Code result
P2C3F
Fan 4 Control Circuit Low
High severity
What it means
The control circuit of cooling fan 4 reports a control circuit low condition. Fan operation cannot be commanded reliably.
Is it safe to drive?
No — stop driving
This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly.
Most likely causes
Control wire shorted to ground
highOne of the most commonly reported causes for this code — check this first.
Relay coil shorted
mediumA plausible cause — test and verify before replacing parts.
Connector pins corroded - high contact resistance
lowLess common, but worth ruling out after the more likely causes.
Related help
Get the full diagnosis
Add your vehicle and see step-by-step repair help, recalls, and TSBs in Wrenchify.
Diagnose P2C3F freeNo credit card required