Code result
U350F
Control Module Cooling Fan Circuit Range/Performance
Moderate severity
What it means
Module cooling fan circuit electrically OK but fan does not run as commanded — bearing seized, blade obstructed, or driver weak.
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
Fan motor seized
highOne of the most commonly reported causes for this code — check this first.
Gateway module routing CAN messages incorrectly
lowLess common, but worth ruling out after the more likely causes.
CAN terminating resistor (120 Ω) drifted out of spec
lowLess common, but worth ruling out after the more likely causes.
Related help
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