EFILive Most Common Questions - FAQs

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How does “Idaho Rob” tuning and the EFILive system work?

First step is to order your EFILive V2 Scan and Tune tool and the level of tuning you require from ATPTrucks. Next you will download the EFILive software from the EFILive.com website. Go to the downloads tab, click on ‘Downloads’ then download V7.5 and V8.2. When those are complete follow the directions for ‘check for new updates’.

Start button>all programs>EFILive>V7.5(V8.2)>tools>check for new updates. Do this for both versions and you will be ready to register your V2 tool once it arrives. Upon arrival of your V2 tool you will follow the directions for registering your new V2 tool, be certain to read and follow those directions and be certain to utilize the information and ‘issue date’ that is on the blue sheet that is in the V2 tool packaging. After registering you V2 tool you will be able to connect to your truck and copy your stock tune. Follow the instructions sent by Rob to accomplish this. Email this tune file along with all of the information about your truck to rob@atptrucks.com. Be certain to include all modifications to your exhaust, intake, engine, transmission, gear ratios, fuel tank, lift pump, tire size and any other modification that could influence the custom tuning for your truck. Rob will build your requested tunes and email your custom tune file to you. Follow the instructions sent with your tune file to flash your truck with your new tuning.

Does "Idaho Rob" build all the tune files?

Yes, Rob still builds all tunes himself, customized to your truck and your requests.

How will EFILive tuning effect my fuel mileage?

Every truck responds differently but we typically hear that our customers see a 20% to 30% increase in fuel mileage.

What tune levels are safe for a DSP5 set-up on my truck with stock Allison transmission?

Tune levels vary for each model year of Duramax and Allison transmission combination. The following is a rough outline:

2001 – 2004 LB7 with stock 5 speed Allison
1) optimized stock 2) 20 H.P. heavy tow 3) 50 H.P. light tow 4) 70 H.P. street 5) 90 H.P. street

2004.5 – 2005 LLY with stock 5 speed Allison
1) optimized stock 2) 20 H.P. heavy tow with turbo brake 3) 50 H.P. light tow with turbo brake 4) 70 H.P. street 5) 90 H.P. street

2006 – 2007 LBZ with stock 6 speed Allison
1) optimized stock 2) 20 H.P. heavy tow with turbo brake 3) 50 H.P. light tow with turbo brake 4) 85 H.P. or 110 H.P. street 5) 110 H.P. or 150 H.P. street

2007.5 – 2010 LMM with stock 6 speed Allison
1) optimized stock 2) 20 H.P. heavy tow with turbo brake 3) 50 H.P. light tow with turbo brake 4) 85 H.P. or 110 H.P. street 5) 110 H.P. or 150 H.P. street

The max level 5 tunes listed may cause a transmission limp condition under certain conditions or in transmissions with high mileage.

What level of tuning is available for my modified truck?

Tune levels vary greatly depending on the level of modifications completed on your truck. The EFILive product that we sell and tune with is capable of tuning a stock truck and our 1300 H.P. plus race truck. The tuning is truly infinite and is limited by your trucks components. No stacking is necessary as EFILive does not fool the ECM and injector fuel system it changes the table values contained within the ECM’s memory. In this manner EFILive is capable of adjusting for most any modification available.

I have a stock Duramax truck, what do you recommend for sensible modifications?

This depends on what your goals are for your truck and how you use your truck. As with all modifications EPA regulations and local emissions testing should be understood. We always start with the EFILive tuning, an exhaust kit depending on year and model, a lift pump and then an intake.

What does a lift pump accomplish?

We recommend a lift pump with air entrainment separation for all applications as this will assist with the life of your trucks injectors and your trucks CP3. This is accomplished because the lift pump separates some of the entrained air from the fuel, separates some of the water contained in the fuel and sends this conditioned fuel under pressure to the CP3. Therefore your CP3 works more efficiently allowing it to last longer and work better. This conditioned fuel then enters the injectors creating a better cushioning within the injectors which will increase the life of the injectors. Finally, this conditioned fuel will atomize and burn more efficiently which results in better performance and fuel mileage. We recommend the AirDog II 165 for most applications, however, if you'd like a very quiet pump, install the AirDog II-4G.  Check out this blog post for more insight. It has dyno results for proof.

Duramax LML airdog ii 4g install results dyno charts

EFILive Most Common Questions by Vehicle

All Vehicles

  1. How do I locate the auth code for my V2/AutoCal?
  2. Do I need a new auth code each time I order a vin license?
  3. I’m getting an error code when I try to flash/read a truck. Where can I find what that code means?
  4. I’m not sure if the switch is working, is there a way to check it?
  5. I rotate the switch and the voltage/tune level does not change. What do I do now?
  6. The voltage/tune levels do not change after following the previous steps. Is it possible the switch/connection is faulty?
  7. Can I damage the ECM/TCM while flashing a tune into the ECM/TCM?
  8. I plug the V2/AutoCal into the OBD2 port and the screen doesn’t light up?
  9. I bought an AutoCal from another tuner. Can I use it to load your tunes?

Duramax Only

  1. I’m having trouble flashing an LB7/LLY.
  2. After pulling the fuses I still can’t get this LB7/LLY to flash.
  3. How do I know what tune I am in with my DSP2 switch?

Cummins Only

  1. I just installed my pass-through CSP5 switch and my tune will not flash into the ECM.
  2. I’m not sure if the CSP5 switch is working, is there a way to check it?
  3. I just flashed a tune in my (basically stock) 6.7 and it seems to smoke more than it should and/or has a slight surge.
  4. What if when I turn the switch and the tune level does not change?
  5. My check engine light came on in my tuned 6.7L and I see a P0489 code. What should I do?
  6. I just flashed a tune in my 5.9L and now the truck starts and immediately dies.
  7. I just flashed a tune in my 5.9L and now the ABS and BRAKE lights are on.
  8. My 6.7 is low on power. It was running fine, but has lost power recently. The truck does not smoke at all under any circumstances. What could cause this?

All Vehicles Q&A

  1. Q: How do I locate the auth code for my V2/AutoCal?
    A: Connect V2/AC to your computer. Open the EFILive Scan & tune software. Click F7: Licenses >Click F2 Hardware for the serial number. Then click F3: Vins for the AuthCode.
  2. Q: Do I need a new auth code each time I order a vin license?
    A: No. The same auth code can be used an unlimited number of times. We can keep your shop AutoCal/V2’s serial number and Auth Code stored on file.
  3. Q: I’m getting an error code when I try to flash/read a truck. Where can I find what that code means?
    A: A list of the XX most common codes can be found at the bottom of this FAQ section. They are also installed on your computer when you downloaded the EFILive software. Go to the Start button > All Programs > EFILive > Documents > EFILive Error Codes. It can also be found in the help tab in the EFILive Scan and Tune V8 software.
  4. Q: The voltage/tune levels do not change after following the previous steps. Is it possible the switch/connection is faulty?
    A: You can use a V2/AutoCal to check the switch operation via data logging. The PID is pre-set in all AutoCal’s we send out. There is a PID that will show you the voltage changing and a PID that will show you the tune level change (displayed as NonDSP, DSP1,DSP2,DSP3,DSP4).
  5. Q: I rotate the switch and the voltage/tune level does not change. What do I do now?
    A: Either the switch is not installed or the tune has not been successfully flashed into the ECM.
  6. Q: The voltage/tune levels do not change after following the previous steps. Is it possible the switch/connection is faulty?
    A: Use an ohm meter on the pins and/or the back of the switch. When rotating the switch the resistance reading should change.
  7. Q: Can I damage the ECM/TCM while flashing a tune into the ECM/TCM?
    A: YES! While it’s not common you can damage the ECM if it loses connection with the V2/AutoCal or power. The best precaution is to make sure anything that will draw power is off (Lights, AC, Stereo, etc.) and once the flashing process has begun, leave the truck and V2/AutoCal alone until the flashing process is finished. Be certain the battery is at full operating voltage. If you lose power or communication this can damage the ECM.
  8. Q: I plug the V2/AutoCal into the OBD2 port and the screen doesn’t light up?
    A: Check the cigarette lighter fuse. If that is good try a different cable.
  9. Q: I bought an AutoCal from another tuner. Can I use it to load your tunes?
    A: Yes, if you have the AutoCal unlinked. An AutoCal can only load tunes that were built with the V2 it’s linked with. While you can link an AutoCal remotely, you have to send the AutoCal in to have it unlinked.

Duramax Only Q&A

  1. Q: I’m having trouble flashing an LB7/LLY.
    A: If the truck has an aftermarket alarm or stereo they will need to be unplugged. These can interfere with ECM communication. You can also pull the radio, radio amp, radio info, and yellow ABS fuse from the panel under the hood to help with communication.
  2. Q: After pulling the fuses I still can’t get this LB7/LLY to flash.
    A: LB7 and LLY ECM’s have the ability to be completely locked by a tuner. Only the tuner with the original V2 can unlock this ECM. The latest version of EFILive allows tuners to lock the tune without locking the ECM; so you will only run across this issue with older tune files.
  3. Q: How do I know what tune I am in with my DSP2 switch?
    DSP2-Base-Tune-PositionA: Look for the groove that runs perpendicular to the threads on the DSP2 switch. When the switch is toward this groove you are in the base tune.

Cummins Only Q&A

  1. Q: I just installed my pass-through CSP5 switch and my tune will not flash into the ECM.
    A: The CSP5 switch will need to be unplugged from the OBDII port for the initial tune flash. Any following flashes can be made through the Pass-Through CSP5 ODBII connection.
  2. Q: I’m not sure if the CSP5 switch is working, is there a way to check it?
    A: You can use a V2/AutoCal to check the switch operation via data logging. The CSP5 PID will show your current selected tune number. Also, there is a small LED light on the back of the switch. The number of flashes indicates the tune level selected.
  3. Q: I just flashed a tune in my (basically stock) 6.7 and it seems to smoke more than it should and/or has a slight surge.
    A: Be sure that your throttle valve is unplugged.
  4. Q: What if when I turn the switch the tune level does not change?
    A: Check to be sure that the switch connection is secure at the OBDII port. Check the LED light on the back of the switch to confirm that it is flashing the number of times corresponding to the tune position that is being selected. If it is not, unplug the switch and reconnect to reset it.
  5. Q: My check engine light came on in my tuned 6.7L and I see a P0489 code. What should I do?
    A: Every 6.7 tuned with EFILive will have the P0489 stored as an inactive code. If the light came on right after flashing the truck and there are no other codes it is recommended to flash the same tune over again. If the check engine light has come on after an extended period of time there is likely another code that set the light. Sometimes the autocal or V2 will not be able to read all of the codes. The codes can be checked using a factory scan tool or something similar to see what additional codes may be set causing the check engine light to come on.
  6. Q: I just flashed a tune in my 5.9L and now the truck starts and immediately dies.
    A: Most likely the anti-theft settings in the tune are not correct for the configuration of the truck. The anti-theft setting will have to be adjusted in the tune.
  7. Q: I just flashed a tune in my 5.9L and now the ABS and BRAKE lights are on.
    A: Most likely the VIN number in the tune does not match the VIN number for the truck. The VIN number will have to be corrected in the tune.
  8. Q: My 6.7 is low on power. It was running fine, but has lost power recently. The truck does not smoke at all under any circumstances. What could cause this?
    A: This issue can be caused by many things. It is not uncommon for the boost pressure sensor in the intake manifold to become plugged from soot due to the EGR system. Even if the truck has an EGR solution installed can still become plugged from previous debris in the intake. The boost sensor can be removed and inspected, and cleaned or replaced as necessary.

6 thoughts on “EFILive Most Common Questions - FAQs”

  • Steve Peterson

    Hey I purchased your autocal a few years back for 2008 gmc. The truck runs good, good power, decent mileage and shifts pretty good. My only complaint is when I use the cruise control. It shifts down all the time and I mean all the time, empty and loaded. If I don't use the cruise it virtually never does. This is on all 5 settings. It feels like it coasts and when it calls for power it shifts. I had a quadzill and never had this issue. I have not changed anything. Just wondering if it would be a simple fix. Thanks Steve Peterson

    Reply
    • Steve, the LMM’s seem to be the only ones that we hear about this issue cropping up at times. When installing larger tires than factory the ECM/TCM calibrations get mixed up when in cruise. This can be caused by a few different parameters so the best way to figure out what is causing the “hunting” is to record a short data log when this is happening. This can then be reviewed by us to see which parameter is causing the issue. May be as simple as sending you an updated tune file. -Idaho Rob

      Reply
  • steve

    i have a 04 lb7 with edge cts juice with attiude i would like to get efi on my truck but i have heard that you can use the cts monitor for changing levels insted of the switch is thistrue and if so is it something i can do my self or is it complicated ?

    Reply
    • Dustin

      Hi Steve,

      You are correct, the Edge CTS insight can be used to switch tuning on 01-05 Duramax. With yours being a Juice with Attitude, that unfortunately wouldn't work as that is the tuner not just the Insight. We would recommend you selling the Juice and purchasing a CTS insight. Those can be found here

      If you have any further questions feel free to give us a call at 208-685-1000

      Thanks
      Dustin

      Reply
  • Clay

    Is efi loaded already on the one I ordered? How hard to install? I thought there might be some instructions on the Site?

    Reply
    • Dustin

      Hi Clay,

      Thank you for your interest in EFILive. In the case of the EFILive Autocal, it does come pre-loaded, ready to flash. The EFILive V2 flashscan, does not however. That gets shipped to you and from there the tuning is emailed.

      Install is very simply on both units and comes with a full color instruction guide for installation with the purchase.

      Feel free to call us anytime with any questions you may have.

      Thanks
      Dustin

      Reply
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