U0447
Invalid Data Received from Gateway A
A subscriber module reports that the central gateway is forwarding implausible or malformed messages. Multiple modules can show seemingly unrelated faults until the gateway is repaired or reflashed.
A subscriber module reports that the central gateway is forwarding implausible or malformed messages. Multiple modules can show seemingly unrelated faults until the gateway is repaired or reflashed.
Common causes
- high
Gateway software corrupted
One of the most commonly reported causes for this code — check this first.
Typical part cost: $130-1650
- medium
Gateway internally failing
A plausible cause — test and verify before replacing parts.
Typical part cost: $130-1650
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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
See related trouble codes
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Frequently asked questions
What does U0447 mean?
U0447 means "Invalid Data Received from Gateway A". It is a generic OBD-II code that points to a fault in the network / communication.
What are the most common causes of U0447?
gateway software corrupted; gateway internally failing; 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?
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.
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