Home › Saab › 2011 › 9-5 Turbo4, Standard › Repair and Diagnosis (Single Page) › Accessories & Equipment › Communication Devices › Bus And Diagnostics Communication › Fault diagnosis, fault codes › DTC U0301: Software Incompatibility With Engine Control Module; DTC U0302: Software Incompatibility with Transmission Control Module; DTC U0315: Software Incompatibility with Electronic Brake Control Module › Reference Information › Description and Operation