What does P0622 mean?

This code indicates a malfunction in the 'F' terminal field control circuit of the generator. This circuit controls the generator's output.

• Faulty generator field winding
• Wiring issue to the 'F' terminal
• Internal generator problem

Click steps to track your progress.

1. 1

   Inspect the wiring connected to the generator's 'F' terminal.

2. 2

   Test the generator's field winding for resistance.

3. 3

   Check for proper voltage at the 'F' terminal.

4. 4

   A mechanic can perform further generator testing.