Invalid Data Received From Battery Energy Control Module B

Where it lives

For U0413, start at the module the description names.

Check these first

• The Battery Energy Control Module B sending data the ECM rejects as invalid
• A wiring or connector fault between the Battery Energy Control Module B and the ECM
• Low voltage that corrupts the Battery Energy Control Module B messages
• Software in the Battery Energy Control Module B that is out of step with the ECM

What to do next

1. Read stored codes on every module and note codes paired with the Battery Energy Control Module B code
2. Check the Battery Energy Control Module B connector pins for corrosion or a poor fit
3. Test the wiring between the Battery Energy Control Module B and the ECM
4. Check battery voltage and charging under load
5. Replace the Battery Energy Control Module B if the data stays invalid
6. Clear the code and retest

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