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P06B4
Sensor Power Supply "B" Circuit Low
Generic · engine
Data confidence
78%
The control module detected that the signal in the Sensor Power Supply "B" circuit stayed below the expected operating range.
TuningBot DTC Database · v4.37.15
P06B4 Sensor Power Supply "B" Circuit Low
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P06B4 means
Related and nearby codes
How to read P06B4
P
Powertrain: engine, transmission and driveline systems.
0
Generic SAE-standard code: same meaning on every make.
6B4
Specific fault index within the subsystem.
Frequently asked questions about P06B4
What does P06B4 mean?
Sensor Power Supply "B" Circuit Low. The control module detected that the signal in the Sensor Power Supply "B" circuit stayed below the expected operating range.
Is P06B4 generic or manufacturer-specific?
P06B4 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P06B4 at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.
Other file services
Understand the system behind this code: Diagnostic Strategy and DTC Logic