Fault codes U09xx: invalid data (ionization sensor)
Communication codes between control units. The cause is often a connector, a wire, a power supply or a weak battery: the control unit named is not necessarily faulty.
Official codes: 1, from smallest to largest. Tap a code to get a direct link to share.
| Code | Meaning |
|---|---|
| U0901 | Invalid Data from Ion Sense Module |
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Official meanings: OBDex (public domain, CC0). Manufacturer codes: dtc-database (MIT license), probable meanings not verified by the manufacturers. The same meaning can vary depending on the model: always have a diagnosis confirmed by a professional.