P2229
Barometric Pressure Sensor Circuit High
The barometric pressure sensor reports a voltage above the valid window. Usually a short to supply or an open ground.
- Check engine light: Yes
- Emissions related: Yes
- Repair difficulty: easy
Common causes
Ordered by how often each turns out to be the cause.
- Signal shorted to supplyCommon
- Sensor ground openPossible
- Connector pins corroded - high contact resistanceLess likely
Parts involved
- Barometric Pressure Sensor
- Bps Wiring
P2229 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.