OBD Guide

U350F

Control Module Cooling Fan Circuit Range/Performance

U350F is an OBD-II diagnostic trouble code meaning: Control Module Cooling Fan Circuit Range/Performance. Common causes: cooling fan malfunction, open or short circuit in wiring. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Control module overheating
  • Cooling fan does not work
  • Hot air in the cabin
  • Check Engine light comes on
  • Reduced engine performance

Causes

  • Cooling fan malfunction
  • Open or short circuit in wiring
  • Faulty relay or fuse
  • Problems in the control module
  • Poor contact in connectors

How to Fix

  1. Check the operation of the cooling fan
  2. Inspect wiring and connectors for damage
  3. Check relays and fuses
  4. Test the control module
  5. Replace faulty components

Related codes

Error U350F by Vehicle Brand

FAQ

What does the U350F code mean?

U350F is an OBD-II diagnostic trouble code that indicates: Control Module Cooling Fan Circuit Range/Performance

What causes a U350F error code?

The most common causes of U350F include: Cooling fan malfunction; Open or short circuit in wiring; Faulty relay or fuse; Problems in the control module.

How do I fix a U350F diagnostic trouble code?

To fix U350F: Check the operation of the cooling fan. Inspect wiring and connectors for damage. Check relays and fuses. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U350F?

Yes, but get it checked soon

How much does it cost to fix U350F?

The estimated repair cost for U350F is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat