OBD Guide

P2B2F

Fan 1 Performance/Stuck Off

P2B2F is an OBD-II diagnostic trouble code meaning: Fan 1 Performance/Stuck Off. Common causes: cooling fan malfunction, fan relay fault. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Engine overheating
  • Increased coolant temperature
  • Turning on the Check Engine Light
  • Reduced air conditioner performance
  • No or weak fan noise

Causes

  • Cooling fan malfunction
  • Fan relay fault
  • Coolant temperature sensor malfunction
  • Open or short circuit in fan wiring
  • Engine control unit (ECU) malfunction

How to Fix

  1. Check the cooling fan fuse and relay.
  2. Check the fan wiring and connectors for damage.
  3. Check the operation of the fan by applying power to it directly.
  4. Check the coolant temperature sensor.
  5. Replace faulty components.

Related codes

Error P2B2F by Vehicle Brand

FAQ

What does the P2B2F code mean?

P2B2F is an OBD-II diagnostic trouble code that indicates: Fan 1 Performance/Stuck Off

What causes a P2B2F error code?

The most common causes of P2B2F include: Cooling fan malfunction; Fan relay fault; Coolant temperature sensor malfunction; Open or short circuit in fan wiring.

How do I fix a P2B2F diagnostic trouble code?

To fix P2B2F: Check the cooling fan fuse and relay.. Check the fan wiring and connectors for damage.. Check the operation of the fan by applying power to it directly.. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2B2F?

Yes, but get it checked soon

How much does it cost to fix P2B2F?

The estimated repair cost for P2B2F is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat