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P0695 — Fan Control Circuit Low
CautionCoolingLimp to the next safe stop
Seen on: Heavy Truck
Fan Control Circuit Low. Common causes: Fan control circuit stuck low.
Don't risk it — get a diesel tech on the truck.
Your code rides along, so nearby mechanics see the fault before they quote you.
How serious is it?
Caution. Limp to the next safe stop.
Most likely causes
- Fan control circuit stuck low
- Wiring shorted to ground
- failed control relay
First moves (roadside)
- Check fan relay
- trace fan control circuit for ground fault
FAQ
What does P0695 mean?
Fan Control Circuit Low. Common causes: Fan control circuit stuck low.
How serious is P0695?
Caution — Limp to the next safe stop.
What's the most likely cause of P0695?
The most common cause is: Fan control circuit stuck low. Other possibilities include Wiring shorted to ground; failed control relay.
Can I keep driving with P0695?
Limp to the next safe stop. When in doubt, get a qualified mobile diesel tech on the truck before continuing.
Throwing this code right now?
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General diagnostic guidance for diesel engines (Cummins, Detroit, PACCAR, Volvo, Mack and more). Not a substitute for a scan-tool diagnosis on your specific truck.