Using a KTuned Acura RSX(02-04)/Honda Civic(01-05) Immobilizer on a 2008 Acura TSX?
- Nathan Klarmann
- Oct 29, 2023
- 1 min read
Updated: Nov 27, 2023
I can confirm here that on a swapped vehicle using a 2008 Acura TSX Manual 6-Speed Stock ECU that the Ktuned Immobilizer Bypass does indeed work! I have linked a product link, and the instructions from Ktuned's website + a snip of the wiring diagram.

The TSX does not utilize the multiplexor system so you do not have to hook it up.
A2, A4, and E27 are all still reflective of the same resources between electrical systems. So, if you want to install this product onto your swap vehicle utilizing a 2008 Acura TSX Stock Engine Computer, you would follow the KTuned Instructions to a T, no modifications necessary.
This was a big turning point in my swap - defeating the immobilizer - as these computers/systems are not widely used/discussed about.
Here is a photo of that unit falling into the C101<->C201 Mod Jumper I built for this swap. Look at all that Spaghetti!

Cheers everyone and Happy Creating!
-The WireDaddy- Nate :)
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