Lost Communication With Restraints System Sensor A

Where it lives

For U0170, the part to look at first is the sensor named here.

Check these first

• A failed restraints system sensor A
• Wiring damage to sensor A after a hit or repair
• Corrosion or water at sensor A and its connector
• A blown fuse or short feeding sensor A
• A software fault in the network that talks to sensor A

What to do next

1. Inspect restraints system sensor A and its wiring
2. Check the fuse and wiring that feed sensor A
3. Look for corrosion or water at sensor A
4. Update the software that talks to the restraints sensors
5. Replace restraints system sensor A if it does not answer
6. Clear the code and retest

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