P0544

2017-10-10

Description:

  • The fault code P0544 indicates that there is a high voltage reading in the circuit for the exhaust gas temperature sensor of bank 1, sensor 1. This may cause issues with emissions and the overall performance of the engine.

Possible Symptoms:

  • Illuminated check engine light

  • Poor engine performance

  • Issues with emissions

  • Reduced fuel economy.

Possible Causes:

  • Failed exhaust gas temperature sensor

  • Short circuit in the sensor wiring

  • Failed engine control module (ECM)

  • Corroded or loose electrical connections in the circuit

Related Parts:

  • Exhaust Gas Temperature Sensor: Exhaust gas temperature sensor monitors the temperature of the exhaust gases. This car's malfunctioning valve will lead to higher emissions & lower performance

Possible Solutions:

  • Replace the exhaust gas temperature sensor

  • Check and repair any damaged or shorted wiring in the circuit

  • Clean or tighten any corroded or loose electrical connections in the circuit

  • Replace the engine control module (ECM) if necessary

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