Peugeot 4008 climate control fault

Has the system undergone a comprehensive diagnostic assessment to pinpoint potential faults? Could you elaborate on any undertaken troubleshooting steps, such as verifying power supply integrity or inspecting the condition of the wiring harness?

Power supply seems okay, visually checked the harness near the blower motor, but no obvious damage. Could a deeper dive into the harness reveal more, or am I barking up the wrong tree?

A more thorough inspection of the wiring harness is advisable. Given the stored error and associated symptoms, it's plausible the root cause resides within. If the issues persist, a visit to a workshop may be beneficial to perform in-depth diagnosis.

Thanks. Your advice was helpful. I took it to a workshop, and as suspected, it was a defective connection. Cost me 95€ to get it sorted.