Autel IM508S – PCM Parameter Reset and Programming All Lost Keys for 2018 Ford F150

Today, we’ll show you how to use the Autel MaxiIM IM508S to perform a PCM parameter reset and program keys on a 2018 Ford F150 after all keys have been lost. You will need two new smart keys for this process.

Step-by-Step Procedure:

1.Connect the IM508S
Plug the IM508S tablet into the vehicle’s OBD port.

2.Access the IMMO System On the tablet:
IMMO >> Accept >> Ford >> Manual Selection
Ford >> USA >> F-150 >> 2018-2020 >> Smart Key
Select Yes when prompted for Smart Key
Navigate to ECU >> Parameter Reset [Fuel] >> Parameter – Reset

3.Turn on the Ignition

4.Autel IM508S Warning

You will receive a warning:
“Perform this procedure only if you have replaced the PCM or PATS on this vehicle.”
Press YES to continue.

5.Parameter Reset Process

The system will read data, please wait.
The instrument panel might go black during this function—this is normal.
After security access is granted (this takes 3-10 minutes), you’ll see a Learning Successful message.

6.Program New Keys

Navigate to:
Control Unit >> Keyless System “CAN” >> Learning Keys >> All Smart Keys Lost

Important Notes:

A network connection is required, so ensure the device is connected via WiFi.
Again, it’s normal for the instrument panel to turn black during this function.
This process will delete all previously learned smart keys.

7.Continue with Key Programming

Press OK to proceed.
If asked whether the alarm is active, select No.

8.System Configuration

The system will configure, taking approximately 10 minutes.
Select Yes if you want to delete all keys (you will need to program two keys afterward).
Select No if you just want to add keys without deleting the existing ones.

9.Delete and Program New Keys

If you choose to delete all keys:
The system will confirm Current number of keys: 0 after deletion.
Insert the first smart key into the designated slot (in the armrest compartment, cupholder, or glovebox).
The system will begin learning the key.

After the first key is learned:

The system will show Current number of keys: 1.
Remove the first key and insert the second smart key into the slot.
The system will learn the second key.
After learning is complete, the display will show Current number of keys: 2.

10.Finish Key Programming

Press NO to finish the process after learning both keys.

11.Test the Keys
Both keys should now work correctly.

Completed!

This guide helps you successfully reset the PCM parameters and program new smart keys on a 2018 Ford F150 using the Autel IM508S.