Code result
U0447
Invalid Data Received from Gateway A
Moderate severity
What it means
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.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Gateway software corrupted
highOne of the most commonly reported causes for this code — check this first.
Gateway internally failing
mediumA plausible cause — test and verify before replacing parts.
Gateway module routing CAN messages incorrectly
lowLess common, but worth ruling out after the more likely causes.
Related help
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