SCT x4 Operating instructions

x4
Brand
SCT
Model
x4
Type
Operating instructions

SCT x4 is a powerful tuning device that allows you to customize your vehicle's performance, giving you the ability to enhance engine power, improve fuel economy, and adjust various vehicle parameters. With SCT x4, you can easily load custom tunes onto your vehicle's ECU and TCU, allowing you to optimize its performance for different driving conditions and preferences. The device also enables you to monitor and record various engine parameters in real time, providing valuable insights into your vehicle's performance and helping you identify potential issues.

SCT x4 is a powerful tuning device that allows you to customize your vehicle's performance, giving you the ability to enhance engine power, improve fuel economy, and adjust various vehicle parameters. With SCT x4, you can easily load custom tunes onto your vehicle's ECU and TCU, allowing you to optimize its performance for different driving conditions and preferences. The device also enables you to monitor and record various engine parameters in real time, providing valuable insights into your vehicle's performance and helping you identify potential issues.

SETUP:
www.sctash.com
X4
Ensure vehicle is turned off and parked safely.
Fully open the hood and ensure it is secured.
Locate the ECU in the rewall on the passenger’s side of
the vehicle (See Green Arrow)
1.
2.
3.
Be sure to release the locking tab (green arrow below)
before moving gray connector arm. Disconnect all 3 of the
ECU connectors.
Note: You MUST disconnect ALL 3 connectors anytime
you are installing or uninstalling your tune.
4.
Pg.1
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X4
Pg.2
Connect the ECU connector provided with the X4 to
connection 1 on the ECU as shown above and to the SCT
box.
5.
SETUP:
Connect the X4 to the SCT box using the OBDII cable.
6.
Connect the SCT box to the battery using the battery
clamps provided. Battery Clamps Install: Red to positive,
black to negative.
7.
TUNING YOUR ECU:
www.sctash.com
X4
Pg.3
Be sure you have completed the setup steps on Page 1 & 2.
On the X4 select PROGRAM VEHICLE.
1.
2.
Review and accept the STREET USE NOTICE.
3.
TUNING YOUR ECU:
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X4
Pg.4
Select which Custom Tune le you want to program.
If this is your rst ash, you will
see SAVING STOCK DATA. This
is normal.
4.
5.
The X4 will now program in the custom tune le. When
complete, reconnect the ECU by disconnecting the battery
clamps and reconnecting all 3 ECU connections.
6.
TUNING YOUR TCU:
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X4
Pg.5
Your ECU is now tuned, plug the X4 OBDII cable into your
OBDII port under your dash to begin programming your
TCU.
7.
Review and accept the STREET USE NOTICE.
9.
On the X4 select PROGRAM VEHICLE.
8.
Follow the on-screen key prompts.10.
TUNING YOUR TCU:
www.sctash.com
X4
Pg.6
If this is your rst ash, you will see SAVING STOCK DATA.
This is normal.
11.
After stock has been saved the device will begin the tuning
process.
12
When complete, turn the key off and select DONE to
return to the main menu. Tuning is now complete, you can
disconnect the X4.
13.
RETURN YOUR ECU TO STOCK:
www.sctash.com
X4
Be sure you have completed
the setup steps on Page 1 & 2
On the X4 select
PROGRAM VEHICLE.
1.
2.
Review and accept the STREET USE NOTICE
and press RETURN TO STOCK.
Conrm Return to Stock.
3.
4.
Pg.7
RETURN YOUR ECU TO STOCK:
www.sctash.com
X4
The X4 will now program in the stock le.5.
When complete, reconnect the ECU.
6.
Pg.8
RETURN YOUR TCU TO STOCK:
www.sctash.com
X4
PLUG INTO OBDII
On the X4 select
PROGRAM VEHICLE.
1.
2.
Review and accept the STREET USE NOTICE
and press RETURN TO STOCK.
Conrm Return to Stock.
3.
4.
Pg.9
RETURN YOUR TCU TO STOCK
www.sctash.com
X4
The X4 will now program in the stock le.5.
Your vehicle is now back to stock.
6.
Pg.10
LIVELINK GEN-II / ADVANATAGE III
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X4
Pg.11
To use LiveLink with the 2020-2021 F-250/F350 6.7L please
update to the current release version including any outstanding
database updates.
LIVELINK GEN-II: Version 2.9.4.0 or newer, including
any outstanding database updates.
ADVANTAGE 3: Version 3.4 Build 22305.0 or newer.
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SCT x4 Operating instructions

x4
Brand
SCT
Model
x4
Type
Operating instructions

SCT x4 is a powerful tuning device that allows you to customize your vehicle's performance, giving you the ability to enhance engine power, improve fuel economy, and adjust various vehicle parameters. With SCT x4, you can easily load custom tunes onto your vehicle's ECU and TCU, allowing you to optimize its performance for different driving conditions and preferences. The device also enables you to monitor and record various engine parameters in real time, providing valuable insights into your vehicle's performance and helping you identify potential issues.

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