U0657Lost Communication With Turbocharger/Supercharger Bypass Valve A Position Sensor
Generic (OBD-II) interpretation in the TuningBot DTC database.
U · NetworkEngineOBD2
What U0657 means
U0657
Lost Communication With Turbocharger/Supercharger Bypass Valve A Position Sensor
Generic · engine
Data confidence65%
The control module stopped receiving expected network messages from the Turbocharger/Supercharger Bypass Valve A Position Sensor node on the vehicle communication bus.
Generic SAE-standard code: same meaning on every make.
657
Specific fault index within the subsystem.
Frequently asked questions about U0657
What does U0657 mean?
Lost Communication With Turbocharger/Supercharger Bypass Valve A Position Sensor. The control module stopped receiving expected network messages from the Turbocharger/Supercharger Bypass Valve A Position Sensor node on the vehicle communication bus.
Is U0657 generic or manufacturer-specific?
U0657 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove U0657 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 U0657 is removable in your case.
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