How to Reset a Jeep ECU Safely
Knowing how to reset a Jeep ECU can clear minor issues fast, but it won’t fix a module that has truly failed.
2005 and 2006 Jeep Wrangler PCM Problems (and Fixes!)
Quick Answer 2005–2006 Jeep Wrangler TJ models are notorious for PCM failures. Symptoms include random stalling, misfiring, false error codes, and starting problems. A replacement PCM pre-programmed to your VIN is usually the fastest fix — browse Jeep Wrangler PCMs here. The powertrain control module (PCM) — sometimes also called an engine computer, ECM, or TCM — […]
What’s a Core Charge / Deposit When Buying an ECM?
Quick Answer A core charge is a refundable deposit (typically $50–$100) you pay when buying a remanufactured ECM. Once you send back your old module, the deposit is refunded. It keeps the remanufacturing cycle going and keeps ECM prices low. If you’re shopping for an engine control module for your Dodge, Jeep, Ford, or some […]
10 of the Cheapest Engine Control Modules (ECMs) for Sale
Quick Answer Remanufactured ECMs start as low as $100–$200 depending on your vehicle’s make and model. Every unit from Car Computer Exchange is reprogrammed with OEM software and matched to your VIN — no dealer programming needed. Your car is the sum of a variety of modern technologies that all work together to drive you […]
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.
When is it Time to Repair or Replace My Vehicle’s Engine Computer?
Quick Answer Replace your engine computer if you see persistent check engine lights, stalling, misfiring, poor fuel economy, or won’t-start conditions that don’t trace back to other components. A remanufactured ECM from Car Computer Exchange arrives pre-programmed and installs in minutes. A malfunctioning or failing powertrain control module (PCM), transmission control module (TCM), or engine […]
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.
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 […]