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P0598 Severity
Identifying an OBD code is just the start of a complete diagnostic routine. Most trouble codes are caused by a sensor reporting a value that is out of range. Just replacing a sensor may not fix underlying issues. Be sure to understand the code, the part or system in your car that the code refers to, and the risks of delaying professional repair.
Proper diagnosis will save you time and money on unnecessary repairs.
Urgent codes indicate immediate action is necessary. These are urgent and significant malfunctions that can cause severe damage to the vehicle or harm the driver and passengers.
Some newer engines utilize thermostats that are electronically controlled by the engine control module (PCM). If the PCM detects an incorrect signal from thermostat, the PCM will set code P0598.
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OBD-II Code Cooling fans may stay on all the time is defined as a Thermostat Heater Control Circuit Low
Some newer engines utilize thermostats that are electronically controlled by the engine control module (PCM). If the PCM detects an incorrect signal from thermostat, the PCM will set code P0598.