Powertrain: engine, transmission and driveline systems.
0
Generic SAE-standard code: same meaning on every make.
142
Specific fault index within the subsystem.
Frequently asked questions about P0142
What does P0142 mean?
Heated oxygen sensor (HO2S) 3, bank. 1 - circuit malfunction. The control module detected improper operation of the Heated oxygen sensor (HO2S) 3, bank. 1 circuit.
Is P0142 generic or manufacturer-specific?
P0142 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P0142 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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