirmed, pending or permanent.
If the engine stores it over standard OBD, with FREE you read this code with its explanation for nothing and clear it. With PRO you also read the faults of every control unit and clear them in all of them.
Clearing the code only turns the light off: if the cause is still there, it comes back. Clear it once it’s fixed, and not right before an inspection. It’s all in how to read and clear fault codes and in inspections and OBD.
Similar codes
- P0D6F The air conditioning compressor motor current is above normal
- P0D71 The air conditioning compressor control unit internal temperature sensor gives
- P0D72 The air conditioning compressor control unit internal temperature sensor gives
- P0D73 The air conditioning compressor control unit internal temperature sensor gives
- P0D75 The air conditioning compressor control unit output driver temperature sensor
- P0D76 The air conditioning compressor control unit output driver temperature sensor
- P0D77 The air conditioning compressor control unit output driver temperature sensor
- P0D78 The air conditioning compressor control unit output driver temperature sensor
What does code P0D74 mean?
The air conditioning compressor control unit internal temperature sensor fails now and then. It is usually the part, its wiring or a connector with poor contact.
How do you clear P0D74?
With an OBD2 scanner and an app like Final OBD, which clears it for free if it’s stored by the engine control unit. But clearing it only turns the light off: if the cause isn’t fixed, P0D74 comes back.
Read it on your car
Final OBD reads and clears engine faults through standard OBD for free, each one explained in plain English. With PRO it also reads the faults of every control unit, each make’s own codes included, and clears them in all of them.
