Description
Mercury PCM0904 | 8M2100904 | ECM Repair
Mercury PCM0904 | 8M2100904 |Repair Service. Your ECM will be returned fully reconditioned, tested, and ready to be installed back to the exact marine engine it came off, saving you the time & expense of having a new ECM programmed to your boat. PCM0903. PCM0904.
Description: PCM0904 DV MPC5554 Engine Control Module
Module: ECM-5554-112-0904-xD
| PartNumber | MCSName | Labelled | Memory Layout | Manuf. P/N |
|---|---|---|---|---|
| 1751-6454 | ECM55541120904F00 | 8M2100904 PCM0904 | PROD (Flash) | VP9DVU12A650AA |
| 1751-6455 | ECM55541120904CP0 | PCMDEV0904 | DEV (Calibratible) |
We first diagnose the unit; if it is not repairable or no problems are found, it costs $200 plus domestic and standard shipping return.
In this case, we will process a partial refund for the difference.
Mercury Mercruiser ECM Warranty
Our ECM repair service even has a one-year warranty. Our experts not only repair your ECM but also ensure that it’s built for reliability and long-lasting performance.
Common Problems
- The boat does not shift into or out of gear.
- Blowing fuses.
- No communication.
- Engine shutting down after two beeps.
- Fault codes in unit.
- Intermittent faults.
- Oil intrusion.
- Water damaged.
- Injector driver faults.
- The alarm is stuck on.
- There is a problem with IAC.
- The fuel pump does not work or stay on.
- The oil pump is not working.
- There is a problem with Smartcraft.
- Pin broken.
- Alarm for water in fuel.
Process
You only need to 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 provide technical assistance. Feel free to contact us to discuss the faults you are experiencing before sending in your parts.
Important note:
The Mercruiser 8M2100904 ECM is the main computer for various Mercury outboard motors. It controls the motor’s significant systems, including the engine, ignition, fuel injection, and charging system. The ECM uses inputs from sensors throughout the motor to monitor operating conditions and adjust the various techniques as needed. The ECM also stores diagnostic codes that can be used to troubleshoot problems with the engine.
Here are some of the specific functions of the Mercury 8M2100904 ECM:
- Controls the engine speed, fuel injection, and other engine functions
- Controls the ignition timing and other ignition functions
- Controls the fuel injection system, such as the fuel pressure and flow rate
- Controls the charging system, such as the voltage and amperage output
- Stores diagnostic codes that can be used to troubleshoot problems with the motor
If you have any problems with the ECM on your Mercury outboard motor, you should contact a qualified Mercury dealer for assistance.
Common Symptoms
Here are some common symptoms of a bad ECM:
- The motor will not start or run
- The engine will run rough or misfire
- The motor will overheat
- The engine will not charge the battery
- The engine will display diagnostic codes
If you experience any of these symptoms, it is vital to have the ECM checked by a qualified technician. A bad ECM can damage other components on the motor, so it is important to have it repaired or replaced as soon as possible.
ECM Engineering USA / ECM Repair USA
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