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P1227

P1227 - Pulse accelerator sensor error (pulse communication)

Bosch · ECU Troubleshooting

What does P1227 mean?

This error signifies a problem with the pulse communication from the accelerator sensor. The system is not interpreting the pulse signals correctly.

Common Causes

  • Faulty accelerator sensor
  • Wiring issue affecting pulse signals
  • ECU communication error

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Inspect the accelerator sensor and its wiring for damage.

  2. 2

    Check for signal integrity issues on the communication line.

  3. 3

    If the problem persists, the ECU may need inspection.

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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