OBD Guide

C0522

Multi-axis Acceleration Sensor Module B Missing Calibration

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

Symptoms

  • The passive safety system fault indicator is on
  • The passive safety system may not work in an accident.
  • The error may be accompanied by other fault codes for the passive safety system.

Causes

  • Lack of sensor calibration after replacement
  • Multi-axis acceleration sensor B malfunction
  • Open or short circuit in wiring harness
  • Problems with the restraint system ECU
  • Consequences of an accident (re-calibration required)

How to Fix

  1. Check the wiring harness to the sensor for damage
  2. Check the power supply and ground of the sensor
  3. Replace the sensor if a fault is detected
  4. Perform calibration procedure using diagnostic equipment
  5. If necessary, replace the restraint system control unit.

Related codes

Error C0522 by Vehicle Brand