Thermostat Heater Control Circuit High Chevy Sonic

The ecm supplies 12 v to the thermostat.

Thermostat heater control circuit high chevy sonic.

If a pcm powertrain control module stores this code it s because the engine s thermostat is experiencing an issue with the control voltage. The control circuit is most likely either open or short. The p0599 code is stored when the pcm detects an abnormally high voltage reading from the thermostat heater unit. 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.

What the p0597 code means. What does that mean. 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.

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. Thermostat heater control circuit high. The codes p0597 p0598 and p0599 all refer to an electronically controlled engine thermostat.

This is a generic powertrain diagnostic trouble code dtc which means it covers all makes models 1996 newer. The p0597 trouble code signifies that a thermostat heater control circuit is open. What the p0599 code means.