Find quality Cadillac Cts engine computer (also known as ECU, ECM, PCM) parts at unbeatable prices. Save 50-70% compared to dealership prices.
Start by selecting your vehicle year
Year
Make
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Find quality Cadillac Cts engine computer (also known as ECU, ECM, PCM) parts at unbeatable prices. Save 50-70% compared to dealership prices.
SSL Secured · Your privacy matters · Read our privacy policy
Start by selecting your vehicle year
Year
Make
Model
Enter your year, make, model, and the part you need.
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Purchase from the seller with confidence. Save 50-70% on parts.
Need a Engine Computer Cadillac Cts? Car Parts Finder USA searches thousands of sellers to find the best engine computer at the lowest prices with guaranteed fitment.

Prices vary by model year — newer vehicles typically cost more. Click any year to search current listings.
2019 Cadillac Cts
$85–$340 used
2018 Cadillac Cts
$70–$280 used
2017 Cadillac Cts
$70–$280 used
2016 Cadillac Cts
$70–$280 used
2015 Cadillac Cts
$70–$280 used
2014 Cadillac Cts
$70–$280 used
2013 Cadillac Cts
$55–$220 used
2012 Cadillac Cts
$55–$220 used
2011 Cadillac Cts
$55–$220 used
2010 Cadillac Cts
$55–$220 used
2009 Cadillac Cts
$55–$220 used
2008 Cadillac Cts
$55–$220 used
2007 Cadillac Cts
$55–$220 used
2006 Cadillac Cts
$55–$220 used
2005 Cadillac Cts
$55–$220 used
2004 Cadillac Cts
$55–$220 used
2003 Cadillac Cts
$55–$220 used
The Engine Computer (ECU/ECM/PCM) is your vehicle's brain, controlling fuel injection, ignition timing, emissions, and overall engine performance. A failing ECU can cause check engine lights, poor fuel economy, starting issues, and erratic engine behavior. The Engine Computer (also known as ECU, ECM, PCM) is a critical component for your Cadillac Cts.
Know when your Cts engine computer needs replacement:
ECU replacement requires matching the unit to your vehicle's VIN. Some units are plug-and-play while others need dealer programming. Used OEM units from the same model year and engine are often preferred as they may not require reprogramming.
$100-$400
$200-$600
$400-$1,200
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