Hello Every body,

Hope yo are great!

     Who knows or who has done a DTC off from the SPS calibration file, is this possible?

I have a Chevrolet Tracker and there no any programmer or editing hardware to read full flash. 

So, I am going to do this by stock SPS calibration file. 

Can any one help. 

 

 

 

as far as I'm aware will be nearly impossible to do DTC off in calibrations

Some DTCs can be configured via XML

Newer vehicles such as Tracker and Onix (2024) do not have an .xml file, SPS does not create this file.

Depend what dtc you want to off. Some can be tricked, some no. But definately you need tuning equipment or something to read full flash from ECM. Unfortunately equipment doing this cost few thousands $/€/£

Thank you for your reply, 

Actually the DTC is related to poor mixture. which is occur after the installation of a CNG system.

About equipment there are no equipment for Bosch E64 still.   

That's why I thought that maybe there are some method to DTC off by calibration file.

I saw a video in Youtube where one people doing DTC off thru WinOls

 

To do WinOLS dtc off require full flash as far as I’m aware. I never need to do dtc off. If CNG is installed should be controlled by CAN via CNG ECU.