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Few months ago I noticed that my 2007 E320CDI reports faults over OBD2 reader. Fault codes are P2A00, P2297, P2668, P2767, P2768 and U3FFF:
I have seen no messages on dashboard and car has worked normally as much as I can tell. I removed the OBD2 reader from its socket and reinstalled Torque Pro, but faults are still there, i.e unfortunately they seem to be real faults from ECU.
What exactly might cause those faults? How to debug this deeper?
As said, clear the codes and recheck after some driving.
Turbine codes might indicate wires contamination or dirty ATF.
What transmission you have and how long since last service?
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powertrain related faults in 2007 E320CDI
