OBD Guide
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B25A9

Front Driver Door Handle Sense

B25A9 is an OBD-II diagnostic trouble code meaning: Front Driver Door Handle Sense. Common causes: open or short circuit in the sensor circuit, oxidation of sensor contacts. Estimated repair cost: $33–167.

Severity
✅ Low
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Keyless entry of the front driver's door does not work
  • Door handle light flashing
  • Error message on the dashboard

Causes

  • Open or short circuit in the sensor circuit
  • Oxidation of sensor contacts
  • Malfunction of the handle sensor itself
  • Problems with the door wiring harness
  • Door control unit malfunction

How to Fix

  1. Check the integrity of the wiring harness in the door
  2. Check handle sensor contacts
  3. Scan the door control unit for additional errors
  4. If necessary, replace the handle sensor
  5. Check operation after repair

Related codes

B25AAB25AB

FAQ

What does the B25A9 code mean?

B25A9 is an OBD-II diagnostic trouble code that indicates: Front Driver Door Handle Sense

What causes a B25A9 error code?

The most common causes of B25A9 include: Open or short circuit in the sensor circuit; Oxidation of sensor contacts; Malfunction of the handle sensor itself; Problems with the door wiring harness.

How do I fix a B25A9 diagnostic trouble code?

To fix B25A9: Check the integrity of the wiring harness in the door. Check handle sensor contacts. Scan the door control unit for additional errors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B25A9?

Yes, but get it checked soon

How much does it cost to fix B25A9?

The estimated repair cost for B25A9 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat