B303A: The front right second row 2 stage has an electrical fault
The front right second row 2 stage has an electrical fault. It may be the part itself, its connector or the wiring.
| Code | B303A |
|---|---|
| System | Body |
| Group | B30xx, Body |
| Type | Generic: it means the same on every make |
How to read and clear B303A 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 B303A 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
- B3031 The front left second row 1 stage has an electrical fault
- B3032 The front left second row 2 stage has an electrical fault
- B3033 The front left second row 3 stage has an electrical fault
- B3039 The front right second row 1 stage has an electrical fault
- B303B The front right second row 3 stage has an electrical fault
- B3041 The front left third row 1 stage has an electrical fault
- B3042 The front left third row 2 stage has an electrical fault
- B3043 The front left third row 3 stage has an electrical fault
What does code B303A mean?
The front right second row 2 stage has an electrical fault. It may be the part itself, its connector or the wiring.
How do you clear B303A?
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, B303A 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.
