If you’re dealing with a 2007-2010 Dodge Caliber, Jeep Patriot, or Jeep Compass that’s suddenly stalling, refusing to start, or throwing a confusing array of check engine light codes, the root cause is often the Engine Control Module (ECM). As the central computer for your vehicle’s engine and transmission, its failure can bring everything to a grinding halt. I’ve spent years in the service bay tracing these exact symptoms back to a faulty ECM, and I know how frustrating it can be. This isn’t just a part; it’s the solution to get your reliable daily driver back on the road without the dealership-level expense and hassle.
We take the guesswork and complexity out of the repair. This replacement 2007-2010 Caliber Engine Computer arrives at your door fully programmed to your vehicle’s specific VIN and mileage. This means it’s a true plug-and-play installation. You won’t need to pay for expensive dealer programming, tow your vehicle to a shop, or mess with complicated scan tools. It’s designed to restore factory performance and communication between all your vehicle’s critical systems, from fuel injection and ignition timing to automatic transmission shifting.
Common Signs of a Failing Engine Computer
A failing ECM can manifest in numerous ways, some of which can be mistaken for other issues. If your vehicle is experiencing any of the following, a faulty module is a likely culprit:
- ✔ Check Engine Light is illuminated with communication-related or internal processor fault codes (e.g., P0601, P0606, U0100).
- ✔ The engine cranks but refuses to start.
- ✔ Unexplained stalling, especially after the vehicle has warmed up.
- ✔ Poor engine performance, rough idling, or a noticeable drop in fuel economy.
- ✔ Harsh or erratic shifting from the automatic transmission.
- ✔ The cooling fans run constantly, even when the engine is cold, or don’t turn on at all.
- ✔ No communication with your OBD-II scan tool.
From the Diagnostic Bay
I remember a 2009 Jeep Patriot that came into the shop on a tow truck. The owner said it would run fine for about 15 minutes and then die without warning, refusing to restart for an hour. There were no consistent trouble codes, just a U0100 (Lost Communication with ECM) stored. We checked fuel pressure, spark, and all the usual suspects, but everything tested fine. On a hunch, I used a heat gun on the ECM with the engine running. Within two minutes, the engine sputtered and died. The heat was causing an internal circuit board failure. We installed one of these pre-programmed modules, and the customer drove away with a permanent fix, saving hundreds compared to the dealership quote.
A Straightforward Guide to Installation
Replacing the ECM on these models is a job most DIYers can handle in their own driveway. Follow these steps for a smooth installation of your 2007-2010 Caliber Engine Computer.
- Safety First: Always 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 most Caliber, Patriot, and Compass models, the ECM is located in the engine bay, typically mounted to the firewall or an inner fender well.
- 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. There are usually two or three main connectors.
- Remove the Old Module: Unbolt the old ECM from its mounting bracket. It’s typically held in place by a few 10mm or 8mm bolts.
- Install the New Module: Mount your new, pre-programmed ECM onto the bracket and tighten the bolts securely.
- Reconnect Everything: Plug the electrical connectors firmly into the new ECM until they click into place. Reconnect the negative battery terminal.
- Final Step: Turn the key to the ‘ON’ position (without starting the engine) for about 15 seconds to allow the systems to initialize, then start your vehicle. Your repair is complete!
Verified Vehicle Compatibility
This module is a direct-fit replacement for a wide range of vehicles built on this platform. It is guaranteed to be compatible with the following makes, models, and options, as well as the extensive list of part numbers below.
- ✔ Dodge Caliber (2007-2008) – All Engines
- ✔ Dodge Caliber (2009) – 1.8L, 2.0L Gasoline, & 2.4L (Engine Opt ED3)
- ✔ Dodge Caliber (2010) – 2.0L & 2.4L
- ✔ Jeep Compass (2007-2010) – All Engines
- ✔ Jeep Patriot (2007-2010) – All Engines
This unit replaces 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.
Do I need to do any programming?
Do I need to do any programming?
No. This engine computer comes fully programmed to your vehicle’s VIN and mileage. It is a 100% plug-and-play solution, ready for installation right out of the box. No dealer visit is required.
How do I provide my VIN and mileage?
You can provide your vehicle’s VIN and current mileage during the checkout process. Please double-check the VIN for accuracy to ensure perfect programming.
Will this fix my transmission shifting problems?
In many cases, yes. The ECM plays a critical role in controlling the automatic transmission. If the ECM is failing, it can cause erratic shifting, delayed engagement, or other transmission-related symptoms. Replacing a faulty ECM often resolves these issues.
Is this compatible with my existing keys?
Yes. Our programming process ensures the module works seamlessly with your vehicle’s existing keys and anti-theft system (if equipped). No key reprogramming is necessary.
What if my original part number is not listed?
The part numbers listed are the most common, but there may be others. As long as your vehicle is a 2007-2010 Dodge Caliber, Jeep Patriot, or Jeep Compass, this module is the correct replacement. The programming makes it compatible.