Lost Communication With Multi-axis Acceleration Sensor Module A

Where it lives

For U0125, start at the sensor the description names.

Check these first

• A failed Multi-axis Acceleration Sensor Module A
• Corrosion or damage in the module connector
• An open or short in the harness between the module and the ECM
• A poor connection at the ECM or the module
• Stored crash data in the airbag control module

What to do next

1. Scan all modules for communication and crash codes
2. Inspect Multi-axis Acceleration Sensor Module A and its connector
3. Check the harness for opens and shorts
4. Clear any stored airbag crash data if the system allows
5. Replace Multi-axis Acceleration Sensor Module A if the bus and feeds test good
6. Clear the code and retest

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