Powertrain: engine, transmission and driveline systems.
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Generic SAE-standard code: same meaning on every make.
42D
Specific fault index within the subsystem.
Frequently asked questions about P042D
What does P042D mean?
Catalyst Temperature Sensor Circuit High Bank 1 Sensor 2. The control module detected that the signal in the Catalyst Temperature circuit stayed above the expected operating range.
Is P042D generic or manufacturer-specific?
P042D is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P042D 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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