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Home >> Hyundai >> 2013 >> Tucson GL, Automatic Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) >> DTC P2128: Throttle/Pedal Position Sensor/Switch 'E' Circuit-High Input >> General Information >> DTC Detecting Condition
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General Information: DTC Detecting Condition

DTC DETECTING CONDITIONS

Item Detecting Condition Possible Cause
DTC Strategy
  • Electrical Check
  • Open in ground circuit
  • Short to battery in signal circuit
  • Poor connection or damaged harness
  • Faulty APS2
Enable Conditions
  • No error for power supply circuit in APS2
Threshold Value
  • APS2 > 2.5V
Diagnostic Time
  • 0.3 sec.
MIL On Condition
  • 1 Driving Cycle
Limp-Home
  • Forced limited power mode: The PCM limits opening angle of the throttle valve to max. 50% and engine torque to a certain pre-determined value.
  • After idle recognition, the PCM uses APS2 signal to calculate the current opening angle of the throttle valve.
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