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C1212 HYUNDAI

C1212 HYUNDAI - Vehicle Speed Input Malfunction

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • Faulty Vehicle Speed Sensor
  • Vehicle Speed Sensor harness is open or shorted
  • Vehicle Speed Sensor circuit poor electrical connection

Possible symptoms

  • Anti-Lock Brake System (ABS) Warning Light ON
  • Engine Light ON (or Service Engine Soon Warning Light)

C1212 Hyundai Description

The Vehicle Speed Sensor, located at speedometer driven gear of transaxles, applies the principal of Hall-effect. As output shaft of transaxle rotates, the rotation of the rotor, which is inside the sensor, generates Hall-effect and outputs a digital pulse. EPS CM detects vehicle speed, based on the digital pulse signal, and controls the solenoid valve current which controls the driving force of the steering wheel.
OBDII Code C1212 Hyundai - Vehicle Speed Input Malfunction - AutoCodes.com

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