P0554
Power Steering Pressure Sensor Intermittent
The power steering pressure sensor signal is intermittent. The ECM cannot consistently raise idle to compensate for steering load.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: easy
Common causes
Ordered by how often each turns out to be the cause.
- Sensor connector loose or corrodedCommon
- Intermittent wiring faultPossible
- Connector with intermittent contact under vibrationLess likely
Parts involved
- Power Steering Pressure Sensor
- Sensor Wiring
P0554 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.