P20E4Exhaust gas temperature sensor 2/3, bank 1 - correlation
Generic (OBD-II) interpretation in the TuningBot DTC database.
P · PowertrainEmissionsOBD2
What P20E4 means
P20E4
Exhaust gas temperature sensor 2/3, bank 1 - correlation
Generic · emissions
Data confidence78%
The control module detected a fault associated with the Exhaust gas temperature sensor 2/3, bank 1 - correlation circuit or function; the stored code identifies the affected component rather than a single failure mode.
Powertrain: engine, transmission and driveline systems.
2
Generic SAE-standard code: same meaning on every make.
0E4
Specific fault index within the subsystem.
Frequently asked questions about P20E4
What does P20E4 mean?
Exhaust gas temperature sensor 2/3, bank 1 - correlation. The control module detected a fault associated with the Exhaust gas temperature sensor 2/3, bank 1 - correlation circuit or function; the stored code identifies the affected component rather than a single failure mode.
Is P20E4 generic or manufacturer-specific?
P20E4 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P20E4 at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry and, where the ECU needs it, corrects the checksum too. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.