The FICM has been a source of problems for owners of the 6. The most common complaints involve hard starting and poor cold-weather starting. Other issues that can be traced back to a cranky FICM are loss of power, excessive smoking of the engine, not the driver , rough idle, and, of course, not starting at all.
If you have experienced these problems with your 6. Bullet Proof Diesel has made a business out of fixing the multitude of known issues with the 6.
The lower-cost solution comes in the form of a replacement FICM power supply , which plugs into the original control board. One advantage to this method is that it preserves any FICM flash updates that may have been installed by the dealer when the truck was in for service.
If the FICM is replaced, it should be flashed with the latest updates. If you choose the complete-replacement route, Bullet Proof offers FICMs with a choice of four- or six-phase power supply. The six-phase version of the board has user-selectable settings to increase the voltage output from the standard 48 volts to either 53 or 58 volts.
The advantage of a higher voltage output is said to be better starting and improved performance. The install seen here was done at 53 volts and after several months of use, has not yet set a code. Domestic Diesel www. Your email address will not be published. Home Ford 6. Share Tweet 0. Pin it 0. Up next. Published on 19 October Author Trent Riddle. Share article The post has been shared by 31 people.
Facebook Twitter 0. A dead FICM will therefore leave the system with no way to actuate an injector and the engine will not start.
While engine heat and vibration contributes to FICM failures, the number one cause arguably is a low battery voltage condition. As such, healthy batteries and a fully functioning alternator are imperative to avoiding a FICM failure. Jump starting a 6. A fully charged 12 volt automotive battery should read in the Anything lower than If a battery is not holding a full charge, it needs to be replaced.
An alternator should maintain A faulty or otherwise malfunctioning FICM may be related to a number of conditions including, but not limited to:.
The simplest way to test FICM output voltage is with an appropriate scan tool or diagnostic system. If you do not have access to such equipment, the FICM possesses a small access port held down by 2 T torx bolts. Upon removing the access cover, you will see either 4 or 7 metal pins. Using the figure below, you can probe the proper pin to measure the output voltage with a digital multimeter.
Place the positive probe on the correct pin and the negative probe directly to the negative battery terminal.
To fall within factory spec there should be a minimum of 45 volts with the key in the "RUN" position, while cranking the engine, and while the engine is running.
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