How To SCT/BDX
This guide is intended to help setup your SCT or BullyDog device for datalogging. If you are getting the ‘Software Out of Date’ error on your device, you will need to follow this guide.
All Brew City Boost Calibrations are accompanied by a Datalog Configuration File. This config file acts as a template which selects the parameters that are to be logged and for our purposes it exists in two formats, either a .cf4 or .dlx. The main difference being that a dlx file is the file type that exists on your device, and it is created by way of exporting the cf4 file. In most cases there are no issues loading or using the provided config file, however there are times when software versions are out of sync and may require these files to be recreated on the users end.
Creating a Datalog Configuration File:
- Go to SCTFlash.com and download the latest version of LiveLink Gen-II datalogging software. It’s Free!
- Once downloaded, launch LiveLink and then select ‘I want to create a datalog configration file’.
- On the next screen select the radio button next to ‘Vehicle is available and it is currently connected using a device’
- Connect your SCT or BullyDog device to PC via the supplied USB cable and also to your vehicles OBD port. Then Click ‘Check Communication’, all the fields will become populated after a moment. It may be necessary to return the vehicle to stock calibration prior to this step to get a valid Strategy.
- After a few moments you will be presented with the PID items select screen. Select the desired PIDs and/or DMRs and then click ‘Configure Datalog’ in the lower right corner. Give you datalog configuration a description and a name when saving the file.
- Your datalog configuration you just created will now open in LiveLink. You can now datalog directly using the software or you can click ‘Export DLF/DLX’ to directly export the datalog configuration to your device, you will be given another opportunity to name it at that time.
Below is a list of the PIDs and DMRs we are interested in for datalogging purposes. Depending on your vehicle and specific Strategy code, you may or may not have access to all the items listed. Please use the list below when creating your datalog configuration.
- Accel Pedal Position Relative – Indicates where your foot is.
- Boost in PSI – boost pressure in PSI. Note that this value will typically clip around 22.48psi.
- Engine coolant temp F – Engine Coolant temperature in degrees Fahrenheit.
- Fuel rear pressure – High Pressure Fuel Rail Pressure in megapascals (MPa) – 1MPa = 148PSI.
- Gear commanded – Gear the transmission has commanded.
- Intake air temp2 F – Charge temps read from the manifold.
- Knock Sensor – the amount of degrees knock feedback is retarding (positive values) or advancing (negative values) spark.
- Load – unitless value used to interpret load based on Volumetric Efficiency.
- Long term fuel trim bank 1 – Long term value for fuel trims.
- Measured afr bank 1 – The actual lambda measured from bank 1 (passenger side).
- Measured afr bank 2 – The actual lambda measured from bank 2 (drivers side).
- Octane Adjust Ratio – OAR displays a value that inferers fuel quality. The range is from +1 (low octane fuel) to -1 (higher octane fuel).
- Rpm – Engine RPM.
- Short term fuel trim bank 1 – Short term value for fuel trims.
- Spark advance v2 – final spark advance.
- Throttle angle actual – Angle of the throttle blade in the throttle body, and typically clips at 82 degrees.
- Tip prs boost kpa – Actual throttle inlet pressure in kpa.
- Tip prs boost kpa dsd – Desired throttle inlet pressure in kpa.
- Torque source – Torque source value.
- Turbo wastegate percentage – Wastegate duty cycle in percent.
- Variable valve timing exhaust bank 1 actual – Actual VCT angle of the exhaust cams.
- Variable valve timing intake bank 1 actual – Actual VCT angle of the intake cams.
- Vehicle speed mph – Vehicle speed in MPH.
- AIR FLOW #/MIN – Inferred Turbo AirFlow in pounds per minute.
- AIRFLOW LIMIT SOURCE – Source value for airflow.
- DESIRED FRACTION OF TURBINE AIR MASS – also known as MFRACT this is the desired turbo exhaust flow / actual turbo exhaust flow.
- FUEL SOURCE – Source value for the fuel system.
- SPARK SOURCE – Source value for spark.
- TORQUE LOAD LIMIT – Max current allowed load limit.
- TURBO EXHAUST FLOW – Estimated exhaust flow from the turbine.
- WGDC X – Canister pressure.
- WGDC Y – Compressor outlet pressure.