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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 125 (Engine Control System Diagnosis (1 Of 2) (HEV)) >> DTC P0122: Throttle/Pedal Position Sensor/Switch 'A' Circuit Low Input >> General Information >> DTC Detecting Condition

General Information: DTC Detecting Condition

WARNING: This page is about a different variant/trim than selected.
Item Detecting Condition Possible Cause
DTC Strategy
  • Voltage range check
  1. Open in power supply or signal harness
  2. Short to ground in power supply or signal harness
  3. Poor connection or damaged harness
  4. Faulty TPS1
Enable Conditions
  • Ignition "ON"
Threshold Value
  • TPS1 < 0.12V
Diagnostic Time
  • 0.05 sec.
Mil On Condition
  • 1 Driving Cycles
Limp-Home
  • Forced limited power mode: When the DTC is set, the PCM reduces engine torque by 25% of normal value.
  • The PCM uses TPS2 signal to monitor the controlled opening angle of the throttle valve.
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