Enable tow-mirror marker and side-turn lamps — F-150 FORScan mod (2021–2026)
Activates the marker lights and side turn indicators after retrofitting factory tow mirrors.
- Module
- BCM — Body Control Module (726)
- Model years
- 2021 2022 2023 2024 2025 2026
- Powertrain
- Gas (EcoBoost, 5.0L, V6), PowerBoost hybrid, Lightning EV
- Trim & equipment
- Requires tow mirror hardware
- Lightning: not verified; values come from gas/PowerBoost trucks
- Category
- Towing
- Risk
- Low risk
- FORScan setting
- No named setting documented. Use As-Built Format.
- As-Built
Markers (2021-26): BCM 726-40-01 xxxx xxx1 xx--. Side turn 2021-23: DDM 740-03-04 xxxx x1xx xx--
PDM 741-03-04 xxxx x1xx xx--. Side turn 2024-26: DDM 740-03-04 x1xx xxxx xx--
PDM 741-03-04 x1xx xxxx xx--As published by the source below. Compare against your own backup; surrounding digits control other features.
Notes
Requires tow-mirror hardware. Door-module nibble differs by year.
How to apply it
- Back up every module's As-Built data and keep the files somewhere safe.
- Connect FORScan with a battery maintainer on, ignition ON and engine OFF.
- Open Configuration and Programming, choose the BCM module, open As-Built Format and edit only the digit described by the source.
- Write, follow any module reset prompt, cycle the ignition, then confirm the feature and check for new trouble codes.