If the pcm detects an incorrect signal from thermostat the pcm will set code p0597.
Thermostat heater control circuit open bmw cost.
What the p0597 code means.
Most auto repairs shops charge between 75 and 150 per hour.
However specific troubleshooting steps will vary depending on the vehicle.
The driver is equipped with a feedback circuit that is pulled up to a voltage.
Cooling fans may stay on all the time.
The control circuit is most likely either open or short.
How to repair p0597 bmw code thermostat heater control circuit open.
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.
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.
The auto repair labor rates vary widely across the country and even within the same city.
What does that mean.
The p0597 trouble code signifies that a thermostat heater control circuit is open.
Some newer engines utilize thermostats that are electronically controlled by the engine control module pcm.
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.
The cost to diagnose the p0597 bmw code is 1 0 hour of labor.
The ecm can determine if the control circuit is open shorted to ground or shorted to a voltage by monitoring the feedback voltage.