U0689Lost Communication With Turbocharger/Supercharger B Temperature Sensor
Generic (OBD-II) interpretation in the TuningBot DTC database.
U · NetworkEngineOBD2
What U0689 means
U0689
Lost Communication With Turbocharger/Supercharger B Temperature Sensor
Generic · engine
Data confidence65%
The control module stopped receiving expected network messages from the Turbocharger/Supercharger B Temperature Sensor node on the vehicle communication bus.
Generic SAE-standard code: same meaning on every make.
689
Specific fault index within the subsystem.
Frequently asked questions about U0689
What does U0689 mean?
Lost Communication With Turbocharger/Supercharger B Temperature Sensor. The control module stopped receiving expected network messages from the Turbocharger/Supercharger B Temperature Sensor node on the vehicle communication bus.
Is U0689 generic or manufacturer-specific?
U0689 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove U0689 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 U0689 is removable in your case.
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