If you’re driving a Freightliner, code EEC 61 is never a good thing to … Your Check Engine Light, and/or your Maintenance light will be on at the .
Thanks for stopping by: EEC 61 is only part of the fault code. If you hit the square button again,write it down, then hit it again, then write that .
will help you out. This diagnostic code is typically Regulatory Fault Ignored – Derate On. Note: (EPA10 ONLY) If SPN 5246/FMI 0, 15 or 16 are the only fault(s) present, follow troubleshooting procedure for SPN 3361/FMI 7 (DEF Unit – Unable to clear Restriction).
The problem is it’s having DEF problem (I think) and the motor de rated on me … Fault code EEC61 spin 5246, this just means the warning was .
2015 freightliner cascadia with a DD15. 2 engine lights on and code EEC 61 comes up. Anyone have an idea if it’s going to derate ?