Invalid Data Received From Instrument Panel Cluster Control Module

Where it lives

For U0423, the part to look at first is the module named here.

Check these first

• An open or short in the Instrument Panel Cluster Control Module wiring
• A weak power or ground feed to the Instrument Panel Cluster Control Module
• A defective Instrument Panel Cluster Control Module
• A fault inside the Instrument Panel Cluster Control Module
• Corrupted or outdated software in the Instrument Panel Cluster Control Module

What to do next

1. Pull all module codes with a scan tool
2. Watch Instrument Panel Cluster Control Module data on a scan tool
3. Inspect the Instrument Panel Cluster Control Module connector for corrosion or backed out pins
4. Check the Instrument Panel Cluster Control Module circuit for opens and shorts
5. Replace the Instrument Panel Cluster Control Module if the wiring and voltage tests pass
6. Clear the code and retest

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