P2125 code indicates a problem with the throttle or pedal position sensor or switch circuit in the vehicle’s engine control module.
P2125 Throttle/Pedal Position Sensor/Switch “E” Circuit
Code symptoms P2125.
1. Sudden loss of power while driving.
2. Trouble accelerating.
3. Engine stalling.
4. Check engine light.
This code is common in brands such as:: Chevrolet, Renault, Ford, Toyota, Nissan, Mercedes Benz, Honda.
Causes of the code P2125.
1. Faulty throttle pedal position sensor.
2. Open or short circuit in the wiring harness of the throttle pedal position sensor.
3. Corrosion or poor connection at the sensor or connector.
4. Faulty Electronic Control Module (ECM).
5. Potential electronic interference from other sensors or components in the vehicle.
Code Solutions P2125.
1. Inspect the wiring and connectors associated with the throttle or pedal position sensor or switch “E” circuit for any signs of damage, corrosion, or loose connections. Repair or replace any damaged components as needed.
2. Test the throttle or pedal position sensor or switch “E” using a multimeter to ensure that it is functioning correctly. Replace the sensor or switch if it is found to be faulty.
3. Check the throttle body for any obstructions or buildup of dirt or debris that could be affecting the sensor or switch operation. Clean the throttle body if necessary.
4. Reset the engine control module (ECM) or powertrain control module (PCM) by disconnecting the battery for a few minutes and then reconnecting it. This can often resolve minor electronic issues like sensor circuit faults.
5. If the issue persists, consult a professional mechanic or dealership for further diagnosis and repair. They may have specialized tools and knowledge to pinpoint the exact cause of the problem and provide a more comprehensive solution.