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P1125

P1125 - Accelerator sensor 3 error (foot pedal in closed position)

Bosch · ECU Troubleshooting

What does P1125 mean?

Accelerator sensor 3 is reporting an error when the foot pedal is in the closed (idle) position. This suggests a problem with the sensor or its reading at idle.

Common Causes

  • Accelerator sensor 3 fault
  • Incorrect idle position adjustment
  • Wiring problem

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Inspect accelerator sensor 3 and its wiring.

  2. 2

    Ensure the accelerator pedal is correctly set at the closed position.

  3. 3

    Check the sensor's signal at idle.

Browse all codes in this manual (60)
Verified technical data. Last updated: April 2026

Related Faults

ECU internal faultECU internal fault - Electronic Control Unit internal errorP0008P0008 - No signal on both crankshaft and camshaft speed sensorP0122P0122 - Accelerator sensor 1 error (voltage low)
Source: Bosch ECU Troubleshooting
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