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DTC Detecting Condition and Trouble Area

DTC DETECTING CONDITION CHART

DTC detecting condition Trouble area
P2138: Throttle/Pedal Position Sensor/Switch "D"/"E" Voltage Correlation 
Difference between APP (main) and APP (sub) sensor signal is more than specified value for specified time. (1 D/C detection logic)
  • APP sensor and/or its circuit
  • ECM
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