TOWING A TRAILER – TROUBLESHOOTING
TOWING A TRAILER – INFORMATION MESSAGES
DetailsMessage
The left-hand trailer turn lamp requires
service.
Trailer Left Turn Lamps Fault Check Lamps
The right-hand trailer turn lamp requires
service.
Trailer Right Turn Lamps Fault Check
Lamps
The trailer battery voltage is too low to
charge.
Trailer Battery Not Charging See Manual
The system detects a short created by the
trailer lamps. Inspect and repair the trailer
wiring, or have the system checked as soon
as possible.
Trailer Lighting Module Fault See Manual
The trailer stoplamps require service.Trailer Stop Lamps Fault Check Lamps
Verify the trailer brake connections are
secure and that the aftermarket trailer
brake controller device is correctly installed.
Perform a trailer brake and trailer light
check if possible. If the message persists,
have your vehicle checked as soon as
possible.
Trailer brake system fault See manual
Perform a trailer brake and trailer light
check if possible. If the message persists,
have your vehicle checked as soon as
possible.
Trailer brake module fault
The trailer sway control detects trailer
sway. Reduce the vehicle's speed.
Trailer Sway Reduce Speed
Displays when one or more tires on the
trailer is above the recommended temper-
ature.
Trailer Tire Over Temperature
One or more tires on your trailer is below
the specified tire pressure.
Trailer Tire Low Specified:
A trailer tire pressure sensor requires
service. If the warning stays on or continues
to come on, have the system checked as
soon as possible.
Trailer Tire Pressure Sensor Fault
423
2023 F-150 (TFD) Canada/United States of America, enUSA, Edition date: 202206, DOM
Towing a Trailer
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