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  1. E80 System Failure code?

    Engines (TS, JTS, JTD & V6)
    I have a 2005 156 JTS Selespeed and for first time today I got a warning message: E80 system failure. Switch off engine do not proceed. I then checked car with OBD2 scanner and got error codes for catalytic converter efficiency below par. Cleared codes as had them plenty of times before. Nothing...