Integrated trailer brake controller intermittent disconnection
ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
40 NHTSA complaints · 2023-06 → 2026-07
“While towing my fifth wheel trailer, the electric trailer brakes module shuts off with a message "check trailer wiring". When the module shuts off, the trailer brakes do not actuate relying fully on the truck to stop as the trailer brakes will not work.”
“The integrated trailer brake controller connects and disconnects the trailer brakes as often as several times per minute. I have confirmed there is no issue with the trailer. The issue appears to be in the truck. This led to a near-miss accident.”
“I was towing a dump trailer with gravel in it down a gravel road grade (downhill around 5-7mph) and received a warning on the DTC about the trailer brake being disconnected. All of the lights on the trailer were still working, however the trailer brakes no longer functioned…”