OBD Guide
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B185D

Passenger Window Switch Circuit Stuck

B185D is an OBD-II diagnostic trouble code meaning: Passenger Window Switch Circuit Stuck. Common causes: passenger window switch stuck or damaged, short circuit in door wiring harness. Estimated repair cost: $22–111.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–111 (est.)

Symptoms

  • Passenger door power window not working
  • Spontaneous glass movement without pressing a button
  • Window control button stuck

Causes

  • Passenger window switch stuck or damaged
  • Short circuit in door wiring harness
  • Corrosion or oxidation of contacts
  • Door control unit malfunction
  • Wiring damage

How to Fix

  1. Check the condition of the passenger window switch
  2. Inspect the wiring harness for damage and corrosion.
  3. Test the power window control circuit
  4. Replace the faulty switch or repair the wiring
  5. Reset the error and check the system operation

Related codes

B185EB185F

FAQ

What does the B185D code mean?

B185D is an OBD-II diagnostic trouble code that indicates: Passenger Window Switch Circuit Stuck

What causes a B185D error code?

The most common causes of B185D include: Passenger window switch stuck or damaged; Short circuit in door wiring harness; Corrosion or oxidation of contacts; Door control unit malfunction.

How do I fix a B185D diagnostic trouble code?

To fix B185D: Check the condition of the passenger window switch. Inspect the wiring harness for damage and corrosion.. Test the power window control circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B185D?

Limited driving only, diagnose soon

How much does it cost to fix B185D?

The estimated repair cost for B185D is $22–111. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat