U350C
Control Module Cooling Fan Circuit/Open
U350C is an OBD-II diagnostic trouble code meaning: Control Module Cooling Fan Circuit/Open. Common causes: broken wire in the fan circuit, faulty fan relay. Estimated repair cost: $17–89.
Symptoms
- Control module overheating
- Cooling fan does not work
- Hot interior with engine running
- Check engine light comes on
- Decreased system performance
Causes
- Broken wire in the fan circuit
- Faulty fan relay
- Damaged fan motor
- Problems with the control unit
- Corrosion or poor contact in connectors
How to Fix
- Check the fan circuit fuse
- Test the fan control circuit
- Check the operation of the fan itself
- Diagnose control relay
- Check contacts and connectors for oxidation
- Scan the control unit for additional errors
Related codes
Error U350C by Vehicle Brand
FAQ
What does the U350C code mean?
U350C is an OBD-II diagnostic trouble code that indicates: Control Module Cooling Fan Circuit/Open
What causes a U350C error code?
The most common causes of U350C include: Broken wire in the fan circuit; Faulty fan relay; Damaged fan motor; Problems with the control unit.
How do I fix a U350C diagnostic trouble code?
To fix U350C: Check the fan circuit fuse. Test the fan control circuit. Check the operation of the fan itself. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U350C?
Limited driving only, diagnose soon
How much does it cost to fix U350C?
The estimated repair cost for U350C is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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