Thermostat Heater Control Circuit Open

The function of the thermostat is to control the flow of the coolant or temperature of the engine electronically part throttle improves fuel economy and reduces emissions.

Thermostat heater control circuit open.

The ecm controls the engine coolant thermostat heater by grounding the control circuit with a solid state device called a driver. The codes p0597 p0598 and p0599 all refer to an electronically controlled engine thermostat. An electronically controlled heater element is integrated into the engine coolant thermostat. This fault code is stored in the engine control module when the thermostat heater control circuit malfunctions.

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What the p0597 code means. The p0597 trouble code signifies that a thermostat heater control circuit is open. The ecm can determine if the control circuit is open shorted to ground or shorted to a voltage by monitoring the feedback voltage. Obd ii fault code p0597 is a generic code that is defined as thermostat heater control system circuit open and is set when the pcm powertrain control module detects an open circuit loss of continuity in the heater control circuit of an electrically assisted thermostat also known as a mapped thermostat.

The ecm controls the engine coolant thermostat heater by grounding the control circuit with a solid state device called a driver. The control circuit is most likely either open or short. This is a generic powertrain diagnostic trouble code dtc which means it covers all makes models 1996 newer. The ecm can determine if the control circuit is open shorted to ground or shorted to a voltage by monitoring the feedback voltage.

The driver is equipped with a feedback circuit that is pulled up to a voltage. The ecm controls the engine coolant thermostat heater by grounding the control circuit with a solid state device called a driver. The purpose of the heater element is to allow the conventional wax thermostat to open at a lower coolant temperature. However specific troubleshooting steps will vary depending on the vehicle.

The driver is equipped with a feedback circuit that is pulled up to a voltage.