Restore Your Vehicle’s Performance with a Plug-and-Play Engine Computer
If you’re dealing with a Dodge Caliber, Jeep Compass, or Jeep Patriot that’s running rough, stalling unexpectedly, or simply won’t start, a failing Engine Control Module (ECM) is a very likely culprit. As a mechanic with over two decades of diagnostic experience, I’ve seen firsthand how a faulty computer can create a cascade of frustrating and hard-to-trace issues. This replacement 2007-2010 Caliber Engine Computer is the straightforward, reliable solution to get your vehicle back on the road without the exorbitant costs and hassle of a dealership visit.
The biggest challenge with replacing an ECM has always been the programming. This module eliminates that obstacle completely. We flash the computer with your vehicle’s specific Vehicle Identification Number (VIN) and current mileage before it even ships. When it arrives at your door, it’s a true plug-and-play part. There are no special tools or secondary programming procedures required. You can perform this repair right in your driveway and restore the brain of your vehicle’s engine management system.
Common Signs of a Failing Engine Computer
- ✔ Check Engine Light is on with communication codes like U0100 or internal processor codes like P0601, P0606.
- ✔ The engine cranks but refuses to start.
- ✔ Unexplained stalling or stumbling, especially after the engine warms up.
- ✔ Poor fuel economy and a noticeable loss of power.
- ✔ Harsh or erratic automatic transmission shifting.
- ✔ Seemingly random misfires on one or more cylinders.
- ✔ Cooling fans running constantly or not turning on at all.
A Technician’s Notebook: The Intermittent Caliber
I remember a 2008 Dodge Caliber that came into the shop with a complaint that stumped two other mechanics: it would randomly stall at traffic lights, but only on hot days. After starting, it would run fine for a while. We checked everything—fuel pressure, sensors, wiring harnesses—and found nothing. All the data looked normal on the scan tool until the moment it died. On a hunch, I used a heat gun on the ECM with the engine running. Within 30 seconds, the engine sputtered and died. The internal processor was failing under thermal stress. We installed a pre-programmed 2007-2010 Caliber Engine Computer, and the customer never had the problem again. It’s a classic failure mode for these modules.
A Straightforward Guide to Installation
- ✔ Safety First: Disconnect the negative terminal from your vehicle’s battery and secure it away from the post.
- ✔ Locate the ECM: On these models, the engine computer is typically found in the engine bay, often mounted to the firewall or inner fender.
- ✔ Disconnect the Connectors: Carefully release the locking tabs on the electrical wiring harnesses 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 or 8mm bolts holding it in place.
- ✔ Install the New Module: Mount your new, pre-programmed ECM onto the bracket and tighten the bolts.
- ✔ Reconnect and Finalize: Plug the wiring harnesses back into the new module until they click securely into place. Reconnect your negative battery terminal. The installation is complete!
Verified Vehicle Compatibility
This module is a direct-fit replacement for the following vehicles and engine configurations. To ensure perfect compatibility, please match your part number to the list below or provide your VIN upon ordering.
- ✔ Dodge Caliber 2007-2008: All Electronic Control Modules
- ✔ 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 Electronic Control Modules
- ✔ Jeep Patriot 2007-2010: All Electronic Control Modules
This unit 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, 68044228AA.
Frequently Asked Questions
What does ‘Plug and Play’ actually mean?
It means we have already programmed the computer to your car’s unique VIN and mileage. Once you install it, no further steps are needed. You don’t need to visit a dealer or use a scan tool for programming. Just install it and start your car.
How do I provide my VIN and mileage?
You can enter your VIN and mileage during the checkout process. If you forget, we will contact you via email to get the information before we program and ship your part.
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) or a component controlled by it, then yes, this will resolve the issue. It’s always best to have the codes read to confirm the diagnosis.
Is this the same as an ECU or PCM?
Yes. The terms Engine Control Module (ECM), Engine Control Unit (ECU), and Powertrain Control Module (PCM) are often used interchangeably for this component. This is the main computer that controls your vehicle’s engine functions.
Do I need to send my old computer back?
No core charge or return is required for this part, saving you time and the hassle of return shipping.