OBD Guide

B0200

Front Blower Motor Power Circuit Low

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$22–111 (est.)

Symptoms

  • Heater fan does not work
  • The fan only runs at maximum speed
  • Intermittent fan operation

Causes

  • Broken or corroded wires in the power circuit
  • Faulty fan control module
  • Rheostat or Speed Resistor Problems
  • Poor connection in connectors
  • Blown fuse
  • Fan relay fault

How to Fix

  1. Check the fuse in the fan circuit
  2. Inspect the wiring harness for damage
  3. Check the voltage at the fan contacts
  4. Check fan relay operation
  5. Test the speed control rheostat
  6. Replace faulty components

Related codes

Error B0200 by Vehicle Brand