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P289E
Cylinder 4 Ion Current Sense Circuit Low
Generic · engine
Data confidence
65%
The control module detected that the signal in the Cylinder 4 Ion Current Sense circuit stayed below the expected operating range.
TuningBot DTC Database · v4.37.14
P289E Cylinder 4 Ion Current Sense Circuit Low
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P289E means
Related and nearby codes
How to read P289E
P
Powertrain: engine, transmission and driveline systems.
2
Generic SAE-standard code: same meaning on every make.
89E
Specific fault index within the subsystem.
Frequently asked questions about P289E
What does P289E mean?
Cylinder 4 Ion Current Sense Circuit Low. The control module detected that the signal in the Cylinder 4 Ion Current Sense circuit stayed below the expected operating range.
Is P289E generic or manufacturer-specific?
P289E is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P289E 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