Why does my GMC C5500 not crank or shift?

Why does my GMC C5500 not crank or shift?

Customer may comment that the vehicle will not crank or start/will not shift after vehicle has been jump started due to battery run down or after installation of after market equipment.Technicians may find no communication with the TCM and or DTC U101 [my PPE had only a C101,which I know isn’t the actual DTC]stored in other modules.

Why is my Duramax diesel engine not working?

The trucks computer keeps track of how much fuel needs to be added or subtracted from each individual cylinder to make the engine run smoothly, and this value is called the balance rate. If one cylinder is contributing too much or not as much as the rest, the cause is usually a bad injector and the cure is a replacement.

Are there any problems with the LLY Duramax?

In terms of LLY injector problems, GM had sorted out the internal failures with the 2004 ½ redesign, but the LLY Duramax would occasionally exhibit a trouble code for the injectors, but in most cases it turned out to be an issue with the injector harness rubbing through and causing a short or open in the wiring.

What to do if your Chevy C5500 wont start?

If the circuit between pins 9 and 69 have no continuity,then the TCM has been damaged/shorted from some sort of external source shorting to the heatsink of the TCM. 1. Inspect for the source that shorted the TCM heatsink. 2. Eliminate or repair the source or condition that caused the damage.

Why does my Kodiak C4500 not shift gears?

I have a 2005 kodiak c4500 with allison transmission and recently it went into limp mode and will not shift. i noticed this happens when the indicator light underneath the gears on the cluster does not come on to indicate what gear im in.

Why is the transmission not shifting on my Chevy Silverado?

Take a couple of easy steps to see why your truck is not shifting. No need to panic yet. This article applies to the Chevrolet Silverado GMT800 (1999-2006). Your transmission is just supposed to shift and leave you alone.

Can a 2006 Chevy C5500 start without a key?

I have a 2006 Chevy C5500 with the duramax. Its a bus and I am going to turn it into a dump truck….hopefully. My issue as i said is no crank no start from the key. I was able to get it started by turning the key on and crossing a screwdriver over the terminals on the starter but I am not able to start it with the key.

Posted In Q&A