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, […]
Custom Tuning and Remapping Services for Car Computers (ECM / ECU)
Quick Answer Custom ECU tuning adjusts fuel maps, ignition timing, and other parameters to unlock more horsepower, better fuel economy, or both. It’s ideal for performance enthusiasts and fleet operators. Explore Car Computer Exchange tuning services. NOTICE: This page refers to our custom car computer tuning services tailored to individuals looking to get more out of […]
ECU Programming in 2026: How It Works and When You Need It
ECU programming rewrites the software on your car’s computer. See how it works, what it costs, when you need it, and how to skip the dealer step.
Reprogramming Engine Control Modules 101
Quick Answer ECM reprogramming updates your engine computer’s software to fix check engine lights, improve gas mileage, reduce rough idling, and eliminate engine noise. It’s faster and cheaper than replacing the entire unit. Need a reprogrammed ECM? We can help. Does your “check engine” light stay on even though the fuel cap is tight? Does […]
What’s the Difference Between ECM, TCM, and PCM?
Quick Answer ECM controls the engine, TCM controls the transmission, and PCM combines both into one unit. Not all vehicles have all three — many modern vehicles use a single PCM. Regardless of what your vehicle uses, Car Computer Exchange has replacement modules for all configurations. Nowadays, cars are smart. Your vehicle today is as […]
Best Selling Car Computers (Sales Data)
Quick Answer The most popular ECMs we sell are for Dodge, Chrysler, Jeep, and Ford vehicles, with the Dodge Ram 1500 and Jeep Grand Cherokee consistently topping the list. See if we carry an ECM for your vehicle. We’ve been repairing, selling, and shipping car computer modules (ECM, PCM, and TCM units) from our headquarters […]
Do I Need a New Engine Control Module?
Quick Answer You likely need a new ECM if your check engine light stays on, your engine stalls or misfires randomly, fuel economy drops, or your car won’t start. A failing ECM can damage other components over time. Find a replacement ECM for your vehicle. The Engine Control Module, or ECM, is one the most […]