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If you are not seeing all the PID's, make sure that you have the correct vehicle settings in the iDash for your truck. Also, make sure you are looking at the PID list for the previous iDash models and not the newer Pro models. Unfortunately, they will slightly differ...
As to what to monitor, especially with 2 monitors, HERE is a thread I made showing what all I monitor on 2 screens. One being a Data Monster and the other a Data Pro.
Ok, I'm deleted, have no need/can not display for some of what you have. My question was, for my truck, what would people suggest?
Last edited by ShelbyHauler; Mar 11, 2026 at 07:26 PM.
Reason: Added photos
As you can see in the right gauge, my original gauge, I am watching temps and fuel pressures. The left gauge, I changed the upper 4 to turbo stats, as it came with items that were not displaying.
Everyone has a different preference. At baseline, I think turbo boost, EGT1, and engine oil temp (there is a factory coolant gauge already). On your 2015, if you can add fuel pressure (to the CP4), that would also be great.
I have the following on my homescreen:
-Turbo PSI
-Exhaust backpressure (to see when engine brake is engaging)
-EGT1
-Engine coolant temp
-Engine oil temp
-Transmission temp
-DPF % (triggers at 100)
-Regen status
On the second screen, I have:
-Battery voltage
-DPF inlet pressure
-DEF level
-DEF concentration
-DEF temp
-Timing advance
-Fuel rail pressure (actual)
-Fuel rail pressure (commanded)
Fuel rail pressures, DEF level, and battery volt are probably the most important on page 2, the rest are fillers.
Last edited by wcbcruzer; Mar 11, 2026 at 08:01 PM.
-Turbo PSI -Exhaust backpressure (to see when engine brake is engaging) -EGT1 -Engine coolant temp -Engine oil temp -Transmission temp -DPF % (triggers at 100) -Regen status
On the second screen, I have: -Battery voltage -DPF inlet pressure -DEF level -DEF concentration -DEF temp -Timing advance -Fuel rail pressure (actual) -Fuel rail pressure (commanded)
I have Boost, engine coolant 1 &2 temp, oil temp, trans temp, fuel rail pressure (actual). I like the idea of commanded. I have a power point to USB plug that has battery voltage. For some reason, my engine brake has not worked since I got the truck 3 years ago. It was deleted when I got it.
What does timing advance do for you? I know what it is, but what are you monitoring it for, or is it just filler?
Oh I didn't know you can monitor both engine coolant systems, that's great. I didn't see that option on mine.
For fuel rail pressure, it's recommended to have both actual and commanded displayed so you can compare (they should be roughly equal), otherwise it's kind of a moot point to monitor one without the other. If there's a discrepancy, then the CP4 may be struggling.
Timing advance is just a filler at this point. I added it because I was curious to see what timing these engines run. Kind of surprised actually. Under normal driving I see timing range between -10 degrees to +2 degrees. On the mechanical P-pump Cummins engines, they came factory anywhere from 12-14.5 degrees, and then we'd set it to 16-17 degrees before TDC for optimal driving/MPG. These common rails have multiple injection events per power stroke, so maybe that's why. I'll have to research this a bit.
Last edited by wcbcruzer; Mar 11, 2026 at 09:38 PM.
Oh I didn't know you can monitor both engine coolant systems, that's great. I didn't see that option on mine.
For fuel rail pressure, it's recommended to have both actual and commanded displayed so you can compare (they should be roughly equal), otherwise it's kind of a moot point to monitor one without the other. If there's a discrepancy, then the CP4 may be struggling.
.
I've gotten used to what my rail pressure is during different driving conditions, so that is what I watch. But adding the commanded PID will help. Thanks.
I've gotten used to what my rail pressure is during different driving conditions, so that is what I watch. But adding the commanded PID will help. Thanks.
I should probably do that too. Good to know when something is off.
Shelbyhauler, since I deleted I set my single up in a 5 PID format, boost at the top with a bar gauge, (I want to see the number) and then just fuel, trans, oil and ambient temps. Ambient temp is nice since it cannot been seen on the center stack when using CarPlay. The 5 PID format is so much easier to see and less cluttered. I’ve also turned off the backlight on the arrow buttons since I seldom use them and in my opinion it cleans up the display.
Oh I didn't know you can monitor both engine coolant systems, that's great. I didn't see that option on mine.
For fuel rail pressure, it's recommended to have both actual and commanded displayed so you can compare (they should be roughly equal), otherwise it's kind of a moot point to monitor one without the other. If there's a discrepancy, then the CP4 may be struggling.
Unfortunately, Banks hasn't enabled us to monitor the secondary coolants system on the 20+'s even though there is a sensor there. I am not sure why Banks hasn't created a PID for it... It was just like the oil pressure sensor, it was always there but they didn't create a PID for it until they came out with the newest model iDash, the Pro, and then they added the PID to it. They claimed that there wasn't enough memory left on the previous iDashes to add any more PID's or to continue updating it, so they made the newer ones with more memory... (sure...) so maybe they will soon add this secondary coolant temp PID now too.
From the 20+ 6.7 Coffee Table Book
And I agree about having both the commanded and actual FRP's listed so that they can be compared to one another. The FRP can vary quite a bit so comparing it is easier rather than trying to watch for deviations.
The link I shared has what I monitor and why I set it up in the order I did. I understand that ShelbyHauler is deleted, but most of what I have enabled would still work. Even if I were deleted I would still have all of this stuff enabled, aside from the EGR, DEF and DPF stuff, with is mostly on one page.
it does not look like you can initiate a regen either on the idash data pro or the app. the data monster and regular idash can do this
when data logging....does anyone know where the files are being written to....the SD card...the iphone memory...both?
when the idash data pro first came out I called to get one at the low intro price and Banks talked me out of it...they said the idash data pro can not communnicate with the deringer, only the pedal monster.....well...I connected the idash data pro and it can controll the deringer both on the data pro display and the app....dont know how I mis undersyood this
the banks app can update firmware on the data pro
there does not seem to be a way of saving to sd card and loading from sd card....the app acts like its saving to ipgone. there is no settings>save/load>save or load feature on the guage itself
the idash pro named itself idash 3, but cant see 1 or 2.
you can load the config from pcm/ecu like you can with idash non pro
the idash data monster does not see the data pro
lift pump pressure on my 2019 does not show up...it didnt on the non pro...but it does on odbcLink
data logging seems not to be limited to 100 like the non pro...you can select log everything
maybe the data pro sees the deringer becuase I have at least 1 non pro running.....ill disconnect my non pros to see what happens to the deringer in terms of being able to advance the power settings either on the pro guage or in the app.
I dont know what will happen if I get the pressure sensor 4 channel device.....will it work with the pro by itself...will it require at leaset 1 idash non pro
if anyone know what else is better or different with the pro vs the non pro would be interested
it does not look like you can initiate a regen either on the idash data pro or the app. the data monster and regular idash can do this
when data logging....does anyone know where the files are being written to....the SD card...the iphone memory...both?
when the idash data pro first came out I called to get one at the low intro price and Banks talked me out of it...they said the idash data pro can not communnicate with the deringer, only the pedal monster.....well...I connected the idash data pro and it can controll the deringer both on the data pro display and the app....dont know how I mis undersyood this
the banks app can update firmware on the data pro
there does not seem to be a way of saving to sd card and loading from sd card....the app acts like its saving to ipgone. there is no settings>save/load>save or load feature on the guage itself
the idash pro named itself idash 3, but cant see 1 or 2.
you can load the config from pcm/ecu like you can with idash non pro
the idash data monster does not see the data pro
lift pump pressure on my 2019 does not show up...it didnt on the non pro...but it does on odbcLink
data logging seems not to be limited to 100 like the non pro...you can select log everything
maybe the data pro sees the deringer becuase I have at least 1 non pro running.....ill disconnect my non pros to see what happens to the deringer in terms of being able to advance the power settings either on the pro guage or in the app.
I dont know what will happen if I get the pressure sensor 4 channel device.....will it work with the pro by itself...will it require at leaset 1 idash non pro
if anyone know what else is better or different with the pro vs the non pro would be interested
My iDash won't let me do a manual regen on my 2020
My iDash won't let me do a manual regen on my 2020
The 20 plus trucks have an encrypted PCM unlike the 11 to 19s.
Is yours a Classic iDash or a Pro? I'm wondering if it's along the lines of Banks not being able to break through the code to have the Derringer tuner function like it does with the earlier trucks that are not encrypted.
The 20 plus trucks have an encrypted PCM unlike the 11 to 19s.
Is yours a Classic iDash or a Pro? I'm wondering if it's along the lines of Banks not being able to break through the code to have the Derringer tuner function like it does with the earlier trucks that are not encrypted.
Classic
I bought it when I bought the truck still waiting for manual region function to be added.
Looks like if they can tune the trucks they should be able to activate manual regen
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