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SCT X4 - User Manual

SCT X4
24 pages
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Summary

SECTION 1: PARTS + CHECKLIST

X4 DEVICE

The SCT X4 device itself.

MICRO USB CABLE

Cable for connecting the device to a computer.

HDMI;OBD II CABLE

Cable for connecting the device to the vehicle.

TOOLS NEEDED

List of tools required for installation.

SECTION 2: PRE-INSTALL CHECKLIST

BUSINESS HOURS

Information for contacting technical support.

INTERNET ACCESS

Requirement for potential technical support.

ALLOW TIME FOR INITIAL SETUP

Recommendation for initial setup duration.

READ X4 USER MANUAL

Recommendation to read the full user manual.

SECTION 3: IMPORTANT ON-DEVICE INFO.

SERIAL NUMBER

Identifier needed for custom tunes.

FIRMWARE VERSION

Device's operating system version.

TUNE REVISION

Version number of preloaded tunes.

UNLOCKS LEFT

Remaining vehicle unlocks for the device.

MARRIED STATUS

Device's pairing status with a vehicle.

SECTION 4: UPDATING YOUR X4 DEVICE

INSTALLING THE UPDATE SOFTWARE

Steps to install the software on a PC.

UPDATING YOUR X4 DEVICE

Process to update the device firmware.

SECTION 5: READING VEHICLE VIN & STRATEGY;OS PART#S

VEHICLE INFO

Accessing vehicle identification and strategy information.

SECTION 6: CHECKING;CLEARING VEHICLE TROUBLE CODES

VEHICLE DIAGNOSTICS

Reading and clearing diagnostic trouble codes (DTCs).

SECTION 7: PROGRAMMING THE VEHICLE

POWERING ON THE X4

Connecting and powering up the device in the vehicle.

BEGIN PROGRAMMING

USING PRE-LOADED TUNE FILES

Selecting and adjusting pre-loaded tunes for vehicles.

USING CUSTOM TUNES

Installing custom tunes provided by dealers.

RETURNING TO STOCK

Restoring the vehicle to its original factory tune.

SECTION 8: LOADING CUSTOM TUNES

SCT Device Updater

Software interface for loading tunes.

Loading Custom Tune File

Process of selecting and loading tune files.

Available Tunes

Section where tunes appear before transfer.

On Device

Section where tunes are stored before programming.

SECTION 9: ON-DEVICE DATA LOGGING

Gauges;Datalog

Accessing monitoring and data logging features.

Configuration

Setting up vehicle type for data logging.

Editing a Gauge

Customizing displayed parameters and units.

Editing Gauge Layout

Changing the number and arrangement of displayed gauges.

SECTION 10: ADJUSTABLE OPTIONS EXPLAINED

Performance

Most aggressive diesel tune for daily use, racing, or economy.

Street

Less power than Performance, moderate gain, safe for light towing.

Towing

For towing significant loads, with towing-centered shifting.

Trans Only

For heavy loads, engine/boost stock, transmission only tune.

Jake Brake

Exhaust brake for engine braking while coasting.

Locked at CT

Keeps torque converter locked during deceleration.

Lock In 1-2-3

Locks torque converter in 1st, 2nd, and 3rd gear.

Agg. Tow Haul

More aggressive shift schedule for power band.

EGR Delete

Removes check engine light from EGR delete.

Axle Ratio

Corrects shift patterns/speedometer for axle ratio.

Tire Size

Corrects shift patterns/speedometer for tire size.

Idle Speed

Sets idle speed in RPM.

Traction Control

Enables/disables traction control.

WOT Shift

Adjusts WOT shift points by gear.

Shift Pressure

Adjusts transmission shift pressure.

GAS VEHICLE SPECIFIC OPTIONS

Tune Type

Performance varies by octane, 93 highest.

Towing Tune

Focuses tunes on towing over performance.

Economy Tune

Focuses tunes on economy over performance.

Rear O2 s

Disables rear O2 sensors and related CEL.

Global Spark

Adds/removes timing across entire RPM range.

Spark by RPM

Adds/removes timing by RPM range.

WOT Fuel

Adds/removes fuel at wide open throttle.

Fuel Injectors

Adjusts for different sized injectors.

CMCV Deletes

Updates tune for CMCV/IMRC delete plates.

Fan Control

Lowers fan turn-on temperature.

Rev Limiter Drive

Sets rev limit in RPM while in drive.

Rev Limiter Neutral

Sets rev limit in RPM while in neutral.

Speed Limit

Modifies vehicle speed limiter.

IMPORTANT NOTES

Vehicle System Turn Off

Recommendations for turning off vehicle systems.

Connecting the Device

Initial connection and menu screen guidance.

Device Compatibility

Warning against using other tuning devices.

Dealer Service

Returning vehicle to stock before dealer service.

IMMEDIATE CONSUMER ACTION REQUIRED!

Warranty registration requirement.

1. GENERAL INFORMATION

1.1 SCT Performance, LLC Limited Warranty for X4

Details the warranty coverage and limitations.

1.2 Device Firmware & Tune Revision Updates

1.3 About your SCT Device

2. GETTING STARTED

2.1 Powering on the X4

Instructions for powering the device via vehicle or computer.

2.2 Loading Email Custom Tunes to the X4

2.3 Menu Navigation

Program Vehicle

Navigate to vehicle programming options.

Gauges; Datalog

Access monitoring and data logging features.

Diagnostics

Access vehicle diagnostics functions.

Vehicle Info

View vehicle identification and strategy data.

Device Settings

Access device customization options.

2.4 Using the Key Pad

2.5 Reading Vehicle Strategy

2.6 Reading;Clearing Vehicle DTCs

READ DTC

Procedure to read diagnostic trouble codes.

CLEAR DTC

Procedure to clear diagnostic trouble codes.

3.0 Programming your vehicle

3.1 Installing a Preloaded Tune File

Step-by-step guide to installing preloaded tunes.

Which tune file do I choose?

Guidance on selecting appropriate gasoline or diesel tunes.

How do I know what the Options do?

3.2 Installing a Custom Tune File

3.3 Returning your Vehicle to Stock

3.4 User Adjustable Options Explained

PERFORMANCE

Most aggressive diesel tune for daily use, racing, or economy.

STREET

Less power than Performance, moderate gain, safe for light towing.

TOWING TRANS

For towing significant loads, with towing-centered shifting.

ONLY JAKE BRAKE

Exhaust brake for engine braking while coasting.

LOCKED AT CT

Keeps torque converter locked during deceleration.

LOCK IN 1-2-3

Locks torque converter in 1st, 2nd, and 3rd gear.

AGG. TOW HAUL

More aggressive shift schedule for power band.

DIESEL AND GAS SHARED OPTIONS

EGR DELETE

Removes check engine light from EGR delete.

AXLE RATIO

Corrects shift patterns/speedometer for axle ratio.

TIRE SIZE

Corrects shift patterns/speedometer for tire size.

IDLE SPEED

Sets idle speed in RPM.

TRACTION CONTROL

Enables/disables traction control.

WOT SHIFT

Adjusts WOT shift points by gear.

SHIFT PRESSURE

Adjusts transmission shift pressure.

GAS VEHICLES SPECIFIC OPTIONS

TUNE TYPE

Performance varies by octane, 93 highest.

TOWING TUNE

Focuses tunes on towing over performance.

ECONOMY TUNE

Focuses tunes on economy over performance.

REAR O2 S

Disables rear O2 sensors and related CEL.

GLOBAL SPARK

Adds/removes timing across entire RPM range.

SPARK BY RPM

Adds/removes timing by RPM range.

WOT FUEL

Adds/removes fuel at wide open throttle.

FUEL INJECTORS

Adjusts for different sized injectors.

CMCV DELETES

Updates tune for CMCV/IMRC delete plates.

FAN CONTROL

Lowers fan turn-on temperature.

REV LIMITER DRIVE

Sets rev limit in RPM while in drive.

REV LIMITER NEUTRAL

Sets rev limit in RPM while in neutral.

SPEED LIMIT

Modifies vehicle speed limiter.

4. USING DEVICE FEATURES

4.1 On-Device Data Logging and Monitoring

Features for monitoring vehicle data and logging.

4.2 Connecting External Analog Inputs

4.3 Device Settings

CHECK FOR UDPATES

Automatically checks for device updates.

WIFI

Allows connection to a wireless network.

DISPLAY BRIGHTNESS (DAY)

Adjusts screen brightness for daytime use.

DISPLAY BRIGHTNESS (NIGHT)

Adjusts screen brightness for nighttime use.

DISPLAY ORIENTATION

Changes screen layout between Portrait or Landscape.

THEME

Changes the appearance of menu screens.

LIGHT SENSOR

Automatically adjusts screen brightness.

AUDIO

Enables keypad beep sound.

STARTUP FUNCTION

Selects the startup screen (Main Menu or Gauges/Datalog).

DEMO MODE

Simulates programmer functions.

FACTORY RESET

Deletes custom tunes and restores preloaded tunes.

5. COMMON QUESTIONS

When I connect the tuner to the vehicle, it doesnt power on.

Troubleshooting steps for the device not powering on.

Does the tuner have to stay plugged in to keep the vehicle tune?

Information on whether the programmer needs to remain connected.

Can I stack;combine the SCT programmer with another chip or tuning module?

Guidance on using the SCT programmer with other modules.

Can I tune more than one vehicle with this programmer?

Information on tuning multiple vehicles with the device.

Can the vehicle be tuned while the engine is running?

Clarification on tuning engine running status.

Should I return to stock before taking my vehicle to the dealer?

Recommendation to revert to stock before dealer visits.

Can I use a lower octane fuel than the tune file lists?

Warning about using incorrect octane fuel with tunes.

I have a supercharger; nitrous oxide on my vehicle; can I use a pre-loaded tune?

Guidance on using pre-loaded tunes with major modifications.

SCT X4 Specifications

General IconGeneral
BrandSCT
ModelX4
CategoryMotherboard
LanguageEnglish

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