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TuningBot DTC Database · v4.37.14

U0441 Invalid Data Received From Emissions Critical Control Information

Generic (OBD-II) interpretation in the TuningBot DTC database.

U · NetworkNetworkOBD2

What U0441 means

U0441
Invalid Data Received From Emissions Critical Control Information Generic · network Data confidence 65%

The control module registered the fault condition described as "Invalid Data Received From Emissions Critical Control Information".

Symptoms

  • Multiple warning lamps possible
  • Functions of the affected module unavailable

Possible causes

  • CAN bus wiring fault (open, short, chafed harness)
  • Faulty control module loading the bus
  • Connector or terminal corrosion
  • Power supply or ground fault of a module

Recommended checks

  • Perform a full-module scan to map which modules communicate
  • Check CAN bus resistance and voltages at the diagnostic connector
  • Inspect wiring and connectors of the affected module
  • Check module power supply and grounds
  • Disconnect suspect modules one at a time only with a documented procedure

Related and nearby codes

How to read U0441

U

Network: communication between control units.

0

Generic SAE-standard code: same meaning on every make.

441

Specific fault index within the subsystem.

Frequently asked questions about U0441

What does U0441 mean?

Invalid Data Received From Emissions Critical Control Information. The control module registered the fault condition described as "Invalid Data Received From Emissions Critical Control Information".

Is U0441 generic or manufacturer-specific?

U0441 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove U0441 at file level?

Not guaranteed. Powertrain (P) codes can be reliably disabled in the ECU calibration, but body, chassis and network codes depend on the specific control unit and how the fault is implemented - some can be handled, some cannot. Ask for a quote and our engineers will check your file and tell you, free of charge, whether U0441 is removable in your case.

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