Manufacturers of Automobile Engine Computers
Quick Answer Major ECM manufacturers include Bosch, Delphi (now BorgWarner), Continental, Denso, and Hitachi. Each manufacturer supplies different vehicle makes. No matter who made your original ECM, Car Computer Exchange can provide a replacement with the correct OEM software. Since their inception, car engine computers — also commonly referred to as a car’s PCM, ECM, […]
How Car Computers Work in 2026: ECM, PCM, and ECU Guide
Car computers (ECMs, PCMs, ECUs) control fuel injection, ignition, transmission, and braking. Learn how sensors, processing, and actuators work together in your vehicle.
Where Is the PCM Located? ECM Location Guide (2026)
Where is the PCM or ECM located? Most sit in the engine bay near the battery or firewall, some inside the cabin. Find your engine computer by make and model.
PCM Replacement in 2026: Repair, Replace, or Reprogram?
Replacing a PCM means matching the right unit, programming it to your VIN, and finishing any relearn the car needs. Here is how PCM replacement works.
How Do I Know I’m Buying the Right PCM?
Quick Answer Match by your vehicle’s exact year, make, model, engine size, and VIN. At Car Computer Exchange, every PCM is programmed to your specific VIN, ensuring compatibility with your transmission type, emission system, and all engine sensors. Enter your vehicle info to find the right PCM. How do I know this is the right […]
California is the Most Popular State for Car Computers in 2018
Quick Answer California leads the nation in ECM purchases, which makes sense given the state has more registered vehicles than any other. Texas, Florida, New York, and North Carolina round out the top five. Wherever you are, we ship nationwide. We’ve shipped more auto computers — powertrain control modules (PCMs), engine control modules (ECMs), and […]
Diesel vs. Gasoline Engines and Powertrain Control Modules
Quick Answer Diesel and gasoline engines use different PCMs because they have fundamentally different combustion processes. Diesel PCMs manage glow plugs and higher compression ratios, while gas PCMs manage spark plugs and catalytic converters. Find the right module for your engine type. Every time you pull up to the gas station, you probably always notice […]
ECM, PCM & TCM Error Codes: Meanings and Causes (2026)
ECM error codes explained. What each OBD-II code means, its common cause, and which codes point to a failed engine computer instead of a sensor.
Power Control Module Cost: 2026 PCM & ECM Price Guide
A power control module costs $250 to $600 remanufactured and VIN-programmed, versus $800 to $2,000+ at a dealer. See the full engine control module replacement cost breakdown.
Does Your Ford Need a Replacement Engine Control Module (ECM)?
Quick Answer Common signs your Ford needs a new ECM: persistent check engine light, rough idle, stalling, poor fuel economy, and transmission shifting problems. Find a VIN-programmed ECM for your Ford — plug-and-play, no dealer trip needed. Do you need a replacement car computer (ECM) for your Ford? If your daily driver is a Ford, […]