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2023 CHEVROLET BOLT EUV
65 kWh Single Motor FWD•FWD•AUTOMATIC•ev
🏆Sponsored by Simon-Olivier Ricci
Repairs269Labor314Torque3680Fluid5DTC1306Battery1Maintenance0Recalls0
P0550low severityPowertrain

Power Steering Pressure Sensor Circuit Malfunction

on 2023 Chevrolet Bolt EUV 65 kWh Single Motor FWD · 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

  1. Read sensor data with scan tool
  2. Inspect wiring and connector
  3. Check power steering fluid level
  4. Test sensor signal at various steering loads
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