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P0696 — Fan Control Circuit Intermittent
CautionCoolingLimp to the next safe stop
Seen on: Heavy Truck
Fan Control Circuit Intermittent. Common causes: Fan control circuit intermittent.
Don't risk it — get a diesel tech on the truck.
Look up listed providers near you and give them this code when you call.
How serious is it?
Caution. Limp to the next safe stop.
Most likely causes
- Fan control circuit intermittent
- Loose connector
- vibration-sensitive wiring
First moves (roadside)
- Wiggle test fan control harness
- secure loose connectors
- replace wiring if chafed
FAQ
What does P0696 mean?
Fan Control Circuit Intermittent. Common causes: Fan control circuit intermittent.
How serious is P0696?
Caution — Limp to the next safe stop.
What's the most likely cause of P0696?
The most common cause is: Fan control circuit intermittent. Other possibilities include Loose connector; vibration-sensitive wiring.
Can I keep driving with P0696?
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.