Thermostat Heater Control Circuit High Chevy Spark

If a pcm powertrain control module stores this code it s because the engine s thermostat is experiencing an issue with the control voltage.

Thermostat heater control circuit high chevy spark.

P0599 engine coolant thermostat heater control circuit high voltage. What does that mean. What the p0597 code means. The p0597 trouble code signifies that a thermostat heater control circuit is open.

The engine coolant thermostat heater controls coolant flow and regulates the engine operating temperature. The ecm supplies 12 v to the thermostat. The driver is equipped with a feedback circuit that is pulled up to. This is a generic powertrain diagnostic trouble code dtc which means it covers all makes models 1996 newer.

However specific troubleshooting steps will vary depending on the vehicle. My chevy cruze 2012 ls is showing p 2096 post catalyst fuel trim system low limit and p0597 engine coolant thermostat heater control circuit the vehicle perform as normal this was appeared when i had a coolant leakage problem and i replace one pipe. The control circuit is most likely either open or short. Remove the electrical.

The thermostat heater unit requires inputs from a variety of temperature sensors and engine sensors in order to adjust engine coolant flow and achieve optimal engine temperature. P0597 or p0598 can be set by a short to ground condition or an open or high resistance condition. The codes p0597 p0598 and p0599 all refer to an electronically controlled engine thermostat. At the sma shop as he has a look at this chevrolet sonic that is throwing a code p0599 the.

An electronically controlled thermostat is composed of multiple temperature and load sensors a computer program and a control housing with a built in thermostat. P0559 can also be set by a short to voltage condition. The ecm controls the engine coolant thermostat heater by grounding the control circuit with a solid state device called a driver. 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.

What the p0599 code means. The p0599 code is stored when the pcm detects an abnormally high voltage reading from the thermostat heater unit.