Is your 2008-2012 Mazda 5 with the 2.3L engine having transmission issues like harsh shifts or going into limp mode? It might be the TCM (Transmission Control Module). This is a tested and pre-programmed replacement part, number L39C189E1E. The big advantage here is that it's 'Plug and Play' - we've already programmed it based on your vehicle's info, so it should be ready to work when you get it. It's compatible with the Mazda 5 from those years and also matches several other OE numbers like L39C189E1A, B, C, etc. A couple of important things: PLEASE double-check your VIN or your old part's number before ordering to make sure it's the right one. If you're not sure, send us a message with your VIN or a photo. Also, a small heads-up: a few cars might show a fault code P06b8 after install. It's a rare communication glitch due to production dates, but it reportedly doesn't affect driving or performance. We offer a 60-day warranty on this part, so you can buy with confidence. Save yourself the time and cost of getting a blank module programmed separately - this one aims to get you back on the road faster.
Free 30-day returns 
Free 30-day returns
