Car Parts Finder USAAudi A4 Engine Computer (ECU/ECM/PCM)
Find quality Audi A4 engine computer (also known as ECU, ECM, PCM) parts at unbeatable prices. Save 50-70% compared to dealership prices.
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Car Parts Finder USAAudi A4 Engine Computer (ECU/ECM/PCM)
Find quality Audi A4 engine computer (also known as ECU, ECM, PCM) parts at unbeatable prices. Save 50-70% compared to dealership prices.
Find quality Audi A4 engine computer parts
Save 50-70% compared to dealership prices
OEM and aftermarket options available
Guaranteed fitment with buyer protection
1M+ Parts
Nationwide Search
Buyer Protected
SSL Secured · Your privacy matters · Read our privacy policy
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AboutCar Parts Finder USA
Need a Engine Computer Audi A4? Car Parts Finder USA searches thousands of sellers to find the best engine computer at the lowest prices with guaranteed fitment.
- Engine Computer from verified sellers with condition grading
- Compare prices across multiple sources instantly
- Warranty included from most sellers (30-90 days)
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30 Model Years Available (1996–2025)
Audi A4 Engine Computer Price by Year
Prices vary by model year — newer vehicles typically cost more. Click any year to search current listings.
2025 Audi A4
$100–$400 used
2024 Audi A4
$100–$400 used
2023 Audi A4
$100–$400 used
2022 Audi A4
$85–$340 used
2021 Audi A4
$85–$340 used
2020 Audi A4
$85–$340 used
2019 Audi A4
$85–$340 used
2018 Audi A4
$70–$280 used
2017 Audi A4
$70–$280 used
2016 Audi A4
$70–$280 used
2015 Audi A4
$70–$280 used
2014 Audi A4
$70–$280 used
2013 Audi A4
$55–$220 used
2012 Audi A4
$55–$220 used
2011 Audi A4
$55–$220 used
2010 Audi A4
$55–$220 used
2009 Audi A4
$55–$220 used
2008 Audi A4
$55–$220 used
Showing 18 of 30 years. Use the year picker above to find all years.
About the Audi A4 Engine Computer (ECU/ECM/PCM)
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 Audi A4.
Signs of Failure
Know when your A4 engine computer needs replacement:
- Check engine light stays on
- Engine won't start or hard starting
- Poor fuel economy
- Rough idle or stalling
- Transmission shifting problems
- Failed emissions test
- Random misfires
- Reduced power or limp mode
Replacement Info
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.
Time: 30 min - 2 hours (plus programming time if needed)
Difficulty: Moderate - Easy to install, may need programming
Audi A4 Engine Computer Price Comparison
BEST VALUE
Used Parts
$100-$400
- 50-70% savings
- OEM quality
- Tested & verified
- Warranty available
Aftermarket
$200-$600
- Brand new
- Various brands
- Good warranty
- Easy availability
OEM New
$400-$1,200
- Factory exact
- Best warranty
- Guaranteed fit
- Highest quality
Where to Buy Audi A4 Engine Computer Parts
Online Sellers
Shop online sellers for A4 engine computer parts with fast shipping nationwide.
Shop OnlineLocal Scrapyards
Find professional salvage yards near you with tested A4 engine computer parts and warranties.
Search PartsDIY Junkyards
Pull your own A4 engine computer at self-service junkyards for maximum savings.
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