Lost Communication With Restraints System Sensor M

Where it lives

For U017C, start at the sensor the description names.

Check these first

• Physical damage to restraints sensor M or its pigtail
• A loose or disconnected sensor M connector
• Corrosion in the sensor M wiring
• A failed restraints system sensor M
• A module software fault affecting sensor M

What to do next

1. Inspect sensor M and its harness for physical damage
2. Reseat the sensor M connector and check terminal tension
3. Check for corrosion in the sensor M circuit
4. Verify sensor M reports on a scan tool
5. Replace restraints sensor M if it stays offline
6. Clear the code and retest

Look up another code