Swifties...how accurate is your Qualcomm at recording over speeds or critical events?

Use the "Follow Me" option on the navigation system, which will give you a large digital display of what speed the QC system thinks you are going. With most of the trucks I've been in, the speedometer needle records about 2 mph faster than the QC speed is recording.

Company drivers have over speed at 67 mph. However, I think this must be a sustained period of time at this speed, as I've hit this on occasion running downhill without any recorded event. The only time I did get an overspeed was when I cruised with the speedometer at 67 mph (thinking it would translate to 65 mph) in a truck they had me pick up from an O/O that was getting out of the business. Unfortunately that truck speedometer was 2 mph SLOWER than actual speed, so I ended up with cruise control set for about 68-69 mph actual. I got a phone call from Safety, after I did the "Follow Me" option on the QC and found out I had been speeding.

 

I've found that you can hit the overspeed parameters and NOT GET DINGED if you DO NOT touch the fuel.

 

In 2 of the 3 trucks I have been in all of the Qualcomms would give me a over speed at 67 and excessive overspeed at 71. I can't say for sure in my current ride as I have never gone that fast down a hill with it. I have only got a couple over speeds and one excessive overspeed because I had the cruise set and normally the jake brake kicks on and holds it at 67 but I just swapped into the seat and my co-driver likes to drive with the jakes on medium setting and I forgot to switch it to high.

You will only get an overspeed at 68 if you have your foot on the accelerator. If the cruise is set and or the jakes are on and you don't have your foot on the accelerator you won't get an overspeed at 68 but you can still get an excessive overspeed at 71.

I have accidentally got an overspeed roughly 5 or so times and an excessive overspeed once. And no one from the office has ever said anything. But in all those cases I immediately put my foot on the brake and slowed down when I heard the notification. From what I understand so long as you don't do it repeatedly in a short period of time ( in one day) and you immediately take corrective actions you won't get in trouble.

 

My experience was...
Overspeed wasn't counted unless I hit the pedal.
Excessive always counted pedal or not.

 

I hit 67 every now and then, never got dinged for it.
I've always been on cruise control when it's happened.

I've never gotten to 71, but I guess it feels a bit like light speed.

 

The Q/C won't always beep at you yet will still record the overspeed. Check the performance tab any time before emptying out your trip to see what you are doing and what is being reported.

 

Over speeds are reported based on ECM speed, not GPS speed. A good thing, because the other day my Qualcomm GPS had me going 80mph in the middle of the Gulf of Mexico.