OBD Guide

B2650

Slide Sensor Malfunction

B2650 is an OBD-II diagnostic trouble code meaning: Slide Sensor Malfunction. Common causes: broken wiring harness to the sensor, oxidation of sensor contacts. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–167 (est.)

Symptoms

  • Airbag light is on
  • Curtain airbag does not deploy during testing
  • The error persists after being reset by the scanner

Causes

  • Broken wiring harness to the sensor
  • Oxidation of sensor contacts
  • Mechanical damage to the sensor
  • Problems with the SRS control unit
  • Short circuit in the circuit

How to Fix

  1. Check the integrity of the wiring harness
  2. Clean sensor contacts
  3. Check sensor resistance (according to specification)
  4. Replace sensor if necessary
  5. Reset the error and test the system

Related codes

FAQ

What does the B2650 code mean?

B2650 is an OBD-II diagnostic trouble code that indicates: Slide Sensor Malfunction

What causes a B2650 error code?

The most common causes of B2650 include: Broken wiring harness to the sensor; Oxidation of sensor contacts; Mechanical damage to the sensor; Problems with the SRS control unit.

How do I fix a B2650 diagnostic trouble code?

To fix B2650: Check the integrity of the wiring harness. Clean sensor contacts. Check sensor resistance (according to specification). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2650?

Do not drive — repair immediately

How much does it cost to fix B2650?

The estimated repair cost for B2650 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat