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Home >> Suzuki >> 2011 >> Grand Vitara Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis >> Diagnostic Information and Procedures >> DTC P2127: Throttle / Pedal Position Sensor / Switch "E" Circuit Low Input; P2128: Throttle / Pedal Position Sensor / Switch "E" Circuit High Input >> DTC Detecting Condition and Trouble Area

DTC Detecting Condition and Trouble Area

P2127, P2128 DTC DETECTING CONDITION CHART

DTC detecting condition Trouble area
P2127: Throttle/Pedal Position Sensor/Switch "E" Circuit Low Input 
Output voltage of APP sensor (sub) signal circuit is lower than 0.23 V.
(1 D/C detection logic)
  • APP sensor (sub) and/or its circuit
  • ECM
P2128: Throttle/Pedal Position Sensor/Switch "E" Circuit High Input 
Output voltage of APP sensor (sub) signal circuit is higher than 2.4 V.
(1 D/C detection logic)
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