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2021
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Challenger SRT Hellcat, Automatic Trans
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Repair and Diagnosis
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Engine Performance
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System
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6.2L - DTCS P1718 To P2245
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DTC Troubleshooting
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P2123-Accelerator Pedal Position Sensor 1 Circuit High
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Set Condition
Set Condition
The Powertrain Control Module (PCM) detects that the APP Sensor 1 input voltage is above the maximum acceptable value.