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TuningBot DTC Database · v4.37.15

P242C Exhaust gas temperature sensor 3, bank 1 - circuit low

Generic (OBD-II) interpretation in the TuningBot DTC database.

P · PowertrainEmissionsOBD2

What P242C means

P242C
Exhaust gas temperature sensor 3, bank 1 - circuit low Generic · emissions Data confidence 78%

The control module detected that the signal in the Exhaust gas temperature sensor 3, bank 1 circuit stayed below the expected operating range.

Possible causes

  • Wiring
  • exhaust gas temperature sensor
  • ECM

Related and nearby codes

How to read P242C

P

Powertrain: engine, transmission and driveline systems.

2

Generic SAE-standard code: same meaning on every make.

42C

Specific fault index within the subsystem.

Frequently asked questions about P242C

What does P242C mean?

Exhaust gas temperature sensor 3, bank 1 - circuit low. The control module detected that the signal in the Exhaust gas temperature sensor 3, bank 1 circuit stayed below the expected operating range.

Is P242C generic or manufacturer-specific?

P242C is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P242C 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.

Other file services

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