Description
Cummins CM850 ECM. Your ECM will be fully reconditioned, tested, and ready to be installed back into the exact vehicle it came from. This will save you the time and expense of having a new ECM programmed for your engine.
Cummins CM850 Engine models:
The Cummins motors that use the ECM (Electronic Control Module) CM 850 include the ISX, QSX, ISL, ISB, ISC, and ISM engines. p/N: 3965159, 3954430
The CM850 is mainly used in earlier-model engines, while the CM 850 is used in later-model engines. These ECMs control engine functions such as fuel injection, timing, and emissions.
Warranty
A one-year warranty even backs our ECM repair service. Our experts not only repair your ECM but also ensure that it’s built for reliability and long-lasting performance.
Common Problems
- Blowing fuses
- No communication
- Engine shutting down
- Fault codes in the 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 to you free of shipping cost.
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 provide you with any technical assistance we can. Before sending in your parts, feel free to contact us to discuss the faults you are experiencing.
ECM Engineering USA / ECM Repair USA
