OBD Guide
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B2441

Driver Side Side Crash Sensor Mount Fault

B2441 is an OBD-II diagnostic trouble code meaning: Driver Side Side Crash Sensor Mount Fault. Common causes: improper installation of the sensor after body repair, corrosion or damage to the threads of the sensor mounting bolts. Estimated repair cost: $11–167.

Severity
🚨 Critical
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$11–167 (est.)

Symptoms

  • The SRS (airbag) malfunction lamp is on
  • Code B2441 in the memory of the SRS control unit
  • The side airbag system may not deploy correctly.
  • The side protection system goes into emergency mode

Causes

  • Improper installation of the sensor after body repair
  • Corrosion or damage to the threads of the sensor mounting bolts
  • Deformation of the sensor mounting bracket upon impact
  • Vibration weakening of fasteners
  • Incorrect sensor position (wrong orientation)

How to Fix

  1. Read SRS unit error codes and record all faults
  2. Disconnect the battery and wait at least 3 minutes
  3. Locate the location of the driver's side impact sensor (usually in the B-pillar or under the sill)
  4. Check the sensor mounting: the bolts are securely tightened, the bracket is not deformed
  5. Check the orientation of the sensor - the arrow should point in the right direction
  6. Tighten the fasteners to the required torque or replace the damaged bracket and sensor
  7. Connect the battery, reset the error codes and make sure the code does not reappear

Related codes

B2440B2442B2443B0051B0052

FAQ

What does the B2441 code mean?

B2441 is an OBD-II diagnostic trouble code that indicates: Driver Side Side Crash Sensor Mount Fault

What causes a B2441 error code?

The most common causes of B2441 include: Improper installation of the sensor after body repair; Corrosion or damage to the threads of the sensor mounting bolts; Deformation of the sensor mounting bracket upon impact; Vibration weakening of fasteners.

How do I fix a B2441 diagnostic trouble code?

To fix B2441: Read SRS unit error codes and record all faults. Disconnect the battery and wait at least 3 minutes. Locate the location of the driver's side impact sensor (usually in the B-pillar or under the sill). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2441?

Do not drive — repair immediately

How much does it cost to fix B2441?

The estimated repair cost for B2441 is $11–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat