P2142Exhaust gas recirculation (EGR) throttle control valve - circuit high
Generic (OBD-II) interpretation in the TuningBot DTC database.
P · PowertrainEmissionsOBD2
What P2142 means
P2142
Exhaust gas recirculation (EGR) throttle control valve - circuit high
Generic · emissions
Data confidence78%
The control module detected that the signal in the Exhaust gas recirculation (EGR) throttle control valve circuit stayed above the expected operating range.
Symptoms
MIL illuminated
Possible reduced engine performance
Possible rough idle or hesitation
Possible causes
Wiring short to positive
EGR throttle control valve
Recommended checks
Read freeze frame data and full module scan
Check battery voltage and sensor supply
Inspect EGR wiring and connectors
Compare commanded vs actual EGR position/flow with live data
Inspect EGR valve and passages for carbon build-up
Powertrain: engine, transmission and driveline systems.
2
Generic SAE-standard code: same meaning on every make.
142
Specific fault index within the subsystem.
Frequently asked questions about P2142
What does P2142 mean?
Exhaust gas recirculation (EGR) throttle control valve - circuit high. The control module detected that the signal in the Exhaust gas recirculation (EGR) throttle control valve circuit stayed above the expected operating range.
Is P2142 generic or manufacturer-specific?
P2142 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P2142 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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