Webb16 sep. 2024 · When the thermostat’s signal does not show the correct voltage for a specific amount of time, the PCM will log a thermostat heater control circuit code. … Webb23 okt. 2015 · QUESTION: P0597 Thermostat Heater Control Open BMW 3-Series and 4-Series Forum (F30 / F32) F30POST Technical Forums > Mechanical Maintenance and TSBs: Break-in / Oil & Fluids / Servicing / TSBs and Service Bulletin > QUESTION: P0597 Thermostat Heater Control Open Post Reply Thread Tools Search this Thread Post Reply …
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WebbP0607 – Control Module Performance. P0600 – Serial Communication Link Malfunction. B1342 – Battery Disconnect Switch Circuit Open. U0401 – Implausible Data Received From ECM/PCM. Conclusion. In conclusion, the P0597 code is a diagnostic trouble code that refers to a problem with the thermostat heater control circuit. Webb6 apr. 2024 · The heater circuit is controlled by the engine ecu by pulse width modulation of the negative to the heater. In other words switched on and off at a varied rate. The ecu also monitors the feed back voltage and a common failure is voltage leaking to ground. Element continuity maybe ok in this case. Was your replacement a vx or oem thermostat? convert nmbtemplate to excel
P0597 Engine Coolant Thermostat Heater Control Circuit? (Solved)
Webb3 nov. 2024 · Thermostat heater control voltage is constantly monitored by the PCM during engine operation. If the PCM detects a degree of thermostat heater control voltage that exceeds the maximum threshold, … Webb28 apr. 2024 · The engine coolant thermostat heater controls coolant flow and regulates the engine operating temperature. The ECM supplies 12 V to the thermostat. The ECM … falmouth hotel spa breaks