OBD Guide

C0522

Multi-axis Acceleration Sensor Module B Missing Calibration

C0522 is an OBD-II diagnostic trouble code meaning: Multi-axis Acceleration Sensor Module B Missing Calibration. Common causes: lack of sensor calibration after replacement, multi-axis acceleration sensor b malfunction. Estimated repair cost: $56โ€“167.

Severity
๐Ÿ”ด High
Can you drive?
Do not drive โ€” repair immediately
Approx. repair cost
$56โ€“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

FAQ

What does the C0522 code mean?

C0522 is an OBD-II diagnostic trouble code that indicates: Multi-axis Acceleration Sensor Module B Missing Calibration

What causes a C0522 error code?

The most common causes of C0522 include: 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.

How do I fix a C0522 diagnostic trouble code?

To fix C0522: Check the wiring harness to the sensor for damage. Check the power supply and ground of the sensor. Replace the sensor if a fault is detected. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C0522?

Do not drive โ€” repair immediately

How much does it cost to fix C0522?

The estimated repair cost for C0522 is $56โ€“167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version ยท NationStat