C0038: The rear left wheel speed sensor power supply is not working properly
The rear left wheel speed sensor power supply is not working properly. It may be the sensor itself, its connector or the wiring.
| Code | C0038 |
|---|---|
| System | Chassis |
| Group | C00xx, Chassis |
| Type | Generic: it means the same on every make |
How to read and clear C0038 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 C0038 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
- C0034 The front right wheel speed sensor is not working properly
- C0035 The front right wheel speed sensor power supply is not working properly
- C0036 The ABS tone ring on the left rear wheel is not giving a clean signal
- C0037 The rear left wheel speed sensor is not working properly
- C0039 The ABS tone ring on the right rear wheel is not giving a clean signal
- C003A The rear right wheel speed sensor is not working properly
- C003B The rear right wheel speed sensor power supply is not working properly
- C003C The rear ABS tone ring is not giving a clean signal
What does code C0038 mean?
The rear left wheel speed sensor power supply is not working properly. It may be the sensor itself, its connector or the wiring.
How do you clear C0038?
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, C0038 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.
