Is your 2005 Dodge Magnum or Chrysler 300 running rough, stalling, or displaying a persistent check engine light? These are classic signs of a failing Engine Control Module (ECM). The ECM is the brain of your vehicle’s engine, controlling everything from fuel mixture and ignition timing to transmission shifting and emissions. When it fails, it can cause a cascade of frustrating and difficult-to-diagnose problems. Get your V8-powered vehicle back on the road quickly and reliably with this direct replacement engine computer, pre-programmed specifically for your vehicle.
From the Diagnostic Bay
We had a 2005 Magnum with the 5.7L HEMI come into the shop with a complaint of intermittent stalling and a random misfire code that kept jumping between cylinders. The owner had already replaced the spark plugs, coil packs, and even a camshaft position sensor, but the problem persisted. After hours of chasing wires, we finally tested the driver circuits within the original ECM. We found that the injector driver for cylinder 3 was failing intermittently under load, causing the misfire and stalling. We installed one of our pre-programmed modules, and the car ran perfectly. It’s a powerful reminder that sometimes the root cause lies with the central computer, not just the sensors and actuators it controls.
Common Symptoms of a Failing 2005 Magnum Engine Computer
- ✔ Check Engine Light is illuminated with various, often inconsistent, trouble codes.
- ✔ Engine stalling, stumbling, or hesitating during acceleration.
- ✔ Noticeable decrease in fuel economy.
- ✔ Rough idling or engine misfires.
- ✔ Difficulty starting the engine or a complete no-start condition.
- ✔ Automatic transmission shifting erratically or harshly.
- ✔ Communication errors with diagnostic scan tools.
The Plug-and-Play Solution
Don’t waste time and money on a costly trip to the dealership for programming. This module is the ideal solution for both DIY mechanics and professional technicians. We take the hassle out of the replacement process. When you place your order, simply provide us with your vehicle’s VIN and current mileage. Our experts will then flash the module with your vehicle’s exact software and security information. When it arrives, the installation is straightforward: disconnect the battery, swap the modules, and reconnect the battery. No special tools or additional programming are required. It’s a true plug-and-play fix that restores your vehicle’s original performance and reliability.
Guaranteed Compatibility
This ECM is a direct replacement for 2005 Dodge Magnum and 2005 Chrysler 300 models equipped with an 8-cylinder engine, built from June 28th, 2004, onwards. It is compatible with a wide range of original part numbers, ensuring a perfect match for your vehicle. Please verify your part number against the list below to confirm fitment.
This module replaces the following part numbers: 04606837AD, 04606837AE, 05094425AD, 05094425AF, 05094425AG, 05094425AH, 05094425AI, 04896418AC, 04896418AD, 04896418AE, 04896418AF, 04896418AG, 04896418AH, 04896418AI, 04896418AJ, 04896418AK, 04896417AA, 04896417AB, 04896417AC, 04896417AD, 04896417AE, 04896417AF, 04896417AG
Frequently Asked Questions
Is this engine computer truly plug-and-play?
Yes, absolutely. We program the unit with your vehicle’s specific VIN and mileage before shipping. This ensures it communicates correctly with all other modules in your car, including the anti-theft system. No further programming or dealer visit is necessary.
Where is the ECM located on my 2005 Dodge Magnum?
The Electronic Control Module (ECM) on the 2005 Dodge Magnum is located in the engine compartment on the driver’s side (LH side), towards the front of the vehicle.
What information do you need from me to program the module?
To ensure a perfect plug-and-play installation, we require your vehicle’s 17-digit Vehicle Identification Number (VIN) and the current mileage. You can typically find the VIN on your driver’s side dashboard or door jamb sticker.
Will this fix my check engine light?
If the check engine light and associated fault codes are being caused by a faulty ECM, then this replacement part will solve the issue. It’s crucial to ensure the ECM is the source of the problem, as this module will not fix issues caused by other faulty sensors or mechanical components.
How can I be sure my original ECM is the problem?
Diagnosing a faulty ECM can be tricky. Common indicators include multiple unrelated error codes, no communication with a scan tool, or having ruled out all other possible causes (like sensors, wiring, and coils) for issues like misfires or stalling. If you’re uncertain, consulting a professional diagnostic technician is always a good idea.