Description
Mack V-MAC 12MS45M4 ECM | Repair Service. Your ECM will be returned fully reconditioned, tested, and ready to be installed back to the exact vehicle it came off, saving you the time & expense of having a new ECM programmed to your machine.
Mack ECM Part Number:
12MS51M7, 12MS45M4, 12MS45M3, 12MS45M2, 0281001095
We first diagnose the unit; if it’s not repairable or no problems are found, it costs $200.
In this case, we will process a partial refund for the difference.
The ECM (Engine Control Module) is a crucial component in a diesel engine’s operation. It acts as the brain of the engine, monitoring and controlling various parameters to ensure optimal performance, fuel efficiency, and emission levels. The ECM plays a significant role in managing fuel injection timing, turbocharger boost pressure, idle speed control, and troubleshooting diagnostic codes.
Mack ECM Description:
The 12MS45M4 module is a specialized ECM used in certain Mack truck models. It is designed to control and optimize the performance of Mack diesel engines in terms of power output, fuel efficiency, and emissions compliance.
- Functionality: The 12MS45M4 module is primarily responsible for managing fuel injection timing, air-to-fuel ratio control, engine speed regulation, and emission control systems. It continuously monitors various engine parameters using input signals from sensors located throughout the engine.
- For 12MS45M4 module issues, use proper diagnostic procedures. This may involve using Mack’s dealer-level software or third-party diagnostic systems.
- Repair and Maintenance: When repairing or maintaining the 12MS45M4 module, following Mack’s recommended service procedures and guidelines is crucial. This may include inspecting and cleaning electrical connections, ensuring proper grounding, and replacing faulty components if required. Repairs are generally recommended by experienced technicians familiar with ECM systems.
- Software Updates: Like any electronic module, the 12MS45M4 module may require periodic software updates to address known issues, improve performance, or comply with new regulations. The dealerships or authorized service centers can assist with updating the ECM software using their specialized tools and database.
- Availability of Parts: In case any component of the 12MS517BM module needs replacement, it is advisable to reach out to authorized parts dealers or service centers. They can help source genuine parts to ensure proper functioning and compatibility.
Common Problems
- Blowing fuses
- No communication
- Engine shutting down
- Fault codes in unit
- Intermittent faults
- Oil intrusion
- Water damaged
- Injector driver faults
Process
All you need to do is ship your unit to us, and we will diagnose the faults and ship the fixed unit back.
Why trust us
Our engineering team has over 15 years of experience, more than 10K repaired ECMs, and the latest simulation technology. We are always happy to assist you with any technical assistance we can. Feel free to contact us to discuss the faults you are experiencing before sending in your parts.
ECM Engineering USA / ECM Repair USA
ECM Repair Truck
Recents Search:
1990-1996 E7 ECM | Engine Control Module – Used | P/N 12MS45M5, 12MS45M, 12MS45M2, 12MS45M3, 12MS45M4, 12MS45M4X, 12MS45M5,
12MS45M5X
0281001151, 1996 Mack CH, CH613, E7-350
