Restore Your Vehicle’s Performance and Reliability
If you’re dealing with a frustrating check engine light, erratic engine behavior, or a no-start condition in your Dodge Caliber, Jeep Compass, or Patriot, a failing Engine Control Module (ECM) is often the culprit. As a technician with over two decades of experience, I’ve seen firsthand how a faulty computer can cause a cascade of hard-to-diagnose issues. This isn’t just a part; it’s the brain of your engine’s operation, controlling everything from fuel mixture and ignition timing to transmission shifting. Driving with a compromised ECM can lead to poor fuel economy, failed emissions tests, and potentially leave you stranded. This replacement module is the direct, effective solution to get your vehicle running correctly again.
We take the guesswork and high costs out of the repair. Unlike a blank module from a dealership that requires expensive programming, this 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 can perform the replacement yourself in your own garage, saving hundreds of dollars in dealership labor and programming fees. It’s the most straightforward way to restore communication between your vehicle’s systems and get back on the road with confidence.
Real-World Repair Story
Real-World Repair Story
A customer brought in a 2009 Jeep Patriot that would intermittently stall at traffic lights and sometimes refuse to start for 10-15 minutes. They had already replaced the battery and alternator with no luck. The check engine light was on, but the codes were all over the place—U0100 (Lost Communication with ECM), P0335 (Crankshaft Position Sensor Circuit), and a few others that would come and go. After verifying the crank sensor was good, we focused on the network. The inconsistent communication pointed directly to an internal failure in the ECM. We installed a pre-programmed module, and the problem was solved instantly. The vehicle started every time, and all communication codes cleared permanently. It’s a classic case where the ECM itself was the root cause of the phantom electrical issues.
Common Signs of a Failing Engine Computer
If your vehicle is exhibiting any of these symptoms, a faulty ECM is a likely cause. Replacing it with this tested unit can resolve these persistent problems.
- ✔ Check Engine Light is illuminated, often with codes like P0601, P0605, or P0606 (Internal Control Module Errors).
- ✔ Complete no-start or crank-no-start condition.
- ✔ Intermittent stalling or engine shutting off while driving.
- ✔ Noticeable decrease in fuel efficiency.
- ✔ Rough idling, misfires, or hesitation during acceleration.
- ✔ Communication errors with diagnostic scan tools (U-codes).
- ✔ Automatic transmission shifting erratically or harshly.
A Straightforward Guide to Installation
Installing your pre-programmed 2007-2010 Caliber Engine Computer is a simple process that doesn’t require specialized tools. Follow these steps carefully for a successful replacement.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait at least 10 minutes to allow the system to fully 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.
- Disconnect Connectors: Carefully release the locking tabs on the electrical wiring harnesses and unplug them from the old module. Inspect the connectors for any corrosion or damage.
- Remove the Old Module: Unbolt the old ECM from its mounting bracket. It’s usually held in place by a few 8mm or 10mm bolts.
- Install the New Module: Mount your new, pre-programmed ECM in the same location. Secure it with the original bolts.
- Reconnect Everything: Plug the wiring harnesses 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 10 seconds to allow the systems to initialize. Then, start the vehicle. Your check engine light should be off, and the engine should run smoothly.
Verified Vehicle Compatibility
This module is a direct-fit replacement for a wide range of vehicles and part numbers, ensuring proper function without any modifications. 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.
It is guaranteed to fit the following models and configurations:
- 2007-2008 Dodge Caliber (All engine options)
- 2009 Dodge Caliber (1.8L, 2.0L Gasoline, 2.4L with engine opt ED3)
- 2010 Dodge Caliber (2.0L, 2.4L)
- 2007-2010 Jeep Compass (All engine options)
- 2007-2010 Jeep Patriot (All engine options)
Frequently Asked Questions
Frequently Asked Questions
Real-World Repair Story
A customer brought in a 2009 Jeep Patriot that would intermittently stall at traffic lights and sometimes refuse to start for 10-15 minutes. They had already replaced the battery and alternator with no luck. The check engine light was on, but the codes were all over the place—U0100 (Lost Communication with ECM), P0335 (Crankshaft Position Sensor Circuit), and a few others that would come and go. After verifying the crank sensor was good, we focused on the network. The inconsistent communication pointed directly to an internal failure in the ECM. We installed a pre-programmed module, and the problem was solved instantly. The vehicle started every time, and all communication codes cleared permanently. It’s a classic case where the ECM itself was the root cause of the phantom electrical issues.