U0441
Invalid Data Received From Emissions Critical Control Information
A receiving module detected implausible data tagged as emissions-critical (CARB OBD requirement). The receiver discards the message and may set the MIL because emissions monitors cannot run.
A receiving module detected implausible data tagged as emissions-critical (CARB OBD requirement). The receiver discards the message and may set the MIL because emissions monitors cannot run.
Common causes
- high
Module internal fault or sensor input drift
One of the most commonly reported causes for this code — check this first.
Typical part cost: $130-1650
- medium
Software version mismatch after replacement
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 U0441 mean?
U0441 means "Invalid Data Received From Emissions Critical Control Information". It is a generic OBD-II code that points to a fault in the network / communication.
What are the most common causes of U0441?
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?
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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