Powertrain: engine, transmission and driveline systems.
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Generic SAE-standard code: same meaning on every make.
42F
Specific fault index within the subsystem.
Frequently asked questions about P042F
What does P042F mean?
Exhaust Gas Recirculation "A" Control Stuck Closed. The control module determined that the Exhaust Gas Recirculation "A" Control did not change state as commanded and appears stuck.
Is P042F generic or manufacturer-specific?
P042F is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P042F 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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