Restore Peak Performance to Your Jeep or Dodge
If you’re dealing with frustrating issues like your vehicle stalling, refusing to start, shifting erratically, or a persistent Check Engine Light, a failing Engine Control Module (ECM) is often the culprit. I’ve spent years in the service bay tracing these exact symptoms back to the vehicle’s computer. For owners of a Jeep Compass, Patriot, or Dodge Caliber, this isn’t just a part—it’s the brain of your engine. A faulty one can make your reliable daily driver feel unpredictable and unsafe. This is the straightforward, reliable solution you’ve been looking for.
This isn’t a generic, one-size-fits-all part. We take the guesswork and hassle out of the repair by pre-programming this 2007-2010 Compass Engine Computer to your vehicle’s specific Vehicle Identification Number (VIN) and mileage. This means when it arrives at your door, it’s ready for a true Plug & Play installation. You can bypass the expensive dealership visit for programming, saving you significant time and money. It’s designed to restore the precise fuel delivery, ignition timing, and transmission communication your vehicle had from the factory.
From the Diagnostic Bay: The Intermittent Stall Case
I remember a 2009 Jeep Patriot that came into the shop with a problem that drove the owner crazy. It would run perfectly for days, then suddenly stall at a stoplight and refuse to restart for 10-15 minutes. No consistent trouble codes were stored, just a random U0100 (Lost Communication with ECM) every once in a while. We checked fuel pressure, sensors, and wiring harnesses—everything seemed fine. On a hunch, after letting the engine get to full operating temperature, I used a heat gun on the ECM housing. Within 30 seconds, the engine sputtered and died. The internal processor was failing under heat stress, a common issue with these units after years of heat cycles. A pre-programmed replacement ECM like this one had the Patriot running reliably in under an hour, solving a weeks-long headache for the customer.
Is Your Vehicle Showing These Signs of ECM Failure?
- ✔ Check Engine Light is on with codes like P0601 (Internal Control Module Memory Check Sum Error), P0605 (Internal Control Module ROM Error), or U0100 (Lost Communication with ECM).
- ✔ The engine cranks but refuses to start.
- ✔ Unexplained stalling or rough idling, especially when warm.
- ✔ Noticeable decrease in fuel economy.
- ✔ Harsh or incorrect automatic transmission shifting.
- ✔ The cooling fans run constantly or not at all.
- ✔ No communication with your OBD-II scan tool.
DIY-Friendly Installation: A Step-by-Step Guide
Installing your new 2007-2010 Compass Engine Computer is a straightforward job that most DIYers can handle with basic tools. This simple process gets you back on the road without a trip to the mechanic.
- Safety First: Disconnect the negative terminal from your vehicle’s battery and secure it away from the post to prevent any accidental reconnection.
- Locate the ECM: On these models, the ECM is typically found in the engine bay, often near the battery or firewall. It’s a silver metal box with several large electrical connectors.
- Disconnect the Connectors: Carefully release the locking tabs on the electrical connectors and pull them straight out from the module. Avoid pulling on the wires themselves.
- Remove the Old Module: Unbolt the mounting hardware that secures the old ECM to the vehicle’s chassis. Set the old module aside.
- Install the New ECM: Mount your new, pre-programmed ECM in the same location and secure it with the original hardware.
- Reconnect Everything: Plug the electrical connectors firmly back into the new module until they click into place. Reconnect the negative battery terminal. The installation is complete—your vehicle is ready to start.
Verified Fitment for Your Vehicle
This module is a guaranteed fit for a range of Chrysler platform vehicles. Please verify your model and engine options below. This part replaces a wide variety of original part numbers, ensuring broad compatibility for your specific 2007-2010 Compass Engine Computer needs and more.
- Jeep Compass: 2007, 2008, 2009, 2010
- Jeep Patriot: 2007, 2008, 2009, 2010
- Dodge Caliber: 2007, 2008 (All Engines)
- Dodge Caliber: 2009 (1.8L, 2.0L Gasoline, 2.4L with engine option ED3)
- Dodge Caliber: 2010 (2.0L, 2.4L)
Compatible 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
What does ‘Plug & Play’ actually mean?
It means we program the module with your vehicle’s VIN and mileage before we ship it. When you receive it, you can simply install it, and it will work correctly without requiring any additional programming from a dealership or specialized mechanic. It’s the simplest way to replace an ECM.
Do I need to send my old computer (core) back?
No core charge or return is required for this part. You can keep, recycle, or dispose of your old module at your convenience.
How do I provide my VIN and mileage?
You can enter your vehicle’s VIN and current mileage during the checkout process. Please double-check it for accuracy, as this information is critical for correct programming.
Will this fix my specific problem?
This ECM is a direct solution for issues caused by a faulty computer, such as specific diagnostic codes (P0601, U0100), no-start conditions, or erratic engine behavior. While it resolves many common problems, we always recommend a proper diagnosis to confirm the ECM is the point of failure before ordering.
Is this compatible with my Dodge Caliber or Jeep Patriot?
Yes. This engine computer is fully compatible with the 2007-2010 Jeep Patriot and specific 2007-2010 Dodge Caliber models as listed in the fitment section. It’s a shared platform part, making it a reliable fix for all three vehicles.