OBD Guide
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B25A4

Front Right Door Handle Sensor

B25A4 is an OBD-II diagnostic trouble code meaning: Front Right Door Handle Sensor. Common causes: mechanical damage to the sensor, oxidation of contacts. Estimated repair cost: $22–56.

Severity
✅ Low
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$22–56 (est.)

Symptoms

  • Keyless entry inoperability on the right side
  • Problems with central locking
  • Error message on the instrument panel

Causes

  • Mechanical damage to the sensor
  • Oxidation of contacts
  • Open or shorted wiring harness
  • Door module malfunction
  • Software glitch

How to Fix

  1. Diagnostics of the sensor and its circuits
  2. Checking the condition of contacts and wiring harness
  3. Replace the sensor if necessary
  4. Door module software update (if required)

Related codes

B25A5B25A3B25A6

FAQ

What does the B25A4 code mean?

B25A4 is an OBD-II diagnostic trouble code that indicates: Front Right Door Handle Sensor

What causes a B25A4 error code?

The most common causes of B25A4 include: Mechanical damage to the sensor; Oxidation of contacts; Open or shorted wiring harness; Door module malfunction.

How do I fix a B25A4 diagnostic trouble code?

To fix B25A4: Diagnostics of the sensor and its circuits. Checking the condition of contacts and wiring harness. Replace the sensor if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B25A4?

Yes, but get it checked soon

How much does it cost to fix B25A4?

The estimated repair cost for B25A4 is $22–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat