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U0668
Lost Communication With Engine Oil Level Sensor Circuit
Generic · engine
Data confidence
65%
The control module detected improper operation of the Lost Communication With Engine Oil Level circuit.
TuningBot DTC Database · v4.37.14
U0668 Lost Communication With Engine Oil Level Sensor Circuit
Generic (OBD-II) interpretation in the TuningBot DTC database.
What U0668 means
Related and nearby codes
How to read U0668
U
Network: communication between control units.
0
Generic SAE-standard code: same meaning on every make.
668
Specific fault index within the subsystem.
Frequently asked questions about U0668
What does U0668 mean?
Lost Communication With Engine Oil Level Sensor Circuit. The control module detected improper operation of the Lost Communication With Engine Oil Level circuit.
Is U0668 generic or manufacturer-specific?
U0668 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove U0668 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 U0668 is removable in your case.
Other file services
Understand the system behind this code: Diagnostic Strategy and DTC Logic