P0548 Exhaust Gas Temperature Sensor Circuit Low (Sensor 1, Bank 2)
P0548 - OBD-II Trouble Code Technical Description Trouble code P0548 indicates that the PCM has detected a problem with the exhaust gas temperature sensor circuit. What does trouble code P0548 mean? Trouble code P0548 indicates a problem with the exhaust gas temperature sensor. This sensor is designed to measure the temperature of the exhaust gases and transmit corresponding data to the engine control module (PCM). P0548 occurs when the PCM detects that the voltage from the exhaust gas temperature sensor is outside the specified limits. Possible Causes Some possible reasons for the P0548 trouble code: To pinpoint the cause of the P0548 trouble code, it is recommended to perform a diagnostic test that includes checking the EGT sensor, wiring, connectors, engine control module and other related...
P0543 Intake air heater “A” circuit open
P0543 – Technical Description of OBD-II Trouble Code P0543 indicates a problem with the intake air heater. This P0543 code indicates that the PCM has detected an abnormal input voltage on the intake air heater circuit. What does trouble code P0543 mean? Trouble code P0543 indicates a problem with the intake air heater. This code usually means that the engine control module (ECM or PCM) has detected an abnormal input voltage to the intake air heater circuit. This may be caused by an open in the heater circuit, a short circuit, or other problems with the heater's electrical system. Possible Causes Trouble code P0543 can be caused by various reasons: What are the symptoms of trouble code P0543? Symptoms for DTC P0543 may include the following: If you...