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P28AA
Cylinder 7 Ion Current Sense Circuit Low
Generic · engine
Data confidence
65%
The control module detected that the signal in the Cylinder 7 Ion Current Sense circuit stayed below the expected operating range.
TuningBot DTC Database · v4.37.14
P28AA Cylinder 7 Ion Current Sense Circuit Low
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P28AA means
Related and nearby codes
How to read P28AA
P
Powertrain: engine, transmission and driveline systems.
2
Generic SAE-standard code: same meaning on every make.
8AA
Specific fault index within the subsystem.
Frequently asked questions about P28AA
What does P28AA mean?
Cylinder 7 Ion Current Sense Circuit Low. The control module detected that the signal in the Cylinder 7 Ion Current Sense circuit stayed below the expected operating range.
Is P28AA generic or manufacturer-specific?
P28AA is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P28AA at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry and, where the ECU needs it, corrects the checksum too. 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