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Home >> Ford >> 2012 >> Mustang Base, 2D Coupe, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 7 (Engine Controls - Powertrain DTC Charts & Descriptions (Diesel)) >> Diagnostic Trouble Code (DTC) Charts and Descriptions >> P0546 - Exhaust Gas Temperature Sensor Circuit High - Bank 1 Sensor 1

P0546 - Exhaust Gas Temperature Sensor Circuit High - Bank 1 Sensor 1

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P0546 - EXHAUST GAS TEMPERATURE SENSOR CIRCUIT HIGH - BANK 1 SENSOR 1

Description:  The powertrain control module (PCM) monitors the exhaust gas temperature (EGT) sensor for a high voltage concern. The test fails when the sensor voltage is greater than 4.90 volts for more than 15 seconds.
Possible Causes: 
  • EGT11 signal circuit open or short to voltage
  • Damaged EGT11 sensor
Diagnostic Aids:  An EGT11_V PID value greater than 4.90 volts indicates a concern.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST RC .