Does a Duramax Ficm have to be programmed?

This is a NEW Genuine OEM Pre-Programmed unit, manufactured by the OEM supplier. No core charge required. No programming or “flashing” required.

How do I test my Ficm Duramax?

Checking the FICM Just remove the two bolts holding the reservoir to the cowl and push it to the side. Remove the two screws on the lid of the FICM and take it off. When you look inside, you will either see 4 screw heads or 7 screw heads depending on the year your truck was manufactured.

What is the Ficm on a Duramax?

Diesel Injector Driver Module (IDM) or Fuel Injector Control Module (FICM) is manufactured and tested to the strictest OE standards for unparalleled performance. Built for trouble-free ownership and 100% visually inspected and quality tested.

Are LB7 and LLY Ficm the same?

If you use an lb7 FICM on an LLY engine in an 01-02 LB7 truck it will work. The LLY FICM will not work on an LLY in an 01-02 Lb7 truck, using the Lb7 controls. The inlet/outlet ports are in different areas as well.

How good is the LLY Duramax?

Similar to the LB7, the LLY Duramax is reliable, powerful, and lacks most of the emissions found on modern day diesel trucks like the L5P. LLY Duramax trucks don’t suffer from the same injector failure problems that LB7 trucks frequently had. Instead, many LLY Duramax problems stem from overheating.

Does the LLY Duramax have injector Problems?

Thankfully, the LB7 injector problems were resolved, but some new problems revealed themselves. Some of these 6.6L LLY Duramax engine problems stem from the fact that it has significantly more horsepower and torque compared to the original Dmax. In fact, a number of other common 6.6L LLY Duramax problems exist.

Can you put an lly in a LB7 truck?

—Yes, you can keep your existing LB7 transmission when swapping to a 2004.5-2005 LLY.

Can you put LBZ heads on a LB7?

you can use lbz/lmm heads just as well as lly heads…

Is there a repair service for a Duramax FICM?

IF YOU ARRIVED AT THIS NOTICE THEN THIS LISTING IS OUR REPAIR SERVICE TO YOUR PART , WE DO NOT SHIP YOU A PART ,YOU SHIP TO US WE REPAIR AND RETURN , USE THE R&R FORM ABOVE TO SHIP TO OUR ADDRESS ON THE FORM. Thank You in advance for purchasing our Repair Service for your 2004-2005 Chevrolet Duramax FICM.

Is the FICM part of the fuel injector?

The FICM is the Fuel Injector Control Module that sends the signal to the injector to open or close. Bosch refers to it as an ECU. This is a remanufactured unit that has a one year parts only warranty. Due to the high number of bad cores we received back, we are out of exchange units.

How much does a Duramax injector circuit cost?

The wiring on the injectors is very simple: One wire powers the injector while the FICM fires the injector by grounding the other. The recommended resale from my supplier on these remanufactured injectors is about $1,600 for the set of four.

Can a FICM be removed from the passenger side rocker cover?

The FICM, intake ducting, air filter/MAF assembly, and many other items must be removed to gain access to the passenger-side rocker arm cover. Since the FICM disables the electrical circuits of all four injectors in each group, testing the injector circuits with a lab scope is a waste of time.