C0523
Multi-axis Acceleration Sensor Module B Intermittent/Erratic
C0523 is an OBD-II diagnostic trouble code meaning: Multi-axis Acceleration Sensor Module B Intermittent/Erratic. Common causes: damage to multi-component acceleration sensor b, short circuit in wiring harness (harness). Estimated repair cost: $56–278.
Symptoms
- SRS malfunction indicator is on
- Restraint system failure
- Incorrect operation of airbags or pretensioners
Causes
- Damage to multi-component acceleration sensor B
- Short circuit in wiring harness (harness)
- Oxidation of contacts in connectors
- Mechanical damage to the module (for example, after an accident)
- Internal malfunction of the SRS control unit
How to Fix
- Check the visual condition of the sensor and its connectors
- Scan the SRS system to confirm the malfunction
- Check the integrity of the wiring harness and the sensor power supply
- If necessary, replace the sensor or restore the electrical circuit
- Reset errors and test the system
Related codes
Error C0523 by Vehicle Brand
FAQ
What does the C0523 code mean?
C0523 is an OBD-II diagnostic trouble code that indicates: Multi-axis Acceleration Sensor Module B Intermittent/Erratic
What causes a C0523 error code?
The most common causes of C0523 include: Damage to multi-component acceleration sensor B; Short circuit in wiring harness (harness); Oxidation of contacts in connectors; Mechanical damage to the module (for example, after an accident).
How do I fix a C0523 diagnostic trouble code?
To fix C0523: Check the visual condition of the sensor and its connectors. Scan the SRS system to confirm the malfunction. Check the integrity of the wiring harness and the sensor power supply. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C0523?
Do not drive — repair immediately
How much does it cost to fix C0523?
The estimated repair cost for C0523 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat