Power Steering Pressure Sensor/Switch Intermittent
The P0554 code means the vehicle's onboard diagnostic system has detected: Power Steering Pressure Sensor/Switch Intermittent. This is a low severity code.
- Keep driving?
- Yes, but fix soon
- DIY difficulty
- moderate
- Estimated cost
- $50 - $200 (parts and labor)
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What Are the Symptoms of P0554?
- Intermittent stalling when turning steering wheel
- Idle speed changes unpredictably during steering
- Occasional rough idle during parking
- Code may come and go
- Check engine light on intermittently
What Causes P0554? (Most Likely First)
- Loose or intermittent PSP sensor connector Very High
- Damaged wiring with intermittent break High
- PSP sensor failing intermittently Moderate
- Corroded connector pins making poor contact Moderate
- Power steering fluid leak contaminating connector Low
Can I Still Drive with P0554?
Yes, but fix soon. P0554 is rated low severity. It is not an immediate stop-driving fault, but it will not clear itself — book the repair rather than ignoring the light.
Frequently Asked Questions
Can I drive with code P0554?
Yes, driving is generally safe. The intermittent nature means the issue comes and goes. You may occasionally experience idle stumble or stalling during steering maneuvers, so be prepared during parking situations.
Why does this code come and go?
Intermittent codes are caused by connections that work sometimes but fail under vibration, temperature changes, or movement. A loose connector, cracked wire, or corroded pin can make contact most of the time but lose contact intermittently.
How do I find an intermittent wiring problem?
Perform a wiggle test by gently moving the connector and wiring while watching the sensor signal on a scan tool. When you find the spot that causes the signal to drop out or spike, you have found the problem area. Check for chafed wires, loose pins, or cracked insulation.
Mechanics Guide Step-by-step diagnosis
How Do You Diagnose P0554?
-
Wiggle PSP sensor connector while monitoring signal with scan tool -- look for dropouts or spikes
-
Inspect connector pins for corrosion, spread pins, or fluid contamination
-
Flex and move PSP sensor wiring while monitoring signal -- an intermittent break will cause signal changes
-
Check for power steering fluid leaks near the sensor that could contaminate the connector
-
Replace sensor connector terminals if corroded, or replace sensor if fault is internal
Sources 2
This page is built from documented references. Verify against your own service info before repair work.
- SAE J2012Diagnostic Trouble Code Definitions (defines the generic OBD-II code ranges)
- Cross-checked against the SAE J2012:2002 DTC table (2026-08-27)archived scan of the SAE standard — readable copy, not SAE’s current edition
Which Vehicles Commonly Get P0554?
- 2005-2014 Nissan Altima
- 2006-2015 Honda Civic
- 2007-2016 Ford Escape
- 2008-2017 Toyota Corolla
- 2004-2013 Mazda 3
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