EEC 61 is basically saying there is a problem in the After-treatment control module. This is the module the engine uses for the after-treatment system. Your Check Engine Light, and/or your Maintenance light will be on at the same time.
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 .
Hi Yesterday got change my def filter at speedco, after 12 mile the check engine and the solid engine light came the the code eec61 diag 1 took .
A check engine light and fault 61 code is an electrical failure to the injector or a bad solenoid on the injector, but you will most likely find your .
If you have the Detroit motor, you can read the fault codes off the dash. Call them in to any Freightliner dealer or Detroit Diesel mechanic, and they can tell you .
Fault code EEC61 spin 5246, this just means the warning was ignored so the motor went to de rate. DEF gauge bar is full, but amber light
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?