P2415Heated oxygen sensor (HO2S) 1, bank 2 - exhaust sample error / Engine coolant temperature (ECT) sensor - low signal
Generic (OBD-II) interpretation in the TuningBot DTC database.
P · PowertrainEmissionsOBD2
What P2415 means
P2415
Heated oxygen sensor (HO2S) 1, bank 2 - exhaust sample error / Engine coolant temperature (ECT) sensor - low signal
Generic · emissions
Data confidence78%
The control module registered the fault condition described as "Heated oxygen sensor (HO2S) 1, bank 2 - exhaust sample error / Engine coolant temperature (ECT) sensor - low signal".
Symptoms
MIL illuminated
Possible increased fuel consumption
Possible unstable idle
Possible causes
Exhaust leak
HO2S / Wiring
short to ground
ECT sensor
ECM
Recommended checks
Read live sensor voltage/current and heater status
Inspect wiring and connectors
Check for exhaust leaks near the sensor
Check fuel trim values for upstream mixture faults
Powertrain: engine, transmission and driveline systems.
2
Generic SAE-standard code: same meaning on every make.
415
Specific fault index within the subsystem.
Frequently asked questions about P2415
What does P2415 mean?
Heated oxygen sensor (HO2S) 1, bank 2 - exhaust sample error / Engine coolant temperature (ECT) sensor - low signal. The control module registered the fault condition described as "Heated oxygen sensor (HO2S) 1, bank 2 - exhaust sample error / Engine coolant temperature (ECT) sensor - low signal".
Is P2415 generic or manufacturer-specific?
P2415 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P2415 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.
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