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P2138 HYUNDAI

P2138 HYUNDAI - Accelerator Pedal Position Sensor Circuit Range/Performance

Repair Importance Level: 3/3
Repair Difficulty Level: 2/3   
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Possible causes

  • Faulty Accelerator Pedal Position Sensor
  • Faulty Throttle Position Sensor
  • Accelerator Pedal Position Sensor harness is open or shorted
  • Accelerator Pedal Position Sensor circuit poor electrical connection

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P2138 Hyundai Description

The Electronic Throttle Control(ETC) system is made of the components throttle body, Throttle Position Sensor(TPS) 1&2 and Accelerator Position Sensor(APS) 1&2. The APS is mounted in the accelerator pedal to detect the opening angle of the accelerator pedal. It has 2 sensors to detect the accelerator position and a malfunction of the accelerator position sensor. The PCM judges the current opening angle of the accelerator pedal from APS1&2, and the PCM controls the throttle motor based on these signals.
OBDII Code P2138 Hyundai - Accelerator Pedal Position Sensor Circuit Range/Performance - AutoCodes.com

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P2138 HYUNDAI Comments

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