ECU replacement and firmware WJ 04 4.0 Jeep Registry
Previous Jeep WJ Grand Cherokee Next Jeep

ECU replacement and firmware WJ 04 4.0

Email Bookmark Print
Registered User

Jeep Information

Hi, WJ 04, 4.0. I am from Russia and we don’t have such dealership service as yours, so I ran into the problem of breaking the computer. It was done, but whether it’s enough for a long time or not is unknown, so I bought an ECU from a disassembling machine from the same machine and the question arose about reprogramming. Is it possible in some way without having dealer equipment to reprogram the computer under my car? And question number two: how and how can I flash this ECU to increase power, turn off the encryption and O2 sensors. Thank you in advance, and if such issues have already been discussed, please drop the link, otherwise I could not find


For the best viewing experience please update your browser to Google Chrome