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P1627

P1627 - Actuator drive circuit 1 short to ground

Bosch · ECU Troubleshooting

What does P1627 mean?

This error means that the electrical circuit used to control an actuator (drive circuit 1) has a short circuit to ground. This can cause the actuator to malfunction or fail.

Common Causes

  • Damaged wiring to the actuator
  • Internal fault in the actuator
  • Short circuit within the ECU's drive circuit

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Inspect the wiring harness for actuator 1 for any chafing or damage.

  2. 2

    Check the actuator itself for any signs of damage or seizure.

  3. 3

    If wiring and actuator are okay, the ECU's drive circuit may be shorted.

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

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Source: Bosch ECU Troubleshooting
Open Manual (Page 7)Search more codes in this manual