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P289A
Cylinder 3 Ion Current Sense Circuit Low
Generic · engine
Data confidence
65%
The control module detected that the signal in the Cylinder 3 Ion Current Sense circuit stayed below the expected operating range.
TuningBot DTC Database · v4.37.15
P289A Cylinder 3 Ion Current Sense Circuit Low
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P289A means
Related and nearby codes
How to read P289A
P
Powertrain: engine, transmission and driveline systems.
2
Generic SAE-standard code: same meaning on every make.
89A
Specific fault index within the subsystem.
Frequently asked questions about P289A
What does P289A mean?
Cylinder 3 Ion Current Sense Circuit Low. The control module detected that the signal in the Cylinder 3 Ion Current Sense circuit stayed below the expected operating range.
Is P289A generic or manufacturer-specific?
P289A is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P289A 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