Is Your Jeep Patriot Experiencing Mysterious Engine Problems?
If your 2007-2010 Jeep Patriot, Compass, or Dodge Caliber is suffering from issues like erratic idling, stalling, poor fuel economy, or a persistent Check Engine Light that won’t go away, a failing Engine Control Module (ECM) is a very likely culprit. The ECM is the brain of your vehicle’s engine, managing everything from fuel injection and ignition timing to emissions control. When it starts to fail, it can cause a cascade of frustrating and difficult-to-diagnose problems, leaving you stranded and facing a costly repair bill from the dealership.
We had a 2009 Jeep Patriot come into the shop with a persistent P0302 (Cylinder 2 Misfire) code. The owner had already replaced the spark plug, ignition coil, and fuel injector for that cylinder, but the misfire kept returning, especially under load. Standard diagnostics showed all components were working. On a hunch, we scoped the injector driver circuit directly at the ECM connector. We found the signal from the ECM to the number two injector was weak and inconsistent. The internal driver in the original ECM was failing, a common issue on these units. A replacement pre-programmed ECM like this one solved the problem instantly, saving the customer from throwing more parts at a problem that wasn’t in the engine bay.
Common Symptoms of a Failing ECM
- ✔ Persistent Check Engine Light (CEL) with various trouble codes.
- ✔ Engine stalling or shutting off unexpectedly while driving.
- ✔ Rough or erratic engine idle.
- ✔ Noticeable decrease in fuel efficiency.
- ✔ Misfires or hesitation during acceleration.
- ✔ No-start or hard-start conditions, especially when the engine is warm.
- ✔ Communication errors with diagnostic scan tools.
- ✔ Issues with automatic transmission shifting.
The Simple, Cost-Effective Solution: A Programmed 2007-2010 Patriot ECM
Forget about expensive dealership visits, towing fees, and the hassle of getting a new computer programmed. This replacement 2007-2010 Patriot ECM arrives at your doorstep completely programmed to your vehicle’s specific Vehicle Identification Number (VIN) and mileage. This is a true plug-and-play solution. The process is straightforward: simply disconnect your battery, swap the old module with this new one, and reconnect the battery. There is absolutely no additional programming or dealer intervention required. You get a reliable, fully functional engine computer that restores your vehicle’s performance and reliability without the dealership price tag.
This module is a direct replacement for a wide range of part numbers, ensuring compatibility and a perfect fit for your vehicle. We’ve taken care of the complex part so you can focus on the simple installation and get your vehicle back on the road quickly and confidently.
Guaranteed Compatibility
This engine control module is a direct fit for the following vehicles and part numbers:
- Jeep Patriot: 2007, 2008, 2009, 2010
- Jeep Compass: 2007, 2008, 2009, 2010
- Dodge Caliber: 2007, 2008, 2009, 2010 (Fits 1.8L, 2.0L, and 2.4L engines as specified)
This unit replaces the following part numbers: 05150471AA, 05150523AA, 68043260AA, 68043260AB, 04692101AD, 04692101AE, 04692101AF, 68043260AC, 68043260AD, 05150471AA, 05150523AA, 68043261AC, 68043261AA, 68043261AB, 68070011AA, 68071022AA, 05033359AJ, 05187817AF, 68000107AF, 68026147AA, 68026147AC, 68028201AA, 68028201AC, 68028205AB, 68044228AA and more. If your part number is on this list, this is the correct module for you.
Frequently Asked Questions
What is an ECM and what does it do?
The Engine Control Module (ECM), also known as the Powertrain Control Module (PCM), is a powerful computer that acts as the central nervous system for your vehicle’s engine. It takes in data from dozens of sensors and uses it to control critical functions like fuel delivery, spark timing, and emissions systems to ensure optimal performance, fuel economy, and low emissions.
Is this ECM really “Plug and Play”?
Yes, absolutely. We program the module with the latest software updates and your vehicle’s specific VIN and mileage before it ships. This means all the necessary security and vehicle-specific information is already loaded. You just need to install it, and your vehicle will start and run correctly without any need for a trip to the dealer for programming.
How do I know for sure that my ECM is the problem?
While the symptoms listed above are strong indicators, the only way to be 100% certain is through proper diagnostics by a qualified technician. This often involves checking for communication with the module, testing sensor inputs and outputs, and ruling out other potential causes like wiring issues or faulty sensors. The story in our “From the Diagnostic Bay” section is a perfect example of how complex these issues can be.
Where is the ECM located on my 2007-2010 Jeep Patriot?
On the 2007-2010 Jeep Patriot, Compass, and Dodge Caliber, the ECM is typically located in the engine bay, mounted to the firewall or inner fender well. It’s a silver metal box with several large electrical connectors. Always disconnect the vehicle’s battery before attempting to remove or install the ECM.
Do I need to send my old part back?
This purchase does not require a core return. You can keep your old module or dispose of it responsibly without any additional charges or hassle.