Thermostat Heater Control Circuit High Chevy Spark

The control circuit is most likely either open or short.

Thermostat heater control circuit high chevy spark.

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

An electronically controlled thermostat is composed of multiple temperature and load sensors a computer program and a control housing with a built in thermostat. The engine coolant thermostat heater controls coolant flow and regulates the engine operating temperature. 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. P0598 engine coolant thermostat heater control circuit low voltage.

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. P0599 engine coolant thermostat heater control circuit high voltage. Remove the electrical. What does that mean.

The ecm supplies 12 v to the thermostat. Thermostat heater control circuit high. The p0599 code is stored when the pcm detects an abnormally high voltage reading from the thermostat heater unit. At the sma shop as he has a look at this chevrolet sonic that is throwing a code p0599 the.

However specific troubleshooting steps will vary depending on the vehicle. P0597 or p0598 can be set by a short to ground condition or an open or high resistance condition. The p0597 trouble code signifies that a thermostat heater control circuit is open. Let s come along with eric o.

This is a generic powertrain diagnostic trouble code dtc which means it covers all makes models 1996 newer. If a pcm powertrain control module stores this code it s because the engine s thermostat is experiencing an issue with the control voltage.