If you’re dealing with frustrating and unpredictable issues in your 2007-2010 Jeep Patriot, Compass, or Dodge Caliber, the root cause is often the very component that controls everything: the Engine Control Module (ECM). I’ve seen it countless times in my 20+ years in the shop—symptoms that seem like a bad fuel pump or a faulty sensor are actually caused by a failing computer. This can lead to endless diagnostic headaches and expensive, unnecessary repairs. Stop chasing ghosts in the machine and get the definitive, reliable solution.
This is a direct-fit replacement Engine Control Module, arriving at your door fully programmed to your vehicle’s specific VIN and mileage. This isn’t just a part; it’s a complete, ready-to-install fix. The moment you receive it, it’s ready to be installed without any need for expensive dealership programming, special scan tools, or costly towing. We handle all the complex software flashing on our end, so you can perform the repair with basic hand tools right in your own driveway. This is the most efficient way to restore your vehicle’s performance, fuel economy, and dependability.
Is Your Vehicle Showing These Symptoms?
A failing ECM can manifest in various ways, often mimicking other component failures. If you’re experiencing any of the following, a faulty computer is a highly likely culprit. Over the years, I’ve diagnosed hundreds of these, and the patterns are consistent.
- ✔ Check Engine Light is on with no clear cause.
- ✔ Stored diagnostic trouble codes (DTCs) like P0601 (Internal Control Module Memory Check Sum Error), P0606 (ECM/PCM Processor Fault), or U0100 (Lost Communication With ECM/PCM).
- ✔ The engine cranks but refuses to start.
- ✔ Intermittent stalling, especially after the vehicle has warmed up.
- ✔ Noticeable decrease in fuel efficiency.
- ✔ Rough idling or poor engine performance.
- ✔ The transmission seems to shift erratically or harshly.
- ✔ The cooling fans run constantly, even when the engine is cold.
Case Study: A Tricky Diagnosis
A customer brought in a 2009 Patriot that would stall randomly at traffic lights. They had already replaced the spark plugs and a crankshaft position sensor at another shop, but the problem persisted. No hard codes were present, just a pending U0100 communication code. After checking all the basics—fuel pressure, battery, and grounds—I focused on the ECM. By monitoring live data, I noticed the 5-volt reference signal would momentarily drop out right before a stall. This pointed directly to an internal failure in the ECM. We installed one of our pre-programmed modules, and the vehicle ran perfectly. It’s a classic example of how a faulty 2007-2010 Patriot Engine Computer can create phantom issues that mislead even experienced technicians.
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 with basic tools. This plug-and-play module eliminates the need for a trip to the dealer.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait at least 10 minutes for the system capacitors to discharge.
- Locate the ECM: On most Patriot, Compass, and Caliber models, the ECM is located in the engine bay, typically mounted to the firewall or inner fender well. It’s a metal box with several large electrical connectors.
- Disconnect the Connectors: Carefully release the locking tabs on the electrical harnesses and pull them straight out from the module. Avoid pulling on the wires themselves.
- Remove the Old Module: Unbolt the old ECM from its mounting bracket. There are usually three or four bolts holding it in place.
- Install the New Module: Mount your new, pre-programmed ECM onto the bracket and tighten the bolts securely.
- Reconnect Everything: Plug the electrical harnesses back into the new module, ensuring they click into place and the locking tabs are engaged. Reconnect the negative battery terminal.
- Final Step: Start the engine. The vehicle will now run with the new computer, which is already configured for all its specific options and security information.
Verified Vehicle Compatibility
This module is a guaranteed fit for a wide range of vehicles and serves as a direct replacement for numerous part numbers, ensuring you get the right component the first time. Please verify your model and engine options below.
- ✔ Jeep Patriot: 2007-2010 (All Engine Options)
- ✔ Jeep Compass: 2007-2010 (All Engine Options)
- ✔ Dodge Caliber: 2007-2008 (All Engine Options)
- ✔ Dodge Caliber: 2009 (1.8L, 2.0L Gasoline, 2.4L with engine option ED3)
- ✔ Dodge Caliber: 2010 (2.0L, 2.4L)
This unit is compatible with the following part numbers: 05150471AA, 05150523AA, 68043260AA, 68043260AB, 04692101AD, 04692101AE, 04692101AF, 68043260AC, 68043260AD, 68043261AC, 68043261AA, 68043261AB, 68070011AA, 68071022AA, 05033359AJ, 05187817AF, 68000107AF, 68026147AA, 68026147AC, 68028201AA, 68028201AC, 68028205AB, 68044228AA.
Frequently Asked Questions About The 2007-2010 Patriot Engine Computer
Do I need to do any programming or flashing myself?
No. This engine computer arrives 100% pre-programmed to your vehicle’s VIN and mileage. It is a true plug-and-play solution, ready for installation right out of the box.
How do I provide my VIN and mileage?
You can enter your VIN and mileage during the checkout process. We cannot ship the module until we have this information to program it correctly for your specific vehicle.
Is this compatible with my vehicle’s anti-theft system?
Yes. During the programming process, we sync the module to your vehicle’s security information using the VIN you provide. This ensures seamless integration with the factory anti-theft and key systems.
What if my original part number is not listed?
The part numbers listed cover the vast majority of compatible modules. If you don’t see your exact number, please contact us with your VIN. We can verify compatibility and ensure you receive the correct part.
Do I need to return my old engine computer?
This purchase does not require a core return. You can keep your old module, though we always recommend recycling old electronics responsibly.