Audi A4 Quattro transmission issue with multiple error codes on Audi A4 Quattro

Some Audi A4 Quattro owners report experiencing transmission issues characterized by multiple error codes, which can significantly impact vehicle performance. These owners note that non-critical-state codes stored in the transmission control module (TCM) may lead to the TCM substituting a program for continued operation. Reading these manufacturer-specific fault codes requires an Audi VW Transmission Scanner, and common codes can indicate powertrain problems such as cylinder misfires. Error messages like "Transmission Malfunction. Limited Driving Functionality" and "Transmission Malfunction. No Reverse Gear Available" signal serious issues that often necessitate a vehicle restart for resolution. Additionally, some owners find that multiple error codes may point to underlying problems, including a bad fuel pump, ignition issues, and faulty sensors. Regular maintenance checks, including transmission oil service and monitoring for leaks, are recommended to prevent these issues. Furthermore, it is advisable for owners to check for recalls related to their specific model, as addressing these can help avert potential transmission problems.