What is the cause of fault code P0597 in Dongfeng Peugeot vehicles?

1 Answers
JasonRose
07/30/25 1:48am
Dongfeng Peugeot vehicle fault code P0597 reason: Thermostat heater control circuit/open circuit. Below is relevant information about the P0597 fault code: 1. Solution: When the water temperature exceeds the set temperature, the thermostat opens, allowing coolant to circulate to the radiator, effectively improving cooling efficiency. This fault code indicates that the electronic control unit (ECU) has detected that the thermostat heater control circuit voltage exceeds the calibrated normal range. Simply reconnect any loose plugs or replace the heater fuse. 2. Precautions: When clearing fault codes, it is essential to follow the specified clearing method for the corresponding vehicle model. Never directly disconnect the negative battery cable just to clear the fault codes.
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