OBD Guide
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B25B1

Window Position Sensor Power Supply Circuit Short To Ground

B25B1 is an OBD-II diagnostic trouble code meaning: Window Position Sensor Power Supply Circuit Short To Ground. Common causes: wiring harness damage, glass position sensor malfunction. Estimated repair cost: $56–167.

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

Symptoms

  • Incorrect operation of power windows
  • Window failure
  • The malfunction lamp on the dashboard lights up

Causes

  • Wiring harness damage
  • Glass position sensor malfunction
  • Grounding problems
  • Short circuit in power supply

How to Fix

  1. Check wiring harness for damage
  2. Check the glass position sensor
  3. Check circuit grounding
  4. Replace faulty components

Related codes

B25B0B25B2

FAQ

What does the B25B1 code mean?

B25B1 is an OBD-II diagnostic trouble code that indicates: Window Position Sensor Power Supply Circuit Short To Ground

What causes a B25B1 error code?

The most common causes of B25B1 include: Wiring harness damage; Glass position sensor malfunction; Grounding problems; Short circuit in power supply.

How do I fix a B25B1 diagnostic trouble code?

To fix B25B1: Check wiring harness for damage. Check the glass position sensor. Check circuit grounding. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B25B1?

Limited driving only, diagnose soon

How much does it cost to fix B25B1?

The estimated repair cost for B25B1 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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