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TuningBot DTC Database · v4.37.14

U0671 Lost Communication With Fuel Temperature Sensor B

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

U · NetworkFuelOBD2

What U0671 means

U0671
Lost Communication With Fuel Temperature Sensor B Generic · fuel Data confidence 65%

The control module stopped receiving expected network messages from the Fuel Temperature Sensor B node on the vehicle communication bus.

Related and nearby codes

How to read U0671

U

Network: communication between control units.

0

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

671

Specific fault index within the subsystem.

Frequently asked questions about U0671

What does U0671 mean?

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

Is U0671 generic or manufacturer-specific?

U0671 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove U0671 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 U0671 is removable in your case.

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