OBD Guide
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B10C0

Condenser Fan Control Circuit Open

B10C0 is an OBD-II diagnostic trouble code meaning: Condenser Fan Control Circuit Open. Common causes: open or short circuit in wiring harness, condenser fan malfunction. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Condenser fan not working
  • Reduced air conditioner efficiency
  • Condenser overheating
  • Possible increase in engine temperature in hot weather

Causes

  • Open or short circuit in wiring harness
  • Condenser fan malfunction
  • Damaged control relay
  • Poor contact in the connector
  • Engine control unit (ECU) malfunction

How to Fix

  1. Check the fan circuit fuse
  2. Inspect the wiring harness for damage
  3. Check the operation of the condenser fan
  4. Test control relay
  5. Check the contacts in the connectors
  6. If necessary, replace faulty components

Related codes

B10C1B10C2P0480

FAQ

What does the B10C0 code mean?

B10C0 is an OBD-II diagnostic trouble code that indicates: Condenser Fan Control Circuit Open

What causes a B10C0 error code?

The most common causes of B10C0 include: Open or short circuit in wiring harness; Condenser fan malfunction; Damaged control relay; Poor contact in the connector.

How do I fix a B10C0 diagnostic trouble code?

To fix B10C0: Check the fan circuit fuse. Inspect the wiring harness for damage. Check the operation of the condenser fan. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B10C0?

Limited driving only, diagnose soon

How much does it cost to fix B10C0?

The estimated repair cost for B10C0 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat