← Back to Search Severity: Medium

B0185

B0185: Climate Control Fan Motor Control Circuit Malfunction

Fix Cost
$100 - $300
Parts & Labor
Difficulty
3/5
Moderate
1-2 hours
DIY Possible?
❌ No
Pro recommended
Category
Body
System

📖 What Does B0185 Mean?

The B0185 code indicates a malfunction in the climate control fan motor control circuit, which may cause the fan to malfunction or not turn on.
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Symptoms

  • • Fan not turning on
  • • uneven airflow
  • • temperature fluctuations
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Common Causes

  • • Faulty fan motor
  • • faulty fan motor control module
  • • wiring issues
  • • blown fuse
Fix Guide
🛠️

Possible Solutions

1. Check and replace the fan motor if faulty. 2. Check and replace the fan motor control module if faulty. 3. Inspect and repair any wiring issues. 4. Check and replace the blown fuse.

Required Parts

Tools

Multimeter Torx screwdriver Pliers Wrench
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Need a Pro?

Complex codes like B0185 can be tricky. Don't risk it if you're unsure.

Quick Stats

Severity Medium
DIY Friendly No
Est. Time 1-2 hours
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Related Diagnostic Codes

Other codes that may appear with B0185

B0100 Same System

B0100: Seat Position Sensor Malfunction

Medium
B0101 Same System

B0101: Body System Code B0101 - Lighting

Medium
B0102 Same System

B0102: Immobilizer System Malfunction

Medium
B0103 Same System

B0103: Audio System Malfunction

Medium
B0104 Same System

B0104: Airbag System Malfunction

High
B0105 Same System

B0105: Climate Control Blower Motor Fault

Medium

💡 Why These Codes Are Related:

  • • Similar Issues: Same root cause or component failure
  • • Related Problems: Often occur together due to system interactions
  • • Sequential Codes: Progressive failure stages or multiple sensors
  • • Same System: Components within the same automotive system