U04A7

Q: Can I keep driving with this code?

The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.

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

High severity

A receiving module detected implausible data from hybrid/EV battery interface module G. Cell-voltage, current or temperature values fail plausibility checks against other inputs and are rejected.

Common causes

Module internal fault or sensor input drift
One of the most commonly reported causes for this code — check this first.
high
Typical part cost: $220-2750
Software version mismatch after replacement
A plausible cause — test and verify before replacing parts.
medium
Typical part cost: $220-2750
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First things to check

1Confirm the code with a scan tool and check for additional related codes.
2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.

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Related codes

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Frequently asked questions

What does U04A7 mean?

U04A7 means "Invalid Data Received From Hybrid/EV Battery Interface Control Module G". It is a generic OBD-II code that points to a fault in the network / communication.

What are the most common causes of U04A7?

module internal fault or sensor input drift; software version mismatch after replacement; gateway module routing can messages incorrectly — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.

Can I keep driving with this code?

This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly. Use the Wrenchify app for a full diagnosis specific to your vehicle.

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