Variable Line Level Preamp Outputs FORScan Code for F-150
Your truck
Add Variable Line Level Preamp Outputs to a worksheet
$9.99
Choose the year, trim, engine, and drivetrain. Nothing is filled in until you pick it.
Sample
Sample worksheet
This is a sample of the layout, not a worksheet for your truck. The paid sheet uses the mods you pick and leaves a blank for each original value. You write any change yourself in FORScan.
Sample rows for a 2020 F-150. These are 2015-2020 addresses, not the 2021+ map.
| Module | Address | Your original value | Target value | Notes |
|---|---|---|---|---|
| BCM | 726-27-01 | ____________ | xxxx xxx0 xxxx | Sample layout. 2015-2020 Bambi Mode. |
| ACM | 727-01-01 | ____________ | xxxx x0xx xxxx | Sample layout. 2015-2020 Fake Engine Noise. |
| BCM | 726-41-02 | ____________ | xxx0 xxxx xxxx | Sample layout. 2015-2020 Double Horn Honk Disable. |
Sample rows only. A purchased worksheet is built from your year, trim, engine, drivetrain, and selected mods. Worksheet purchases are non-refundable except where required by law.
Variable Line Level Preamp Outputs is an advanced change that rewards careful backups for 2015–2020 Ford F-150 trucks, applied with FORScan over an OBD-II adapter. Sets ACM outputs for aftermarket amplifier installs without sound clipping. It is fully reversible and typically takes about 10 minutes to write once your worksheet is in hand.
The change touches the Audio Front Control Module (ACM), and your F-Config worksheet lists all 1 as-built code row with the module, address, and target value. Each row includes a blank for your original value so you can back up before writing changes and roll back later. Helps integrate aftermarket amplifiers using variable line-level output.
Why F-150 owners use it
Helps integrate aftermarket amplifiers using variable line-level output
Worksheet rows
1
Modules
1
Estimated time
~10 min
Compatibility
2015-2020
How you'll apply Variable Line Level Preamp Outputs
The DIY process from start to finish — backup-first and, where possible, reversible.
Back up your originals first
Before changing anything, use FORScan to read and record the current value of each of the 1 row in the Audio Front Control Module (ACM). Your worksheet leaves a blank beside every row for exactly this.
Write the worksheet values
Enter the 1 target row from your worksheet one at a time. Most owners finish Variable Line Level Preamp Outputs in about 10 minutes with a laptop and a FORScan-compatible OBD-II adapter.
Cycle the ignition and verify
Turn the key off and back on, then confirm the change behaves as expected before moving on. If anything looks off, stop and compare against the originals you recorded.
Roll back anytime
Because Variable Line Level Preamp Outputs is fully reversible, you can put every original value back later and return to stock whenever you want.
Compatible F-150 years
Review year-specific FORScan worksheet context before adding this mod to your build.
Before you write values
Make backups, confirm the adapter can see the truck, and review the FAQ before applying worksheet values.
Printable worksheet preview
Customers get a clean worksheet with original-value blanks, target values, completion checks, and module notes.
| Module | Address | Target value | Notes |
|---|---|---|---|
| ACM | 727-01-01 | xx5A xxxx xxxx | Included in worksheet |
Risk and safety notes
Requires careful backups and confidence working in FORScan.
Required modules
Variable Line Level Preamp Outputs FORScan FAQ
Is Variable Line Level Preamp Outputs safe to do on my F-150?
It is rated advanced. It is well within reach for a careful DIYer, but back up your original values and work through the worksheet one row at a time.
Is Variable Line Level Preamp Outputs reversible?
Yes. This change is fully reversible as long as you record your original as-built values first. Your worksheet leaves a blank for each original value so you can roll back to stock.
Which modules does Variable Line Level Preamp Outputs change?
It writes 1 code row to the Audio Front Control Module (ACM). Each row is listed in your worksheet with its address and target value.
How long does Variable Line Level Preamp Outputs take with FORScan?
Most owners finish Variable Line Level Preamp Outputs in about 10 minutes once they have the worksheet, a laptop, and a FORScan-compatible OBD-II adapter.
What F-150 years does Variable Line Level Preamp Outputs work on?
Variable Line Level Preamp Outputs applies to 2015–2020 F-150 trucks. Compatibility can still vary by trim, package, and module software version, so confirm against your own as-built data.
Anything to watch out for with Variable Line Level Preamp Outputs?
Audio wiring and ACM configuration must match the truck hardware.
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