From Ross-Tech Wiki

02023 - Terminal 87: Implausible signal

Possible Causes

  • Terminal 87 voltage disruption

Possible Solutions

  • Check Terminal 87 voltage to the control module with this DTC

Special Notes

  • This page was created based on Audi A4 Cabriolet (8H) chassis 26-Convertible Top feedback in our forum. The following thread contains a significant amount of detail: 02023