At the sma shop as he has a look at this chevrolet sonic that is throwing a code p0599 the.
Thermostat heater control circuit high chevy spark.
The p0599 code is stored when the pcm detects an abnormally high voltage reading from the thermostat heater unit.
The engine coolant thermostat heater controls coolant flow and regulates the engine operating temperature.
Let s come along with eric o.
The ecm controls the engine coolant thermostat heater by grounding the control circuit with a solid state device called a driver.
P0598 engine coolant thermostat heater control circuit low voltage.
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 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 does that mean.
If a pcm powertrain control module stores this code it s because the engine s thermostat is experiencing an issue with the control voltage.
What the p0597 code means.
Remove the electrical.
The codes p0597 p0598 and p0599 all refer to an electronically controlled engine thermostat.
P0559 can also be set by a short to voltage condition.
This is a generic powertrain diagnostic trouble code dtc which means it covers all makes models 1996 newer.
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.
Thermostat heater control circuit high.
The ecm supplies 12 v to the thermostat.
The driver is equipped with a feedback circuit that is pulled up to.
The p0597 trouble code signifies that a thermostat heater control circuit is open.
However specific troubleshooting steps will vary depending on the vehicle.
The control circuit is most likely either open or short.