Restore Your Vehicle’s Performance and Reliability
If you’re dealing with a Dodge Caliber, Jeep Compass, or Patriot that’s giving you headaches—stalling unexpectedly, refusing to start, or flashing a persistent check engine light—the problem often points directly to a failing Engine Control Module (ECM), also known as the Powertrain Control Module (PCM). In my 20+ years turning wrenches and diagnosing these exact issues, I’ve seen countless drivers frustrated by intermittent electrical gremlins that defy simple fixes. A faulty ECM can disrupt everything from fuel delivery and ignition timing to transmission shifting, making your vehicle unreliable and unsafe. This isn’t just an inconvenience; it’s the brain of your engine, and when it fails, the whole system suffers.
We take the guesswork and high costs out of the repair. This replacement ECM is a direct, dependable solution, arriving at your door fully programmed to your vehicle’s specific VIN and mileage. This means no expensive trips to the dealership for programming, no special scan tools required. It’s a true plug-and-play fix designed for both the seasoned professional mechanic and the determined DIYer looking to save time and money. By providing us with your VIN, you ensure that all the factory-correct software and security information is loaded, allowing your vehicle to accept the new module and run correctly right after installation.
Common Signs of a Failing Engine Computer
- ✔ Check Engine Light is on with no clear cause, often with internal processor fault codes like P0601, P0605, or P0606.
- ✔ Your vehicle experiences random stalling, hesitation, or rough idling.
- ✔ Unexplained drop in fuel economy and engine performance.
- ✔ The engine cranks but refuses to start (no-start condition).
- ✔ Communication errors with the scan tool or other modules (U-series codes).
- ✔ Automatic transmission shifting becomes harsh, erratic, or delayed.
- ✔ The cooling fans run constantly or not at all, even when the engine is at operating temperature.
Case Study: A Tricky Diagnosis
I remember a 2009 Caliber that came into the shop with a complaint of intermittent stalling, but only after it had been driven for 20-30 minutes. The owner had already replaced the spark plugs and a coil pack with no luck. We scanned it and found no active DTCs, which can be frustrating. Instead of just throwing parts at it, we monitored the live data stream from the ECM. After about 25 minutes on the lift, we saw the 5-volt reference signal to the throttle position sensor start to fluctuate wildly before dropping out completely, causing the engine to stall. This pointed to an internal failure in the ECM’s voltage regulator, a classic sign of heat-related failure. A replacement pre-programmed 2007-2010 Caliber Engine Computer solved the issue permanently. It’s a great example of how a seemingly complex problem can have a straightforward solution.
DIY Installation: No Special Tools Required
- ✔ Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait at least 10 minutes for the system capacitors to discharge.
- ✔ Locate the ECM: On most Caliber, Compass, and Patriot models, the ECM is located in the engine bay, typically mounted to the firewall or inner fender well. It’s a silver metal box with several large electrical connectors.
- ✔ Disconnect the Connectors: Carefully release the locking tabs on each of the wiring harness 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 frame. Keep the bolts safe as you will reuse them.
- ✔ Install the New Module: Mount your new, pre-programmed ECM in the same location using the original hardware. Ensure it is secure.
- ✔ Reconnect and Secure: Plug the wiring harness connectors firmly into the new module until they click into place. Reconnect the negative battery terminal.
- ✔ Final Check: Turn the key to the ‘ON’ position (without starting the engine) for 15 seconds. This allows the new ECM to sync with the vehicle’s other systems. Then, start the engine. The check engine light may stay on for a short drive cycle but should clear on its own.
Why Choose Our 2007-2010 Caliber Engine Computer?
Choosing the right part is critical for a lasting repair. This isn’t just a generic component; it’s a meticulously prepared module that matches your vehicle’s DNA. We handle the complex programming so you can focus on the simple installation. It’s the most efficient way to get your Dodge or Jeep back to factory-spec performance without the hassle and expense of dealer intervention. This module addresses the core electronic failures common in these platforms, providing a stable and reliable heart for your engine’s management system.
Verified Vehicle Compatibility
This engine computer is a guaranteed fit for the following vehicles and configurations. Please verify your part number against the list below to ensure compatibility.
- DODGE CALIBER 2007-2008 (All Engines)
- DODGE CALIBER 2009 (1.8L, 2.0L Gasoline, 2.4L with engine opt ED3)
- DODGE CALIBER 2010 (2.0L, 2.4L)
- JEEP COMPASS 2007-2010 (All Engines)
- JEEP PATRIOT 2007-2010 (All Engines)
Compatible Part Numbers: 05150471AA, 05150523AA, 68043260AA, 68043260AB, 04692101AD, 04692101AE, 04692101AF, 68043260AC, 68043260AD, 05150471AA, 05150523AA, 68043261AC, 68043261AA, 68043261AB, 68070011AA, 68071022AA, 05033359AJ, 05187817AF, 68000107AF, 68026147AA, 68026147AC, 68028201AA, 68028201AC, 68028205AB, 68044228AA
Frequently Asked Questions
Do I need to do any programming myself?
No. This engine computer comes fully programmed to your vehicle’s VIN and mileage. It is a plug-and-play solution, ready for installation right out of the box.
How do I provide my VIN?
You can enter your vehicle’s 17-digit VIN during the checkout process. Please double-check it for accuracy to ensure correct programming.
Will this fix my specific problem?
This module corrects issues directly caused by a faulty ECM, such as internal processor errors (P06xx codes), no-start conditions, and erratic engine behavior. While it solves the most common problems, always ensure a proper diagnosis has been performed.
Is this compatible with my Jeep Patriot/Compass?
Yes, this ECM is compatible with 2007-2010 Jeep Patriot and Jeep Compass models, as they share the same platform and engine control systems as the Dodge Caliber.
What if my original part number isn’t on the list?
The part numbers listed are the most common, but there may be others. If your vehicle is listed in the compatibility chart but your part number is different, please contact us. We can verify compatibility for you.