No you cant see it, so someone has tried to tune this and did very bad getting 5 mpg on the highway but cant access the engine side to make adjustments. Keeps saying checksum then puts a report for...
Type: Posts; User: Jbgraphix03
No you cant see it, so someone has tried to tune this and did very bad getting 5 mpg on the highway but cant access the engine side to make adjustments. Keeps saying checksum then puts a report for...
Im having the same problem myself and even with manually selecting which i have done it still wont read the PCM... Any other options????
I'm having this very same issue and it's very frustrating. What is the trick to get it working again?
Hey I'm interested in what you can do? I got a 2014 cts4 2.0t. Putting different spool in turbo, intercooler piping to 3 inch, catless down pipe, bigger throttle body, cold air intake, coil packs.