Posts Tagged: Chevrolet P0597

P0597 Code: What it means and how to fix it

Solving the P0597 Code Problem on GM vehicles The P0597 code is a diagnostic trouble code is defined as: “Thermostat Heater Control Circuit/Open.” This code is often triggered when the engine control module (ECM) detects an issue with the thermostat heater control circuit. Modern vehicles use an electronically controlled thermostat to manage the engine’s operating temperature, ensuring optimal performance and efficiency. When the ECM identifies a malfunction in this system, it activates the check engine light (CEL) and stores the P0597 code. What is an electric thermostat heater? The thermostat … Read More