Latitude generator failure

I had similar issues with my 2014 Opel Insignia. Weak lights, hard starting, dashboard lit up. I initially suspected the battery or starter, but the serpentine belt was fine. Have you checked the charging system?

Thanks for the suggestion. How did you approach testing the charging system? Did you focus on specific components? What were your readings, if you remember?

Honestly, I don't have the equipment to properly test the charging system, and I didn't want to start replacing parts blindly. I took my Insignia straight to the workshop after checking basic things myself, and they confirmed it was the generator. Given your symptoms and stored error, a workshop visit might be best.

Understood. I appreciate the insight. I visited a workshop, and the generator was indeed defective. The repair cost 960€.