2000 Porsche Boxster (986) F6-2.7L A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts Page 178

Work Instruction 1 - 6

NOTE: Before troubleshooting, read out the fault memory of the DME, Tiptronic and instrument cluster, and remedy any faults present

Fault Code 5528

Fault Code 5528

DME Software Version Not Valid