Restore Your Jeep’s Brain and Get Back on the Road with Confidence
If you’re dealing with a 2007-2010 Jeep Patriot, Compass, or Dodge Caliber that’s giving you headaches—stalling unexpectedly, refusing to start, or running rough with a persistent Check Engine Light—the root cause is often a failing Engine Control Module (ECM). As a technician with over two decades of experience under the hood, I’ve seen firsthand how a faulty ECM can turn a reliable vehicle into a source of constant frustration. This isn’t just an inconvenience; it’s a critical component failure that affects performance, fuel economy, and safety. You need a solution that’s not only reliable but also straightforward and cost-effective.
This is the definitive solution for your vehicle. This Engine Control Module arrives at your doorstep fully programmed to your vehicle’s specific VIN and mileage. That means no expensive trips to the dealership for programming, no special scan tools required, and no complex procedures. It’s a true plug-and-play fix designed for both the seasoned professional mechanic and the determined DIYer. By replacing your old, failing unit with this pre-programmed 2007-2010 Patriot Engine Computer, you’re not just swapping a part; you’re restoring the core logic that controls everything from fuel injection to ignition timing, ensuring your engine runs exactly as the manufacturer intended.
Case Study: A Tricky Diagnosis
I remember a 2009 Jeep Patriot that came into my shop with a baffling intermittent no-start condition. The owner had already replaced the battery and starter with no luck. It would run fine for days, then suddenly refuse to crank. We scanned it and found no communication codes, just a history of random sensor faults. After checking all the power and ground connections to the ECM, we noticed that wiggling the main connector would sometimes allow it to start. This pointed to an internal failure in the ECM itself—likely a cracked solder joint on the main circuit board. We installed a pre-programmed unit just like this one, and the Patriot started perfectly every time. It’s a classic example of how the 2007-2010 Patriot Engine Computer can fail internally, causing symptoms that mimic other component failures.
Common Signs of a Failing Engine Computer
A failing ECM can manifest in numerous ways. If your vehicle is experiencing any of the following, a faulty module is a likely culprit:
- âś” Check Engine Light is on with codes like P0601 (Internal Control Module Memory Check Sum Error), P0606 (ECM/PCM Processor Fault), or other communication errors.
- âś” Vehicle cranks but refuses to start.
- âś” Intermittent stalling, especially when warm or at idle.
- âś” Noticeable decrease in fuel efficiency.
- âś” Poor engine performance, hesitation, or misfires.
- âś” Automatic transmission shifting erratically or harshly.
- âś” The cooling fans run constantly or not at all.
A Straightforward Guide to Installation
Installing your new 2007-2010 Patriot Engine Computer is a simple process that you can complete in your own driveway. This plug-and-play module eliminates the most difficult step—programming. Just follow these basic steps to get your vehicle running smoothly again.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait at least 10 minutes to allow the system’s capacitors to discharge.
- Locate the ECM: On most Patriot, Compass, and Caliber models, the engine computer 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 each electrical harness connector 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 a few 10mm 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 the electrical harnesses, ensuring they click securely into place.
- Reconnect the Battery: Reattach the negative battery terminal. Your vehicle is now ready to start. It may take a few drive cycles for all systems and monitors to fully reset.
Verified Vehicle Compatibility
This module is a direct replacement for a wide range of part numbers and is guaranteed to fit the following vehicles. Please verify your vehicle and engine options below to ensure proper fitment.
COMPASS 07-10 Electronic Control Module
CALIBER 07-08 Electronic Control Module
CALIBER 09 Electronic Control Module; 1.8L
CALIBER 09 Electronic Control Module; 2.0L, gasoline
CALIBER 09 Electronic Control Module; 2.4L, engine opt ED3
CALIBER 10 Electronic Control Module; 2.0L
CALIBER 10 Electronic Control Module; 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
What information do you need to program the module?
We require your vehicle’s 17-digit Vehicle Identification Number (VIN) and the current mileage. This ensures the ECM is a perfect match for your vehicle’s factory settings and security system.
Is this really ‘Plug and Play’?
Yes. ‘Plug and Play’ means the module arrives pre-programmed with your vehicle’s specific data. You simply install it, and the vehicle will start and run without any additional programming required from a dealer or mechanic.
Do I need to return my old engine computer?
No core charge or return is required for this part. You can simply recycle your old, non-functional module locally.
Will this fix my specific problem?
This module will correct issues directly caused by a faulty ECM, such as internal processor errors (P0601), communication failures, and driver circuit faults. While it solves the most common electronic problems, ensure your vehicle has been properly diagnosed, as issues can also stem from wiring or other sensors.
How do I find my original part number?
Your original part number is printed on a sticker on the case of your current ECM. You can cross-reference it with the compatible part numbers listed above to confirm a match.