What does P0620 mean?

This code indicates a malfunction in the control circuit for the generator (alternator). The system responsible for regulating charging is not working correctly.

• Faulty generator control module
• Wiring issue to the generator
• Internal generator fault

Click steps to track your progress.

1. 1

   Inspect wiring between the control module and the generator.

2. 2

   Check the generator for proper operation and output.

3. 3

   Test the generator control module.

4. 4

   A qualified mechanic should diagnose this issue.