2013-2015 Mitsubishi Lancer ECM: Programming, Part Numbers, and Replacement Guide
This guide covers the critical details for replacing the Engine Control Module (ECM) in a 2013-2015 Mitsubishi Lancer, focusing on the mandatory programming and compatibility requirements.
- A replacement ECM (used, new, or remanufactured) absolutely requires professional programming to the vehicle's VIN and immobilizer system.
- You must match the OEM part number exactly. For the 2.4L automatic, the primary number is 1860C040.
- This ECM only fits 2013-2015 Lancer models with the 2.4L engine, automatic transmission, and US Federal or Canadian emissions.
- Programming must be done by a Mitsubishi dealer or a qualified independent shop with a MUT-III or equivalent J2534 tool.
Symptoms of a Failing 2013-2015 Lancer ECM
A faulty ECM can cause a wide range of issues, from minor annoyances to critical failures that leave the vehicle undrivable. Often, these symptoms can be intermittent.
- Check Engine Light: An illuminated Check Engine Light is one of the most common signs. The ECM may set a code for a sensor or circuit, but the root cause can sometimes be the computer itself.
- Engine Stalling or Misfiring: The engine may stall unexpectedly, misfire, or run roughly. You might feel excessive vibration at idle.
- No-Start Condition: A completely failed ECM will prevent the engine from starting. The engine may crank over but will not fire up because it's not receiving the necessary signals to manage spark and fuel.
- Poor Engine Performance: You may notice a sudden drop in fuel economy, a loss of power, or poor acceleration.
- Communication Errors: Diagnostic trouble codes related to internal memory errors (like P0601) or processor faults (P0606) are a strong indication of ECM failure.
- Transmission Shifting Problems: Since the ECM communicates with the transmission controller, a faulty module can sometimes cause erratic shifting.
Known Issues, Recalls, and Technical Service Bulletins (TSBs)
While no recalls directly target the ECM for complete failure in this year range, several TSBs and a safety recall involve reprogramming the module to fix other issues.
- TSB-15-13-002: Addresses false check engine light illumination with DTC P2097 (Rear Oxygen Sensor Feedback Control System Monitoring). The fix is to reprogram the ECM with updated software.
- TSB-13-13-001REV: This bulletin was issued to correct false P0300 (random misfire) codes caused by certain vibrations from the clutch or CVT. The solution is an ECM software update.
- Safety Recall SR-16-006: Affects some 2016 Lancer models (and may apply to late-production 2015s) for a hesitation issue caused by the CVT. The fix is to reprogram the CVT-ECU, which is a separate but related module.
- ETACS ECU Recall: Some Lancer models were recalled for a faulty ETACS (Electronic Time and Alarm Control System) ECU, which could cause loss of headlights or wipers. While this is not the engine computer, it highlights the complexity of the vehicle's electronic systems.
Pro Tip: Before condemning the ECM, check for simpler causes of ECM-related codes like P0606. On Lancers, a faulty MFI (Main Fuel Injection) relay 🎬 See how to diagnose a P0606 ECM code or poor battery/alternator performance can interrupt power to the ECM and trigger internal fault codes. Always diagnose and fix any other trouble codes before replacing the ECM.
Buying a Used 2013-2015 Lancer ECM: What You Must Know
Buying a used ECM is a great way to save money, but it requires careful attention to detail. A mistake here can result in a part that will never work with your vehicle.
1. Match the Part Number Exactly
The most critical step is to match the OEM part number on your original ECM. For the 2013-2015 Lancer with a 2.4L engine and automatic transmission, the primary part number is 1860C040. You may also see the manufacturer number E6T73393 or E6T73393 H2 on the label. Do not install a module with a different part number, even if it looks identical.
2. Compatibility is Key
This specific ECM (1860C040) fits a narrow range of vehicles. Based on seller information and part catalogs, it is for:
- Engine: 2.4L L4 Gas Engine
- Transmission: Automatic Transmission (CVT)
- Market: US models with Federal emissions and Canadian models
It will not work for the 2.0L engine or models with a manual transmission.
3. Programming is NOT Optional
Warning: A used ECM from another Lancer will NOT be plug-and-play. The vehicle will not start until the replacement module is programmed to your car's specific Vehicle Identification Number (VIN) and immobilizer system.
This programming links the ECM to your car's keys and other electronic modules. Without this step, the anti-theft system will prevent the engine from running. This process must be performed after the used ECM is installed in the vehicle.
4. Who Can Program a Lancer ECM?
You cannot program this ECM yourself. It requires specialized equipment and software.
- Mitsubishi Dealership: This is the most reliable option. They have the proprietary MUT-III diagnostic tool and the expertise to perform the programming correctly.
- Qualified Independent Shops: Some independent repair shops that specialize in Japanese vehicles may have a J2534 pass-thru device and a subscription to the Mitsubishi diagnostic software, allowing them to perform the same programming.
- Automotive Locksmiths: Some advanced automotive locksmiths may have the tools to program the immobilizer and keys, but may not be able to perform all ECM functions. It's best to call ahead and confirm they can specifically program a replacement Mitsubishi ECM.
Cost to Replace a 2013-2015 Lancer ECM
The cost can vary significantly depending on the source of the part and labor rates.
| Item | Estimated Cost |
|---|---|
| New OEM | $1,400 - $1,600 (Part only) |
| New Aftermarket | Not commonly available |
| Remanufactured | $250 - $500 |
| Used OEM | $35 - $150 |
| Shop Labor (Installation & Programming) | $110 - $250 |
Frequently Asked Questions (FAQ)
Will my 2014 Lancer start after I install a used ECM?
No, it will not. The engine will crank but the immobilizer system will prevent it from starting until the used ECM is professionally programmed to your vehicle's VIN and keys.
Where is the ECM located on a 2013-2015 Mitsubishi Lancer?
The ECM is typically located in the engine bay, mounted to the inner fender on the driver's side (LH side). Some sources for other Lancer generations show it behind the glove box on the passenger side, so location may vary slightly. Always disconnect the negative battery terminal before attempting removal.
Can I program the Lancer ECM myself?
No. Programming requires a proprietary Mitsubishi MUT-III scan tool or an equivalent J2534 device with a subscription to the manufacturer's software. This is not a DIY-friendly procedure.
What's the difference between an ECM, ECU, and PCM?
The terms are often used interchangeably. ECM (Engine Control Module) and ECU (Engine Control Unit) refer to the same thing. PCM (Powertrain Control Module) is a term for a module that controls both the engine and the automatic transmission. For this Lancer, the terms effectively refer to the same main computer.
Does a remanufactured ECM still need programming?
Yes. Even remanufactured or "plug-and-play" units advertised with your VIN programmed will likely still require an immobilizer relearn procedure to sync with your keys. It's crucial to confirm with the seller what, if any, on-vehicle programming is needed after installation.
Helpful Videos
Technical Specifications
OEM Part Numbers: 1860C040 E6T73393 E6T73393 H2
Fits 2.4L L4 engine with automatic (CVT) transmission. Compatible with US Federal and Canadian emissions systems.
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The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.
- Mitsubishi Lancer:
- 🎬 Helpful Videos
- 🛍️ Shop This Part
- Symptoms of a Failing 2013-2015 Lancer ECM
- Known Issues, Recalls, and Technical Service Bulletins (TSBs)
- Buying a Used 2013-2015 Lancer ECM: What You Must Know
- 1. Match the Part Number Exactly
- 2. Compatibility is Key
- 3. Programming is NOT Optional
- 4. Who Can Program a Lancer ECM?
- Cost to Replace a 2013-2015 Lancer ECM
- Frequently Asked Questions (FAQ)
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