P0695 — Fan Control Circuit Low
What it means: Fan Control Circuit Low.
How serious / can you keep driving: Caution. Limp to the next safe stop.
Check first: Check fan relay
Don't risk it — look up listed providers near you and give them this code when you call.
Listed providers nearest Baltimore, MD
Closest first. Tell them P0695 and what the truck is doing. RoadService.app lists these providers and does not employ them or carry out the repair.
- 0.0 mi away — based in Baltimore, MD · (443) 680-6789
- 0.0 mi away — based in Baltimore, MD · (410) 544-3888
- 24 hour Mobile Diesel Truck Engine Repair DEF Repairs On Site Services Road Service Laptop Diagnostic Tractors & Dump Truck☎ Call0.0 mi away — based in Baltimore, MD · (443) 591-3631
Seen on: Heavy Truck
What P0695 means
Fan Control Circuit Low. Common causes: Fan control circuit stuck low.
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
Fan Control Circuit Low. Common causes: Fan control circuit stuck low.
Caution — Limp to the next safe stop.
The most common cause is: Fan control circuit stuck low. Other possibilities include Wiring shorted to ground; failed control relay.
Limp to the next safe stop. When in doubt, get a qualified mobile diesel tech on the truck before continuing.
Related codes
Codes that commonly appear alongside P0695, or share the same subsystem.
- Coolant level — low (SPN 111 FMI 1)
- Engine Coolant Temperature — Too High (SPN 110 FMI 0)
- Coolant temp sensor — voltage high (SPN 110 FMI 3)
- Coolant temp sensor — voltage low (SPN 110 FMI 4)
- Coolant temperature — moderately high (SPN 110 FMI 16)
- Engine Coolant Over-Temperature Condition (P0217)
- Coolant Thermostat Below Regulating Temperature (P0128)
- Fan 1 Control Circuit Malfunction (P0480)
Find a mechanic or related guides
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.