OBD Guide

B0211

Rear Blower Motor Speed High

B0211 is an OBD-II diagnostic trouble code meaning: Rear Blower Motor Speed High. Common causes: fan resistor failure, wiring harness problems. Estimated repair cost: $56–167.

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

Symptoms

  • Noisy rear fan
  • Inability to adjust fan speed
  • The fan runs at maximum speed regardless of settings

Causes

  • Fan resistor failure
  • Wiring Harness Problems
  • Fan motor malfunction
  • Climate control unit error

How to Fix

  1. Check the integrity of the wiring harness
  2. Check fan resistor
  3. Check the fan motor
  4. Check the climate control control unit

Related codes

Error B0211 by Vehicle Brand

FAQ

What does the B0211 code mean?

B0211 is an OBD-II diagnostic trouble code that indicates: Rear Blower Motor Speed High

What causes a B0211 error code?

The most common causes of B0211 include: Fan resistor failure; Wiring Harness Problems; Fan motor malfunction; Climate control unit error.

How do I fix a B0211 diagnostic trouble code?

To fix B0211: Check the integrity of the wiring harness. Check fan resistor. Check the fan motor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B0211?

Limited driving only, diagnose soon

How much does it cost to fix B0211?

The estimated repair cost for B0211 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat