Is Your 2012 Dodge 1500 Running Poorly? The ECM Might Be the Culprit.
If your 2012 Dodge 1500 or Jeep Liberty with the 3.7L engine is experiencing frustrating issues like stalling, erratic behavior, a persistent check engine light, or a complete no-start condition, the root cause is often a failing Engine Control Module (ECM). The ECM is the central computer of your vehicle, responsible for managing everything from fuel injection and ignition timing to transmission shifting and emissions control. When it begins to fail, it can create a cascade of problems that are difficult to diagnose and expensive to fix through trial-and-error parts replacement.
This replacement ECM is the definitive solution to get your truck back to factory-spec performance. We eliminate the guesswork and the costly trip to the dealership. Each unit is professionally programmed with your vehicle’s specific VIN and mileage before it ships. This means it arrives at your door ready for a true Plug & Play installation. Simply disconnect the old module, connect this one, and you’re back on the road. No specialized tools, no additional programming, no hassle.
From the Diagnostic Bay
We had a customer with a 2012 Dodge 1500 3.7L who had spent weeks chasing a ghost. The truck would run fine for days, then suddenly start misfiring and stalling at red lights. He’d replaced spark plugs, coils, and even the fuel pump with no success. The codes were inconsistent, pointing to different sensors each time. When he brought it to us, we hooked up a scope to the 5-volt reference circuit coming from the computer. We saw the voltage intermittently dropping out, causing the sensors to give false readings. The problem wasn’t the sensors; it was the failing 2012 Dodge 1500 ECM that was supposed to be powering them. Installing a pre-programmed module like this one solved the problem in under 30 minutes, saving him from further frustration and expense.
Symptoms of a Failing 2012 Dodge 1500 ECM
- ✔ Persistent Check Engine Light (CEL) that won’t clear.
- ✔ Multiple, unrelated diagnostic trouble codes (DTCs) stored in memory.
- ✔ Engine stalling, stumbling, or hesitating during acceleration.
- ✔ Noticeable decrease in fuel efficiency and overall performance.
- ✔ Harsh or erratic automatic transmission shifting.
- ✔ Engine cranks but refuses to start (no-start condition).
- ✔ Communication errors with diagnostic scan tools.
- ✔ Issues with the electronic throttle control system.
Guaranteed Compatibility and Simple Installation
This Engine Control Module is a direct replacement for a wide range of original part numbers, ensuring a perfect fit and function for your vehicle. There’s no need to worry about compatibility as long as your vehicle is a 2012 Dodge 1500 Pickup or 2012 Jeep Liberty with the 3.7L engine. This unit is compatible with the following part numbers:
6810707AD, 05150631AB, 68103707, 68087057AA, 68154700AA, 68093208AC, 05094522, 05094521, 68065902, 68065901, 68103710, 68103708, 68103709
Installation is straightforward for any DIY mechanic. Simply disconnect your vehicle’s battery, locate the ECM in the engine compartment (typically on the driver’s side), unplug the wiring harnesses, unbolt the old unit, and install the new one in the reverse order. Once you reconnect the battery, the vehicle will recognize the new, properly programmed module and start and run as it should.
Frequently Asked Questions
Is this ECM really “Plug and Play”?
Yes. We program the module using the VIN you provide during checkout. This ensures that all the specific software and security information for your truck is loaded onto the computer. When you receive it, you can install it directly without any need for a dealership’s diagnostic tools.
Where is the ECM located on my 2012 Dodge 1500?
The Electronic Control Module (ECM) on the 2012 Dodge 1500 and Jeep Liberty is typically located in the engine compartment, on the driver’s side (LH side), often near the firewall or inner fender.
What information do you need from me to program the module?
We require your vehicle’s 17-digit Vehicle Identification Number (VIN) and the current mileage. You can typically provide this information during the checkout process. The VIN is essential for correct programming.
Do I need to send my old computer back?
This listing does not require you to return your old part (core). You can keep your original module or dispose of it as you see fit. This saves you the time and hassle of dealing with core returns and deposits.
Will this fix my specific problem?
While this part resolves the vast majority of issues related to a faulty computer, we always recommend a proper diagnosis by a qualified mechanic. If your vehicle’s symptoms match those of a failing 2012 Dodge 1500 ECM and you’ve ruled out other potential causes like wiring or sensor issues, this module is the most reliable and cost-effective solution.