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TuningBot DTC Database · v4.37.15

U1440 Ring Break Between Head Unit and TV Unit

1 manufacturer-specific interpretation across 1 manufacturer in the TuningBot DTC database.

U · NetworkNetworkOBD2
Brand pages:Hyundai

Hyundai

1 interpretation
U1440
Ring Break Between Head Unit and TV Unit Hyundai · network Data confidence 62%

The control module detected a fault associated with the Ring Break Between Head Unit and TV Unit circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Hyundai.

Related and nearby codes

How to read U1440

U

Network: communication between control units.

1

Manufacturer-defined range: the meaning can differ between brands.

440

Specific fault index within the subsystem.

Frequently asked questions about U1440

What does U1440 mean?

Ring Break Between Head Unit and TV Unit. The control module detected a fault associated with the Ring Break Between Head Unit and TV Unit circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Hyundai.

Is U1440 generic or manufacturer-specific?

U1440 is a manufacturer-specific code. In this database it is documented for: Hyundai. The same number can mean something different on other brands.

Can TuningBot remove U1440 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 U1440 is removable in your case.

Other file services

ECU tuningStage 1 dyno results for Hyundai engines See the results →

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