Open the towing app, enter Towing Settings, select Trailer Light Check and press Start, then walk around the connected trailer while the lamp sequence runs.
Check that your vehicle has it.
Verified for the 2025 Ranger with trailer-capable wiring and the touchscreen towing application; the trailer must be electrically connected.
- Required equipment / service
- trailer-capable wiring and towing app
Does the documented scope match your car?
This check combines the verified year, any source-supported powertrain scope, source-named trim/package and required equipment. It does not read a VIN or factory build record.
Published availability and qualifications
Verified for the 2025 Ranger with trailer-capable wiring and the touchscreen towing application; the trailer must be electrically connected.
Know what kind of control to look for.
This original category diagram is an orientation aid, not a picture of your exact trim. Use the written labels and your vehicle manual to identify the real control.
Step by step.
- 01
Park safely, connect the trailer electrical plug and verify the cable cannot drag or bind.
- 02
Open the app launcher, select the Towing app and open Towing Settings.
- 03
Select Trailer Light Check and press Start.
- 04
Walk around the trailer during the sequence and confirm every required lamp operates before towing.
Important limits
- Never splice trailer lamps directly into the truck's tail-lamp wiring.
- A successful sequence does not replace inspection of connectors, safety chains and brakes.
- Use lamps certified for their intended trailer function for reliable detection.
Quick checks.
- ✓If Start is unavailable, reseat the trailer connector and confirm the truck detects the trailer.
- ✓If a lamp stays dark, inspect the bulb or LED assembly, trailer ground, connector and wiring.
- ✓If the truck reports a wiring fault, repair the trailer circuit before towing.
What happened on your vehicle?
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2025 Ford Ranger Owner's Manual — Trailer Lighting Check
We use the written official source to determine the steps and applicability shown above.
Reviewed with a visible trail.
Scope and steps were checked by Car Cheat Codes Editorial Review. A guide is narrowed or corrected when the source does not support a broader claim.
- Published
- Last modified
- Source checked
Guide change history
- Initial verified publication.