Hours: 07–23 daily

TuningBot DTC Database · v4.37.14

P0549 Exhaust Gas Temperature Sensor Circuit High - Bank 2 Sensor 1

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

P · PowertrainEmissionsOBD2

What P0549 means

P0549
Exhaust Gas Temperature Sensor Circuit High - Bank 2 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
  • exhaust gas temperature sensor
  • ECM

Related and nearby codes

How to read P0549

P

Powertrain: engine, transmission and driveline systems.

0

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

549

Specific fault index within the subsystem.

Frequently asked questions about P0549

What does P0549 mean?

Exhaust Gas Temperature Sensor Circuit High - Bank 2 Sensor 1. The control module detected that the signal in the Exhaust Gas Temperature circuit stayed above the expected operating range.

Is P0549 generic or manufacturer-specific?

P0549 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P0549 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

ECU tuningDyno-tested results by model and engine See the results →

← Search the full DTC database