P0550low severityPowertrain
Power Steering Pressure Sensor Circuit Malfunction
on 2023 Volkswagen Atlas 3.6L V6 · FWD
What this code means
The PCM detected a fault in the power steering pressure sensor circuit. This sensor tells the engine to adjust idle when steering load increases.
Symptoms
- Rough or stalling idle when turning
- Check engine light on
- Erratic idle speed
Common causes
- Faulty power steering pressure sensor
- Damaged sensor wiring or connector
- Low power steering fluid
- Failed PCM input circuit
Diagnostic steps
- Read sensor data with scan tool
- Inspect wiring and connector
- Check power steering fluid level
- Test sensor signal at various steering loads
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