Is Your 2009-2010 Jeep Commander or Grand Cherokee Acting Up?
There’s nothing more frustrating than an unreliable vehicle. If your Jeep, equipped with the dependable 3.7L V6 engine, has started exhibiting strange behaviors like stalling, rough idling, erratic shifting, or a persistent check engine light that mechanics can’t seem to solve, the root cause might be its brain: the Engine Control Module (ECM). The ECM is the central command center for your engine’s performance, fuel economy, and emissions. When it begins to fail, it can create a cascade of confusing and costly problems. You might replace sensors and other components only to find the issue persists, because the component receiving the signals is the one at fault.
From the Diagnostic Bay
We had a 2010 Grand Cherokee 3.7L come into the shop that was giving the owner fits. The vehicle would randomly stall at stoplights and occasionally refuse to start, but there were no consistent trouble codes. The owner had already replaced the crankshaft position sensor and the throttle body based on other shops’ advice, with no luck. After running a full diagnostic sweep and checking the wiring harness for continuity, we noticed a faint, intermittent voltage drop on the 5-volt reference line powering the sensors. This pointed us directly to the ECM. We installed one of our pre-programmed units, and the Jeep fired up instantly and ran perfectly. It’s a classic case where the symptoms point everywhere, but the real problem lies with the central computer.
Common Symptoms of a Failing 3.7L Jeep ECM
- ✔ Check Engine Light: The light is on, and you may have codes that are inconsistent or point to multiple sensor failures (like U-series communication codes).
- ✔ Engine Stalling or Misfiring: Your Commander or Grand Cherokee may stall unexpectedly while driving or at idle, and you might experience rough running or engine misfires.
- ✔ No-Start Condition: The engine cranks but refuses to start, even with a good battery and starter. This is often due to the ECM not firing the ignition coils or fuel injectors.
- ✔ Poor Fuel Economy: A sudden and unexplained drop in your vehicle’s MPG can be a sign that the ECM is not managing the air-fuel mixture correctly.
- ✔ Transmission Issues: The ECM works with the transmission controller. A failing unit can cause harsh shifting, failure to shift, or incorrect gear selection.
- ✔ Apparent Component Failure: You may get diagnostic codes for specific sensors or solenoids. After replacing them, the code returns, indicating the ECM itself is not processing the signals correctly.
The Simple, Reliable Solution: A Pre-Programmed 2009-2010 Commander ECM
Instead of spending a fortune at the dealership for a new module and expensive programming fees, our replacement ECM offers a direct, cost-effective solution. This isn’t just a part in a box; it’s a complete service. We take your vehicle’s unique Vehicle Identification Number (VIN) and current mileage and flash this information directly onto the module before it ships. This ensures that when you receive your 2009-2010 Commander ECM, it is 100% plug-and-play. It will seamlessly integrate with your Jeep’s existing systems, including the anti-theft (SKIM) system, without any need for additional programming or dealer intervention.
Installation and Compatibility
This Engine Control Module is a direct-fit replacement for your original unit. On the 2009-2010 Jeep Commander and Grand Cherokee with the 3.7L engine, the ECM is typically located in the engine compartment on the right-hand (passenger) side. Installation is straightforward: disconnect the battery, unplug the electrical connectors from the old module, unbolt it, and install the new one in its place. Reconnect the connectors and the battery, and you’re ready to go.
This module is a guaranteed replacement for a wide range of part numbers, ensuring broad compatibility. Please verify that your original part number is on this list:
Compatible Part Numbers: 05150467AA, 05150467AB, 68028166AB, 68028166AC, 68028166AD, 68028166AE, 68028166AF, 68060531AB, 68060531AC, 68060531AD, 68059198AA, 68059198AB, 68028167AB, 68028167AC, 68028167AD, 68028167AE, 68028162, 68059197, 68028163, 68028154, 68059196, 68028155, 68028155AD, 68028150, 68059195, 68028151, 68028174, 68028175, 68028176
Frequently Asked Questions
Do I need to do any programming after I install this ECM?
No. This module comes fully programmed to your vehicle’s VIN and mileage. It is a true plug-and-play solution. You will not need to take it to a dealership or mechanic for additional programming.
How do I provide my VIN and mileage?
After you place your order, you will be prompted to provide your vehicle’s information. Please ensure you provide the correct 17-digit VIN to guarantee proper programming.
Will this fix my vehicle’s anti-theft system issues?
Yes. By programming the module to your specific VIN, we ensure it correctly communicates with the Sentry Key Immobilizer Module (SKIM) and other security components in your Jeep, preventing any starting issues related to vehicle security.
Is this a new or used part?
This is a high-quality, inspected, and tested replacement part that has been prepared to meet or exceed original factory specifications. It is guaranteed to function correctly in your vehicle.
Where is the ECM located on my 2009 Jeep Grand Cherokee?
On both the 2009-2010 Jeep Grand Cherokee and Commander with the 3.7L engine, the ECM is located in the engine bay, on the right-hand (passenger) side, typically near the firewall or shock tower.