Restore Your Vehicle’s Core Performance and Reliability
Is your Jeep Patriot, Compass, or Dodge Caliber suddenly acting up? If you’re dealing with frustrating issues like random stalling, a car that won’t start, a persistent check engine light, or erratic engine behavior, the problem often points directly to a failing Engine Control Module (ECM). As the brain of your vehicle, the ECM controls everything from fuel mixture and ignition timing to transmission shifting. When it fails, it can cause a cascade of problems that are not only annoying but can also be unsafe. This is where our pre-programmed 2007-2010 Patriot Engine Computer provides a dependable and straightforward solution.
For over two decades in the shop, I’ve seen countless drivers spend a fortune at the dealership for what should be a simple component swap. They charge for the part, the diagnostic time, and then hundreds more for programming. We eliminate that hassle and expense. This module arrives at your door fully flashed with your vehicle’s specific VIN and current mileage. It’s a true plug-and-play fix, designed to get you back on the road with confidence and without the need for any specialized tools or software.
From the Diagnostic Bay: The Intermittent Stall Case
A customer brought in a 2009 Jeep Compass that would stall unpredictably at traffic lights. No check engine light, no consistent codes—a real head-scratcher. After checking fuel pressure and spark, which were fine, we hooked up a high-end scanner to monitor live data. We noticed the 5-volt reference signal from the ECM would momentarily drop out right before a stall. This tiny flicker was enough to shut down critical sensors. The culprit wasn’t a bad sensor, but the ECM itself. Swapping in a pre-programmed unit like this one provided an immediate, permanent fix. These intermittent electrical faults are a classic sign of internal ECM failure on this platform.
Common Signs of a Failing Engine Computer
If you’re noticing any of the following symptoms, a faulty ECM is a likely cause. Replacing your module can resolve these issues and restore your vehicle’s proper function.
- âś” Check Engine Light is on with codes like P0601 (Internal Control Module Memory Check Sum Error), P0605, or P0606.
- âś” Vehicle has trouble starting or won’t start at all.
- âś” Engine stalls for no apparent reason, either while driving or at idle.
- âś” A noticeable drop in fuel economy (MPG).
- âś” Poor engine performance, including hesitation or sputtering.
- âś” Communication errors with diagnostic scan tools (e.g., U0100).
- âś” Automatic transmission shifting erratically or harshly.
A Straightforward Guide to Installation
Installing your new 2007-2010 Patriot Engine Computer is a simple process that most DIYers can complete in under an hour. No special programming is required.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait about 10 minutes to ensure the system is fully discharged.
- Locate the ECM: On most Patriot, Compass, and Caliber models, the Engine Control Module is located in the engine bay, typically mounted to the firewall or inner fender. It’s a metal box with several large electrical connectors.
- Disconnect and Remove: Carefully unplug the electrical harnesses from the old module. There are usually release tabs you’ll need to press. Once disconnected, unbolt the module from its mounting bracket.
- Install the New Module: Bolt your new, pre-programmed ECM into the same location. Ensure it is secure.
- Reconnect Everything: Firmly plug the electrical harnesses into the new module. You should hear a click as they lock into place. Reconnect the negative battery terminal.
- Final Step: Start the vehicle. The engine may run a bit rough for the first few minutes as the computer completes its internal learning cycles. Let it idle for a few minutes, then take it for a short test drive.
Verified Vehicle Compatibility
This ECM is a direct-fit replacement for a wide range of vehicles and is compatible with numerous original part numbers. Please verify your vehicle and options below. This unit replaces part numbers including: 05150471AA, 05150523AA, 68043260AA, 68043260AB, 68028201AA, 68028201AC, and many more listed in the product details.
- Jeep Patriot: 2007, 2008, 2009, 2010 (Electronic Control Module)
- Jeep Compass: 2007, 2008, 2009, 2010 (Electronic Control Module)
- Dodge Caliber: 2007-2008 (Electronic Control Module)
- Dodge Caliber: 2009 (Electronic Control Module; 1.8L, 2.0L Gasoline, or 2.4L with engine opt ED3)
- Dodge Caliber: 2010 (Electronic Control Module; 2.0L or 2.4L)
Frequently Asked Questions
Do I need to get this computer programmed by a dealer?
No. This engine computer comes fully programmed to your vehicle’s VIN and mileage. It is a plug-and-play solution, requiring no additional programming or dealer visits.
What information do you need from me?
After you place your order, we will need your vehicle’s 17-digit Vehicle Identification Number (VIN) and the current mileage. This ensures we can program the module correctly for your specific car.
How do I find my original part number?
The part number is printed on a sticker on your original ECM. Cross-referencing this number with our compatible list ensures a perfect match, though our programming to your VIN guarantees compatibility.
Is this a reliable fix for a no-start condition?
Yes, a failed ECM is one of the most common causes of a no-start or intermittent start condition on these vehicles. If other components like the battery and starter have been checked, this module is often the solution.
What is your warranty policy?
We stand behind our products with a comprehensive warranty. Please see our warranty page for full details on coverage and terms for this specific part.