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TuningBot DTC Database · v4.37.14

P20E4 Exhaust 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 confidence 78%

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.

Possible causes

  • Wiring
  • exhaust gas temperature sensor
  • ECM

Related and nearby codes

How to read P20E4

P

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.

Other file services

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