Restore Your Vehicle’s Brain and Get Back on the Road
If your Jeep Compass, Patriot, or Dodge Caliber is giving you headaches with unpredictable stalling, a persistent check engine light, or a frustrating no-start condition, the root cause is often a failing Engine Control Module (ECM). As the central computer, a faulty ECM can throw your vehicle’s entire operation into chaos. I’ve seen it countless times in my 20+ years on the shop floor: owners spend hundreds on sensors and other parts, only to find the core issue was the computer all along. This module is the definitive, reliable solution to restore your vehicle’s performance and peace of mind.
This isn’t just a replacement part; it’s a complete, ready-to-install solution. We take the hassle and high cost of dealership programming out of the equation. Simply provide us with your vehicle’s VIN and current mileage during checkout, and we’ll flash the module specifically for your car. When it arrives, it’s 100% Plug & Play. No expensive scan tools, no towing to the dealer—just a straightforward installation that a confident DIYer or any professional mechanic can handle in under an hour.
From the Diagnostic Bay
I remember a 2009 Dodge Caliber that came into the shop on a tow truck. The owner had replaced the crankshaft and camshaft sensors, the throttle body, and was about to give up. The car would crank but never start, and the cooling fans ran constantly as soon as the key was turned—a classic sign of a distressed or non-communicative PCM on these platforms. We plugged in our scanner and got a U0100 ‘Lost Communication with ECM/PCM’ code. Instead of more guesswork, we installed one of these pre-programmed modules. The car fired up on the first try and ran perfectly. This part saved the customer from more diagnostic fees and unnecessary part replacements.
Common Signs of a Failing Engine Computer
A failing ECM can manifest in various ways, often mimicking other component failures. If you’re experiencing any of the following, your engine computer is a likely culprit:
- ✔ Engine stalling or misfiring for no apparent reason
- ✔ Complete no-start condition where the engine just cranks
- ✔ Check Engine Light is on with communication-related codes (like U0100) or internal processor codes (P0601, P0606)
- ✔ Poor or erratic automatic transmission shifting
- ✔ A significant, unexplained drop in fuel economy
- ✔ Issues with other electronic systems, like the throttle control or cooling fans
A Straightforward Guide to Installation
Installing your new 2007-2010 Compass Engine Computer is a simple process. With basic hand tools, you can get your vehicle running smoothly again.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before beginning any electrical work.
- Locate the ECM: On most Compass, Patriot, and 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 main wiring harness connectors 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 secure it with the bolts.
- Reconnect and Secure: Plug the wiring harness connectors firmly back into the new module until they click into place. Reconnect the negative battery terminal.
- Final Check: Turn the key to the ‘ON’ position for 10-15 seconds before starting the engine. This allows the new ECM to sync with the vehicle’s other modules. Start the engine and check for proper operation.
Verified Vehicle Compatibility
This ECM is a direct-fit replacement, guaranteed to be compatible with the following vehicles and engine configurations. It replaces a wide range of original part numbers, ensuring a perfect match for your car.
- ✔ 2007-2010 Jeep Compass (All engine options)
- ✔ 2007-2010 Jeep Patriot (All engine options)
- ✔ 2007-2008 Dodge Caliber (All engine options)
- ✔ 2009 Dodge Caliber (1.8L, 2.0L Gasoline, 2.4L with engine option ED3)
- ✔ 2010 Dodge Caliber (2.0L, 2.4L)
This module is a direct replacement for part numbers: 05150471AA, 05150523AA, 68043260AA, 68043260AB, 04692101AD, 04692101AE, 04692101AF, 68043260AC, 68043260AD, 68043261AC, 68043261AA, 68043261AB, 68070011AA, 68071022AA, 05033359AJ, 05187817AF, 68000107AF, 68026147AA, 68026147AC, 68028201AA, 68028201AC, 68028205AB, and 68044228AA.
Do I need to do any programming myself?
Do I need to do any programming myself?
No. This 2007-2010 Compass Engine Computer arrives at your door fully programmed to your vehicle’s specific VIN and mileage. It is a true Plug & Play solution, requiring no further action from a dealer or mechanic.
How do I provide my VIN and mileage?
You can enter your Vehicle Identification Number (VIN) and current mileage in the designated fields during the checkout process. We cannot program the module without this information.
Will this fix my check engine light?
If the check engine light is caused by a faulty ECM (e.g., codes P0601, U0100), then yes, this part will resolve the issue. However, if the light is on due to other failing sensors or components, those issues will still need to be addressed separately.
Is this compatible with my Jeep Patriot or Dodge Caliber?
Yes, this module is compatible with 2007-2010 Jeep Patriot and 2007-2010 Dodge Caliber models as detailed in the ‘Verified Vehicle Compatibility’ section. It’s a cross-compatible part for that vehicle platform.