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TuningBot DTC Database · v4.37.15

P28BB Cylinder 11 Ion Current Sense Circuit High

Generic (OBD-II) interpretation in the TuningBot DTC database.

P · PowertrainEngineOBD2

What P28BB means

P28BB
Cylinder 11 Ion Current Sense Circuit High Generic · engine Data confidence 65%

The control module detected that the signal in the Cylinder 11 Ion Current Sense circuit stayed above the expected operating range.

Related and nearby codes

How to read P28BB

P

Powertrain: engine, transmission and driveline systems.

2

Generic SAE-standard code: same meaning on every make.

8BB

Specific fault index within the subsystem.

Frequently asked questions about P28BB

What does P28BB mean?

Cylinder 11 Ion Current Sense Circuit High. The control module detected that the signal in the Cylinder 11 Ion Current Sense circuit stayed above the expected operating range.

Is P28BB generic or manufacturer-specific?

P28BB is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P28BB 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

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