Lost Communication With Turbocharger/Supercharger Control Module B

Where it lives

For U010D, the part to look at first is the module named here.

Check these first

• Wiring faults between turbocharger control module B and the vehicle computer
• A failed turbocharger control module B
• Corrosion or water at module B
• A software fault in module B

What to do next

1. Inspect turbocharger control module B connectors and harness
2. Check the module power and ground
3. Check for water at module B
4. Verify module B responds on a scan tool
5. Replace turbocharger control module B if it stays offline
6. Clear the code and retest

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