Invalid Data Received From Hybrid/EV Battery Interface Control Module C

Where it lives

For U04A3, the part to look at first is the module named here.

Check these first

• A failed Hybrid/EV Battery Interface Control Module C
• A corroded or damaged Hybrid/EV Battery Interface Control Module C connector
• Water intrusion or heat damage at the Hybrid/EV Battery Interface Control Module C
• A poor ground shared with the Hybrid/EV Battery Interface Control Module C

What to do next

1. Read the stored codes on a scan tool
2. Inspect the Hybrid/EV Battery Interface Control Module C connector for corrosion or backed out pins
3. Check the Hybrid/EV Battery Interface Control Module C circuit for opens and shorts
4. Replace the Hybrid/EV Battery Interface Control Module C if the circuit and grounds test good
5. Clear the code and retest

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