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Home >> Hyundai >> 2017 >> Sonata Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 32 (Engine Control System Diagnosis - 2.0L (1 Of 3) (Except HEV)) >> DTC P0121: Throttle Pedal Position Sensor Switch 'A' Circuit Range Performance >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

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Item Detecting Condition Possible Cause
DTC Strategy
  • Plausibility check between TPS 1 and TPS 2
  1. Faulty TPS 1
  2. Poor connection or damaged harness
Enable Conditions
  • No engine stop and engine start
  • No TPS adaptation request
  • No relevant failure
Threshold Value
  • TPS value difference between TPS 1 position and TPS 2 position is higher then 7.6%
Diagnostic Time
  • 0.3sec.
MIL On Condition
  • 1 Driving Cycle
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