SCT X4 Performance Programmer Instruction Manual

SCT X4 Performance Programmer

SETUP

1. Ensure vehicle is turned off and parked safely.

2. Fully open the hood and ensure it is secured.

3. Locate the ECU on the firewall on the passenger’s side of the vehicle (see green arrow below).

4. 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.

5. Connect the ECU connector provided with the X4 to connection 1 on the ECU as show above and to the SCT Box.

6. Connect the X4 to the SCT box using the OBDII cable,

7. Connect the SCT box to the battery using the battery clamps provided. Battery Clamps Install: Red to positive, black to negative.

LOADING YOUR CUSTOM TUNE

1. Be sure you have completed the setup steps on Page 1 & 2.
2. On the X4 select PROGRAM VEHICLE. 3. Review and accept the STREET USE NOTICE.
3. Select which Custom Tune file you want to program.
4. If this is your first flash, you will see SAVING STOCK DATA. This is normal.
5. The X4 will now program in the custom tune file. When complete, reconnect the ECU by disconnecting the battery clamps and reconnecting all 3 ECU connections.

RETURNING YOUR VEHICLE TO STOCK

Return to stock

1. Be sure to have the device setup using the steps above.
2. On the X4 select PROGRAM VEHICLE.
3. Review and accept the Street Use Notice and press RETURN TO STOCK.
4. Confirm Return to Stock.
5. The X4 will now program in the stock file.
6. When complete, reconnect the ECU.

LIVELINK GEN-II / ADVANTAGE III

To use LiveLink or Advantage III with the 2021-2022 F-150 please update to the current release version including any outstanding database update.

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.

For technical assistance please go to www.scflash.com and click support.

References

• Gas & Diesel Tuners | Tuning Software | SCT Flash

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