Is Your Jeep Compass or Patriot Acting Up? Get a Reliable, Programmed Solution.
As a mechanic with over two decades of diagnostic experience, I’ve seen countless drivers frustrated by erratic engine behavior. If your 2007-2010 Jeep Compass, Patriot, or Dodge Caliber is stalling, misfiring, or simply won’t start, a failing Engine Control Module (ECM) is a very likely culprit. The ECM is the brain of your vehicle, and when it starts to go, it can cause a cascade of confusing and costly problems. Don’t let a faulty computer keep you off the road. This is the direct, dependable fix you need.
This isn’t just a replacement part; it’s a complete solution. We handle the complex part for you by programming this 2007-2010 Compass Engine Computer to your vehicle’s specific VIN and mileage. When it arrives at your door, it’s ready for a straightforward, plug-and-play installation. You can bypass the expensive dealership visit and the hassle of finding a shop with the right programming tools. This is the most efficient way to restore your vehicle’s performance and peace of mind.
A Technician’s Notebook: The Phantom Misfire
I once had a 2009 Jeep Patriot in the bay that was driving the owner crazy. It had a random misfire (P0300) and occasional stalling, but only when warm. The owner had already replaced plugs, coils, and even injectors. My scan tool showed good data, but the communication with the PCM would flicker intermittently. After checking all the grounds and power feeds to the module, I knew the internal processor was failing under heat soak. We installed a pre-programmed ECM just like this one, and the problem was solved instantly. It’s a classic failure mode for these modules, where heat and vibration take their toll over the years.
Diagnosing a Faulty ECM: Key Symptoms
A failing engine computer can mimic other problems, but here are the tell-tale signs I look for first during a diagnosis. If you’re experiencing several of these, the ECM is the prime suspect.
- ✔ Check Engine Light is on with codes like P0601 (Internal Control Module Memory Check Sum Error), P0605, or P0606.
- ✔ The engine cranks but refuses to start.
- ✔ Unexplained stalling or rough idling, especially after the vehicle has warmed up.
- ✔ A noticeable drop in fuel economy.
- ✔ Poor engine performance, hesitation, or misfires.
- ✔ Automatic transmission shifting problems or harsh shifts.
- ✔ No communication with the scan tool, or loss of communication with other modules (U-codes).
DIY Installation: Get Back on the Road Fast
One of the biggest benefits of this module is its simple installation. You don’t need specialized computer equipment. Just basic hand tools and about 30-45 minutes.
- Safety First: Disconnect the negative terminal from your vehicle’s battery and secure it away from the post to prevent accidental contact.
- Locate the ECM: On most Jeep Compass, Patriot, and Dodge Caliber models, the ECM is located in the engine bay, typically mounted to the firewall or inner fender well.
- Disconnect the Connectors: Carefully release the locking tabs on the wiring harness connectors and pull them straight out from the old ECM. Inspect them for any corrosion or damage.
- 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 ECM: Mount your new, pre-programmed ECM onto the bracket and tighten the bolts securely.
- Reconnect Everything: Plug the wiring harnesses back into the new ECM until they click firmly into place. Reconnect the negative battery terminal.
- Final Step: Start the engine and let it run for a few minutes. Your vehicle is now ready to drive!
Guaranteed Vehicle Compatibility
This engine computer is a direct-fit replacement for a wide range of vehicles and part numbers, ensuring you get the correct component. It is compatible with the original part number 05150523AA and interchanges with all the part numbers listed below. Please confirm your vehicle is on this list:
JEEP PATRIOT: 2007-2010 Electronic Control Module
DODGE CALIBER: 2007-2008 Electronic Control Module
DODGE CALIBER: 2009 (1.8L & 2.0L Gasoline Engines)
DODGE CALIBER: 2009 (2.4L Engine, opt ED3)
DODGE CALIBER: 2010 (2.0L & 2.4L Engines)
Interchangeable 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
Do I need to do any programming after I install this?
Do I need to do any programming after I install this?
No. This 2007-2010 Compass Engine Computer arrives fully programmed to your vehicle’s VIN and mileage. It is a true plug-and-play solution, requiring no additional programming or dealer visits.
How do I provide my VIN and mileage?
You will be prompted to enter your vehicle’s information during the checkout process. Please double-check the VIN for accuracy to ensure perfect programming.
Will this fix my Check Engine Light?
If the Check Engine Light is caused by an internal failure of the ECM (like code P0601), then yes, this part will resolve the issue. However, if the light is on for another reason (e.g., a bad oxygen sensor), that separate issue will still need to be addressed.
Is this compatible with my Dodge Caliber?
Yes, this module is compatible with Dodge Caliber models from 2007-2010 with specific engine options as listed in our compatibility chart. Please verify your year and engine to ensure proper fitment.
What tools do I need for installation?
You only need basic hand tools. Typically, a simple socket set to remove the mounting bolts and a wrench to disconnect the battery terminal are all that is required for this job.