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Home >> Hyundai >> 2018 >> Kona Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 149 (Engine Control System Diagnosis - 2.0L (1 Of 3)) >> DTC P0121-00: Throttle/Pedal Position Sensor/Switch 'A' Circuit Range/Performance >> DTC Information And Inspection >> DTC Detecting Condition

DTC Information And Inspection: DTC Detecting Condition

WARNING: This page is about a different car, the 2021 Hyundai Kona. However, it is still accessible from the selected car via links, so may be relevant.
Item Detecting Condition Possible Cause
Main Action
  • Plausibility check between TPS 1 and TPS 2
  1. Faulty TPS 1
  2. Poor connection or harness damage
Prerequisite Condition
  • Engine speed during engine start is higher than 640~960 RPM.
  • No TPS adaptation requested
Threshold Value
  • Absolute value of difference between TPS 1 and TPS 2 signal voltage is higher then 7.6% (8°).
Diagnostic Time
  • 0.3 Seconds
MIL-On Condition
  • 2nd Driving Cycle
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