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TuningBot DTC Database · v4.37.15

P0546 Exhaust Gas Temperature Sensor Circuit High Bank 1 Sensor 1

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

P · PowertrainEmissionsOBD2

What P0546 means

P0546
Exhaust Gas Temperature Sensor Circuit High Bank 1 Sensor 1 Generic · emissions Data confidence 90%

The control module detected that the signal in the Exhaust Gas Temperature circuit stayed above the expected operating range.

Possible causes

  • Wiring short to positive
  • EGRT sensor
  • ECM

Related and nearby codes

How to read P0546

P

Powertrain: engine, transmission and driveline systems.

0

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

546

Specific fault index within the subsystem.

Frequently asked questions about P0546

What does P0546 mean?

Exhaust Gas Temperature Sensor Circuit High Bank 1 Sensor 1. The control module detected that the signal in the Exhaust Gas Temperature circuit stayed above the expected operating range.

Is P0546 generic or manufacturer-specific?

P0546 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P0546 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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