Thermostat Heater Control Circuit Open Bmw Cost

The ecm controls the engine coolant thermostat heater by grounding the control circuit with a solid state device called a driver.

Thermostat heater control circuit open bmw cost.

The codes p0597 p0598 and p0599 all refer to an electronically controlled engine thermostat. Cooling fans may stay on all the time. Obd ii code p0597 is defined as a thermostat heater control circuit open. The ecm can determine if the control circuit is open shorted to ground or shorted to a voltage by monitoring the feedback 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. How to repair p0597 bmw code thermostat heater control circuit open. What does that mean. The cost to diagnose the p0597 bmw code is 1 0 hour of labor.

However specific troubleshooting steps will vary depending on the vehicle. The auto repair labor rates vary widely across the country and even within the same city. What the p0597 code means. If the pcm detects an incorrect signal from thermostat the pcm will set code p0597.

The p0597 trouble code signifies that a thermostat heater control circuit is open. The control circuit is most likely either open or short. Thermostat heater control circuit open. Most auto repairs shops charge between 75 and 150 per hour.

Some newer engines utilize thermostats that are electronically controlled by the engine control module pcm. The driver is equipped with a feedback circuit that is pulled up to a voltage.