Peugeot 607 Transmission Problems

I had similar issues with my 607. Sounds like the electronic problems these cars get. Have you checked the transmission fuses? Sometimes it's that simple. Could be more complex, like the car's computer misfiring.

Thanks, I appreciate the analogy. Fuses are all good. Could you share more about your experience? Was the control unit the problem for you?

Yes, the transmission control unit was the problem. Given your symptoms and checks, I'd see a workshop that can diagnose and maybe replace the unit. It's like solving a Rubik's Cube.

Thanks for confirming my suspicion. I'll get it inspected at a trusted workshop and expect the control unit is the problem. I'll prepare for the 1000€ repair.