B3090: The left front crash sensor is not working properly
The left front crash sensor is not working properly. It may be the sensor itself, its connector or the wiring.
| Code | B3090 |
|---|---|
| System | Body |
| Group | B30xx, Body |
| Type | Generic: it means the same on every make |
How to read and clear B3090 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 B3090 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
- B3085 The second row right seat belt charge limiter has an electrical fault
- B3086 The third row left seat belt charge limiter has an electrical fault
- B3087 The third row central seat belt charge limiter has an electrical fault
- B3088 The third row right seat belt charge limiter has an electrical fault
- B3091 The left side crash sensor 1 is not working properly
- B3092 The left side crash sensor 2 is not working properly
- B3093 The left side crash sensor 3 is not working properly
- B3094 The centre front crash sensor is not working properly
What does code B3090 mean?
The left front crash sensor is not working properly. It may be the sensor itself, its connector or the wiring.
How do you clear B3090?
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, B3090 comes back.
