P2128 2010 HONDA ACCORD - Accelerator Pedal Position Sensor 'B' Throttle Position Sensor 'D' Circuit High Voltage
- Faulty Accelerator Pedal Position
- Accelerator Pedal Position harness is open or shorted
- Accelerator Pedal Position circuit poor electrical connection
- Faulty Powertrain Control Module (PCM)
Tech notesECM may have to be updated.
- Engine Light ON (or Service Engine Soon Warning Light)
P2128 2010 Honda Accord DescriptionAccelerator Pedal Position (APP) sensor B is a part of the Electronic Throttle Control System (ETCS), and it is used to convert the position of the accelerator pedal into electrical signals. Based on these signals, the Powertrain Control Module (PCM) controls the throttle actuator so that the throttle position agrees with the accelerator pedal position. If the signal voltage from APP sensor A is a set value or less, the PCM detects a malfunction and stores a Diagnostic Trouble Code (DTC).
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