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TuningBot DTC Database · v4.37.15

U0499 Invalid Data Received From Telematic Control Module

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

U · NetworkNetworkOBD2

What U0499 means

U0499
Invalid Data Received From Telematic Control Module Generic · network Data confidence 65%

The control module registered the fault condition described as "Invalid Data Received From Telematic Control Module".

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 U0499

U

Network: communication between control units.

0

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

499

Specific fault index within the subsystem.

Frequently asked questions about U0499

What does U0499 mean?

Invalid Data Received From Telematic Control Module. The control module registered the fault condition described as "Invalid Data Received From Telematic Control Module".

Is U0499 generic or manufacturer-specific?

U0499 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove U0499 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 U0499 is removable in your case.

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