Bipper Air Suspension Fault

Hi! I had something similar on my Bipper. The suspension was all over the place. Is it completely bottomed out, or just sagging on one side? Could be a bad air strut, but check the connections first like your diagnostics suggest. Air struts are the pneumatic cylinders responsible for maintaining ride height.

When you say 'similar', do you mean the same symptoms, including the electronic error messages? The system is completely bottomed out, and the error codes point to the compressor circuit. If it was only a defective strut, would the ECU register compressor errors as well?

Yes, I had the error messages too. Although my issue appeared after my car got stuck in the snow. I am no mechanic, so I took it to a workshop. Given your detailed diagnosis and the compressor-specific errors, it might be best to get it checked professionally. They can pinpoint the exact wiring fault. Beats messing around yourself and potentially causing more problems.

The inspection revealed corrosion within the compressor's wiring harness, as suspected. Repair was cleaning and securing the connection, costing 95€.