Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSHYUNDAI2013GENESIS COUPE 2.0T PREMIUMREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 43 (ENGINE CONTROL SYSTEM (DTC TROUBLESHOOTING) (2 OF 3) - 2.0L)DTC P0551: POWER STEERING PRESSURE SENSOR/SWITCH CIRCUIT RANGE/PERFORMANCESIGNAL CIRCUIT INSPECTION

2013 Hyundai Genesis Coupe 2.0T Premium

Signal Circuit Inspection

2013 Hyundai Genesis Coupe 2.0T PremiumSECTION Signal Circuit Inspection

WARNING: This page is about a different car, the 2012 Hyundai Genesis Coupe. However, it is still accessible from the selected car via links, so may be relevant.

Check for short to ground in signal circuit
1. IG "OFF".
2. Disconnect the Power Steering Switch.
3. IG "ON" & Engine "OFF"
4. Measure voltage between signal terminal of the Power Steering Switch harness connector and chassis ground.
  Specification : Approx. B+
  
  Fig 1: Measuring Voltage Between Signal Terminal Of The Power Steering Switch Harness Connector & Chassis Ground
  Courtesy of HYUNDAI MOTOR CO.
5. Is voltage within the specification?
  YES
  - Go to next step.
  NO
  - Check for short to battery in signal circuit. Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure
Check for open or short to battery in signal circuit
1. IG "OFF".
2. Disconnect the Power Steering Switch and ECM connector.
3. IG "ON" & Engine "OFF".
4. Measure voltage between signal terminal of the power steering switch harness connector and chassis ground.
  Specification : Approx. 0V
  
  Fig 2: Measuring Voltage Between Signal Terminal Of Power Steering Switch Harness Connector & Chassis Ground
  Courtesy of HYUNDAI MOTOR CO.
5. Is voltage within the specification?
  YES
  - Go to the next Inspection procedure.
  NO
  - Check for short to battery in signal circuit. Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.