---

121B Mass Air Flow sensor flow to low.
120D Mass Air Flow signal to low.
21E0 Adaptive heated oxygen sensor control, bank 1 -- Faulty signal
21F0 Adaptive heated oxygen sensor control, bank 2 -- Faulty signal
601C -- Turbo control defective boost pressure -- Signal too high
216D -- Adaptive heated oxygen sensor control, bank 1 -- Signal too low
217D -- Adaptive heated oxygen sensor control, bank 2 -- Signal too low
3100 -- Misfire, at least one cylinder -- Start-up