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P2C79
NOx Adsorber - Sulfur Limit Exceeded
Generic · engine
Data confidence
65%
The control module detected that the monitored NOx Adsorber - Sulfur Limit value exceeded the calibrated threshold.
TuningBot DTC Database · v4.37.15
P2C79 NOx Adsorber - Sulfur Limit Exceeded
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P2C79 means
Related and nearby codes
How to read P2C79
P
Powertrain: engine, transmission and driveline systems.
2
Generic SAE-standard code: same meaning on every make.
C79
Specific fault index within the subsystem.
Frequently asked questions about P2C79
What does P2C79 mean?
NOx Adsorber - Sulfur Limit Exceeded. The control module detected that the monitored NOx Adsorber - Sulfur Limit value exceeded the calibrated threshold.
Is P2C79 generic or manufacturer-specific?
P2C79 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P2C79 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: SCR / AdBlue System