Is Your Jeep Patriot or Dodge Caliber Running Rough?
If you’re dealing with frustrating issues like stalling, erratic engine behavior, poor fuel economy, or a persistent check engine light, a failing Engine Control Module (ECM) is a likely culprit. The ECM is the brain of your vehicle, controlling everything from fuel injection and ignition timing to transmission shifting. When it fails, it can cause a cascade of problems that are often difficult to diagnose. This direct-fit 2007-2010 Patriot Engine Computer is the definitive solution to restore your vehicle’s performance and reliability.
From the Diagnostic Bay
We had a 2009 Jeep Compass come into the shop that was driving the owner crazy. It would randomly stall at red lights and had a check engine light for an oxygen sensor circuit that wouldn’t go away, even after replacing the sensor twice. The owner had already spent hundreds on new sensors and a throttle body. After hooking up our advanced scanner, we noticed the live data from the ECM was erratic. The voltage readings were jumping all over the place. We installed one of our pre-programmed ECMs, and the problem vanished instantly. The Compass ran smoothly, and the false O2 sensor code was gone for good. It’s a classic case of a faulty computer sending the mechanic—and the owner—on a wild goose chase.
Symptoms of a Failing Engine Computer
A faulty ECM can manifest in various ways. If you’re experiencing any of the following, it’s time to consider a replacement:
- ✔ Check Engine Light: The light is on, and you may have codes related to sensor circuits, misfires, or communication errors.
- ✔ Engine Stalling or Misfiring: The engine may shut off unexpectedly while driving or idle poorly.
- ✔ No-Start Condition: The engine cranks but refuses to start, often due to a lack of fuel or spark command from the ECM.
- ✔ Poor Performance & Fuel Economy: A noticeable drop in power, acceleration, and miles per gallon.
- ✔ Transmission Shifting Issues: On automatic models, you might experience harsh shifting, getting stuck in gear, or other erratic transmission behavior.
- ✔ Intermittent Problems: Issues that come and go, often worsening as the engine warms up.
The Plug-and-Play Solution You Need
The biggest hurdle in replacing an engine computer has always been the expensive and time-consuming programming required at a dealership. We eliminate that step entirely. When you order this 2007-2010 Patriot Engine Computer, we program it specifically for your vehicle using the VIN you provide at checkout. This ensures that all immobilizer (anti-theft) information and vehicle-specific parameters are correctly loaded.
The result? A module that is 100% plug-and-play. Simply disconnect your old, faulty unit, install this one, and you’re ready to go. No additional programming, no special tools, and no trip to the dealer. This is the fastest and most cost-effective way to get your vehicle back on the road and running like new.
Guaranteed Fitment and Compatibility
This Engine Control Module is a direct-fit replacement for a range of Chrysler, Dodge, and Jeep vehicles. It is compatible with the following models and part numbers:
Vehicle Fitment:
- 2007-2010 Jeep Patriot
- 2007-2010 Jeep Compass
- 2007-2010 Dodge Caliber (with 1.8L, 2.0L, or 2.4L 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
What is an ECM and what does it do?
The Engine Control Module (ECM), also known as the Engine Control Unit (ECU), is your vehicle’s main computer. It controls and monitors the engine’s critical functions, including fuel mixture, spark timing, and emissions, to ensure optimal performance and efficiency.
Is this module truly plug-and-play?
Yes. We use the Vehicle Identification Number (VIN) you provide during checkout to flash the module with your vehicle’s exact software and security information. This means no additional programming is required. Simply install it, and you’re ready to drive.
Where is the ECM located on my 2008 Jeep Patriot?
On most 2007-2010 Jeep Patriots, Compasses, and Dodge Calibers, the ECM is located in the engine bay, typically mounted to the firewall or on one of the inner fender wells. It’s a silver metal box with three large electrical connectors.
Do I need to clear any codes after installation?
While the new ECM will resolve the root cause of the fault codes, it is always best practice to clear any existing Diagnostic Trouble Codes (DTCs) with a standard OBD-II scanner after installation. This ensures the system starts fresh.
What happens if I provide the wrong VIN?
Providing the correct VIN is critical. An incorrect VIN will result in the wrong programming, and the vehicle will not start. Please double-check your VIN from your driver’s side door jamb sticker or your vehicle’s registration before ordering.