How to install a new wire harness on a sonata?
Route the new wire harness extension from the knock sensor connector to the engine ECM along the existing path of the engine control wire harness. 4. Secure the new wire harness extension with zip ties and the existing control wire harness clip (C) as shown on the following page.
Can a sub-harness be replaced on a Hyundai?
Tech called Hyundai, their support staff said replace main engine harness. The one they had first told him to change was a sub-harness. With all the harnesses they are sending out, Hyundai should notice that they have a problem here, and figure out how to roll back their software update,
How long did it take Hyundai to produce the wiring harness?
It took Hyundai 3 weeks to produce the wiring harness. They had my car for over 30 days. I got it back today and pulled out of the dealership only to have the same issue and have to return the car. They are replacing the wiring harness again. Still waiting… #lemon Did you research lemon laws in your state?
Is the sonata ECU the same as the Lancer?
I later flashed the Sonata ecu with the file for my DSM (89 Colt turbo), connected the Lancer patch harness to the Sonata ecu (exactly the same plugs), and fired the car up with no issues. So, the basic good news is that the Sonata and Lancer ecus are almost the same.
Tech called Hyundai, their support staff said replace main engine harness. The one they had first told him to change was a sub-harness. With all the harnesses they are sending out, Hyundai should notice that they have a problem here, and figure out how to roll back their software update,
It took Hyundai 3 weeks to produce the wiring harness. They had my car for over 30 days. I got it back today and pulled out of the dealership only to have the same issue and have to return the car. They are replacing the wiring harness again. Still waiting… #lemon Did you research lemon laws in your state?
Why does Hyundai say every problem looks like a nail?
Just an observation by a uneducated guesser, but it looks like Hyundai service may be using a repair philosophy of “if there’s a problem, then the wiring harness has to be replaced” . Sort of like “if the only tool you own is a hammer, every problem looks like a nail”.
How to remove ECM connector from 15my Sonata?
For 15MY Sonata (LF): Remove ECM connector (D) to release ECM connector (E). Then remove ECM connector (E) and top cover by pressing on the tabs (F) using a flat head screwdriver. For 15MY Santa Fe Sport (AN):