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P0626

P0626 - Generator F-Term Circuit High

Bosch · OBD1000

What does P0626 mean?

This code indicates a high voltage reading in the generator's 'F' terminal field control circuit, usually due to a short to voltage.

Common Causes

  • Short to voltage in the 'F' terminal circuit
  • Damaged wiring harness
  • Faulty generator component

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check wiring for contact with a voltage source.

  2. 2

    Test the 'F' terminal circuit for voltage issues.

  3. 3

    Ensure all electrical connections are properly seated.

  4. 4

    Seek expert advice for further troubleshooting.

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

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Source: OBD1000
Open Manual (Page 21)Search more codes in this manual