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P28B4
Cylinder 10 Ion Current Sense Circuit
Generic · engine
Data confidence
65%
The control module detected improper operation of the Cylinder 10 Ion Current Sense circuit.
TuningBot DTC Database · v4.37.15
P28B4 Cylinder 10 Ion Current Sense Circuit
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P28B4 means
Related and nearby codes
How to read P28B4
P
Powertrain: engine, transmission and driveline systems.
2
Generic SAE-standard code: same meaning on every make.
8B4
Specific fault index within the subsystem.
Frequently asked questions about P28B4
What does P28B4 mean?
Cylinder 10 Ion Current Sense Circuit. The control module detected improper operation of the Cylinder 10 Ion Current Sense circuit.
Is P28B4 generic or manufacturer-specific?
P28B4 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P28B4 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