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TuningBot DTC Database · v4.37.15

U0630 Lost Communication With Engine Coolant Temperature Sensor 4

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

U · NetworkThermal_managementOBD2

What U0630 means

U0630
Lost Communication With Engine Coolant Temperature Sensor 4 Generic · thermal_management Data confidence 65%

The control module stopped receiving expected network messages from the Engine Coolant Temperature Sensor 4 node on the vehicle communication bus.

Related and nearby codes

How to read U0630

U

Network: communication between control units.

0

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

630

Specific fault index within the subsystem.

Frequently asked questions about U0630

What does U0630 mean?

Lost Communication With Engine Coolant Temperature Sensor 4. The control module stopped receiving expected network messages from the Engine Coolant Temperature Sensor 4 node on the vehicle communication bus.

Is U0630 generic or manufacturer-specific?

U0630 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove U0630 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 U0630 is removable in your case.

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