Code result
C0784
Trailer Brake Force Sensor Circuit Malfunction
Moderate severity
What it means
The integrated trailer brake controller has detected an electrical fault in the brake force sensor circuit. Proportional trailer brake control is disabled — the controller defaults to a manual or fixed-gain mode.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Trailer brake force sensor failed
highOne of the most commonly reported causes for this code — check this first.
Wiring or connector fault
mediumA plausible cause — test and verify before replacing parts.
Related help
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