KTuner.com

I kepts reading previous threads and I stumbled upond Error 251, on my end! ECU has never been sat on, ECU looks good. Car is parked at a warehouse or has covered parking, CAR is a project car so I never had any passenger on board to even hit the ECU. so the header is suppose to be good!

Just checked, KTuner showing in device manager!

Im getting Led 1 (RED) Steady, Led 4 (Green) Steady Blinking...

For ONE moment, it kinda erased ECU and suddenly stopped and I keep getting an error 251 ! Now I cant start the CAR!!!

This is really getting frustrating! Please HELP!

i'm getting Green (4) Blinking slowly btw...

NO ECU Connection according to the manual.. am I having issues with KTuner board?

I have a KTuner RAD box, works perfectly the first time I used it to start my K20 EuroR EK Kswap project... Now after almost a year I have time to work on the car, It always says authenticating or disconnected no matter how many times I follow the instructions for Key Off and On... I replaced micro ...

Hi guys need help,

Where do I locate the check engine light pinout from the ECU Ktuner RAD 03-05, cant seem to find it on the pinouts! I'm not sure if im looking for MIL if thats the check engine light acronyms in kseries.

TIA

Found it, no its not the same as 05-06 RSX, different colors on the pinout! Connector E has the main relay pinout , earth and some pulse! Car is running just loaded an RSX layout and disabled immobilizer! Car's fuel pump is priming the way it should! Car started with 1 click, cheers KTuner works gre...

The fuel pump is just priming, and the injectors and coils have no power! Earth is good, I might have missed a few wires.. Can you guys send me a pinout for the A connector, i've been searching for ages and no luck! Also what are the jumper cables for that came in the ktuner box? https://i.ibb.co/9y...

I Need Help! Im doing a K20 Euro TypeR CL7 on my EK, eveything is all wired and connected. Now Im trying to start the car using a KTUNER RAD 03-05 ECU, since i used the CL7 harness that came with the engine, I tried loading different layouts and disabbling immobilizer, I still cant get the car to st...