Restore Your Patriot’s Reliability and Performance
If you’re dealing with frustrating issues like stalling at stoplights, a persistent check engine light, or a vehicle that simply won’t start, a failing Engine Control Module (ECM) is often the culprit. As the brain of your vehicle, the ECM controls everything from fuel mixture and ignition timing to transmission shifting. When it falters, the symptoms can be unpredictable and hard to diagnose. This replacement engine computer for your 2007-2010 Jeep Patriot is the definitive, hassle-free solution to get your vehicle running correctly again.
With over 20 years of hands-on diagnostic experience, I’ve seen firsthand how a faulty computer can sideline a perfectly good vehicle. The biggest hurdle for most owners and even some repair shops is the programming. Dealerships charge a premium for this service, and it requires specialized equipment. We eliminate that entire step. This module arrives at your door fully programmed to your vehicle’s specific VIN and mileage. It’s a true plug-and-play solution that saves you time, money, and a trip to the dealer.
Case Study: A Tricky Diagnosis
I remember a 2009 Dodge Caliber (which uses this same platform and computer) that came into the bay with an intermittent no-start condition. The owner had already replaced the battery and alternator. The codes were all over the place—U0100 (Lost Communication with ECM), P0335 (Crankshaft Position Sensor Circuit), and a few others that would pop up randomly. Instead of just throwing parts at it, we checked the power and ground feeds directly at the ECM connector. We found a solid 12V and good grounds, which pointed away from a wiring issue. This told me the computer itself was failing internally, unable to process signals correctly. We installed one of these pre-programmed units, and the Caliber fired right up and has been running reliably ever since. This is why a quality, tested ECM is so critical.
Is Your Vehicle Showing These Symptoms?
- ✔ Check Engine Light is on with codes like P0601, P0606, or communication errors (U-codes).
- ✔ The engine cranks but refuses to start.
- ✔ Unexplained stalling, especially when coming to a stop or at idle.
- ✔ Noticeable decrease in fuel economy.
- ✔ Rough idling or poor engine performance.
- ✔ Automatic transmission shifting erratically or harshly.
- ✔ Other modules in the vehicle report a loss of communication with the ECM.
A Straightforward Guide to Installation
Replacing the ECM is a job most DIYers can handle in their own driveway. No complex programming or special tools are needed. Just follow these simple steps to get back on the road.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait about 10 minutes for the system capacitors to discharge.
- Locate the ECM: On the Jeep Patriot, Compass, and Dodge Caliber, the ECM is typically found in the engine bay, often mounted to the firewall or inner fender.
- Disconnect the Connectors: Carefully unclip the wiring harness connectors from the old ECM. These usually have a locking tab that needs to be released. Inspect the connectors for any corrosion or damage.
- Remove the Old Module: Unbolt the old ECM from its mounting bracket. There are typically a few 8mm or 10mm bolts holding it in place.
- Install the New Module: Mount your new, pre-programmed ECM onto the bracket and secure the bolts.
- Reconnect Everything: Firmly plug the wiring harnesses 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) for about 15 seconds to allow the systems to initialize, then start your engine. Your vehicle is ready to drive!
Verified Vehicle Compatibility
This engine computer is a direct-fit replacement for a wide range of Jeep and Dodge models, ensuring proper function and communication with your vehicle’s systems. Please verify your vehicle is listed below.
This part will fit these makes and models with these options:
- JEEP PATRIOT: 2007, 2008, 2009, 2010 (Electronic Control Module)
- JEEP COMPASS: 2007, 2008, 2009, 2010 (Electronic Control Module)
- DODGE CALIBER: 2007-2008 (Electronic Control Module)
- DODGE CALIBER: 2009 (Electronic Control Module; 1.8L, 2.0L Gasoline, or 2.4L with engine opt ED3)
- DODGE CALIBER: 2010 (Electronic Control Module; 2.0L or 2.4L)
It 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 does ‘Plug and Play’ actually mean?
It means the engine computer arrives pre-programmed with your vehicle’s specific VIN and mileage. You simply install it, and it’s ready to go. There is no need for a trip to the dealership or any additional programming with expensive scan tools.
How do I provide my VIN and mileage?
After you place your order, you will be prompted to provide your vehicle’s 17-digit VIN and current mileage. We use this information to program the module specifically for your car, ensuring seamless integration.
Will this fix my check engine light?
If the check engine light is caused by an internal failure of the ECM (common codes P0601, P0606, etc.), then yes, this part will resolve the issue. However, if the light is on for another reason (like a bad oxygen sensor), that separate issue will still need to be addressed.
Is this the same as a PCM?
Yes, the terms Engine Control Module (ECM) and Powertrain Control Module (PCM) are often used interchangeably. This module controls both engine and, in many cases, transmission functions, making it the central computer for your vehicle’s powertrain.
Do I need to send my old computer back?
This purchase does not require a core return. You can keep your old part, which saves you the time and expense of shipping it back.