Restore Your Vehicle’s Performance with a Reliable Engine Control Module
If you’re dealing with frustrating issues like your 2007-2010 Dodge Caliber, Jeep Patriot, or Compass stalling, running rough, or simply refusing to start, a failing Engine Control Module (ECM) is often the culprit. I’ve spent two decades under the hood, and I can tell you that intermittent electrical gremlins are some of the toughest problems to pin down. This engine computer is the direct, dependable solution you need. It arrives at your door fully programmed to your vehicle’s specific VIN and mileage, making the repair process as simple as possible. Forget about expensive towing bills or scheduling appointments for dealer-level programming—this module is ready to install right out of the box.
Is Your Vehicle Showing These Symptoms?
A faulty ECM can cause a wide range of problems that might seem unrelated. Over the years, I’ve seen these modules fail due to heat cycles and vibration, leading to cracked solder joints and internal component failure. If you’re experiencing any of the following, it’s a strong indicator that your engine computer needs attention.
- âś” Check Engine Light is on with codes like P0601 (Internal Control Module Memory Check Sum Error), P0605 (Internal Control Module ROM Error), or P0606 (ECM/PCM Processor Fault).
- âś” The engine cranks but won’t start.
- âś” Unexplained stalling or rough idling.
- âś” Poor fuel economy and noticeable loss of power.
- âś” Harsh or erratic automatic transmission shifting.
- âś” Communication errors with other modules (U-codes).
- âś” Cooling fans running constantly or not at all.
A Technician’s Notebook: The Intermittent No-Start
A customer brought in a 2009 Jeep Patriot that would randomly fail to start. It would crank perfectly but wouldn’t fire up. Of course, every time it was in my bay, it started fine. There were no active trouble codes, just a few stored communication faults. After checking all the basics—fuel pressure, spark, and sensor data—everything looked normal. The key was the intermittent nature of the problem. On these Chrysler platforms, I’ve learned that the ECM can develop micro-fractures on the circuit board. When cold, the connection is fine. Once it warms up (or on a hot day), the board expands just enough to break the circuit. We swapped in a pre-programmed 2007-2010 Caliber Engine Computer (which also fits the Patriot), and the problem was solved instantly. The customer saved hundreds on diagnostic time and avoided a potential tow. This is a classic failure mode for these vehicles.
Plug-and-Play Installation: Get Back on the Road Fast
One of the biggest benefits of this module is that it eliminates the need for specialized tools or software. We handle the programming for you, so you can perform the installation in your own garage. Follow these simple steps for a successful replacement.
- Safety First: Disconnect the negative terminal from your vehicle’s battery and wait at least 10 minutes to allow all capacitors to discharge.
- Locate the ECM: On the Dodge Caliber, Jeep Patriot, and Compass, the engine computer is typically located in the engine bay, often mounted to the firewall or inner fender.
- Disconnect the Connectors: Carefully release the locking tabs on the wiring harness connectors and pull them straight out from the module. Inspect the pins for any corrosion or damage.
- Remove the Old Module: Unbolt the old ECM from its mounting bracket. There are usually three or four bolts holding it in place.
- Install the New ECM: Mount your new, pre-programmed engine computer onto the bracket and securely tighten the bolts.
- Reconnect Everything: 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 to allow the systems to initialize. Then, start your vehicle. The check engine light should be off, and your vehicle should run smoothly.
Verified Vehicle Compatibility
This 2007-2010 Caliber Engine Computer is a direct-fit replacement for a range of vehicles and part numbers. Please verify your vehicle and part number below to ensure proper fitment. This unit is compatible with part number 05033359AJ and interchanges with: 05150471AA, 05150523AA, 68043260AA, 68043260AB, 04692101AD, 04692101AE, 04692101AF, 68043260AC, 68043260AD, 68043261AC, 68043261AA, 68043261AB, 68070011AA, 68071022AA, 05187817AF, 68000107AF, 68026147AA, 68026147AC, 68028201AA, 68028201AC, 68028205AB, and 68044228AA.
- DODGE CALIBER (2007-2008) – All Engines
- DODGE CALIBER (2009) – 1.8L, 2.0L Gasoline, 2.4L (Engine Opt ED3)
- DODGE CALIBER (2010) – 2.0L, 2.4L
- JEEP COMPASS (2007-2010) – Electronic Control Module
- JEEP PATRIOT (2007-2010) – Electronic Control Module
Frequently Asked Questions
Frequently Asked Questions
How does the VIN programming work?
After you place your order, we will request your vehicle’s 17-digit VIN. Our technicians will then flash the module with your car’s exact software and security information. This ensures it communicates perfectly with the other systems in your vehicle, making it truly plug-and-play.
Do I need to have my keys reprogrammed?
No. Because we program the module to your specific VIN, it will recognize your existing keys. No locksmith or dealer visit is required, saving you time and money.
Is this a new or used part?
This is a high-quality, tested, and guaranteed functional part sourced from a reliable vehicle. Each unit is inspected and programmed by our expert technicians to ensure it meets or exceeds original performance standards.
What if my part number is slightly different?
The list of compatible part numbers in the description covers all valid interchanges for this module. As long as your original part number is on our list, this unit will work perfectly for your vehicle.
What is your warranty policy?
We stand behind our work with a comprehensive warranty. Please see our warranty page for full details, but rest assured that we guarantee our programming and the functionality of the module.