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Position Sensor 1 For The Accelerator Pedal Has A Short Circuit To Positive

Position Sensor 1 For The Accelerator Pedal Has A Short Circuit To Positive - The automobile fault code p2121 can be caused by a faulty app sensor, open or shorted app sensor harness, poor electrical connection, or a faulty pcm. When we turned the car off, then started it again, everything returned. an accelerator pedal position sensor can fail because of a damaged sensor element, faulty cables, and insufficient voltage and ground supply.the p2127 fault code in an automobile is caused by a faulty accelerator pedal position (app) sensor, an open or shorted app sensor harness, a poor electrical connection in the app sensor circuit, or a faulty powertrain. It provides input to the engine control unit (ecu) to regulate fuel injection and ignition timing.