Lost Communication With Turbocharger/Supercharger Boost Sensor A

Where it lives

For U060B, the description names the sensor as the part involved.

Check these first

• The powertrain bus cannot reach the boost sensor A module
• An open signal circuit from boost sensor A to the control module
• A corroded connector at the turbocharger boost sensor
• A short to ground in the boost sensor A harness
• An internal fault in the boost sensor A module

What to do next

1. Check turbocharger boost sensor A live data on a scan tool
2. Inspect the boost sensor connector for corrosion
3. Test the signal wire for an open or short
4. Verify power and ground at boost sensor A
5. Replace boost sensor A if communication does not return
6. Clear the code and retest

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