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TuningBot DTC Database · v4.37.15

P242A Exhaust gas temperature sensor 3, bank 1 - circuit malfunction

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

P · PowertrainEmissionsOBD2

What P242A means

P242A
Exhaust gas temperature sensor 3, bank 1 - circuit malfunction Generic · emissions Data confidence 78%

The control module detected improper operation of the Exhaust gas temperature sensor 3, bank 1 circuit.

Possible causes

  • Wiring
  • exhaust gas temperature sensor
  • ECM

Related and nearby codes

How to read P242A

P

Powertrain: engine, transmission and driveline systems.

2

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

42A

Specific fault index within the subsystem.

Frequently asked questions about P242A

What does P242A mean?

Exhaust gas temperature sensor 3, bank 1 - circuit malfunction. The control module detected improper operation of the Exhaust gas temperature sensor 3, bank 1 circuit.

Is P242A generic or manufacturer-specific?

P242A is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P242A 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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