If a pcm powertrain control module stores this code it s because the engine s thermostat is experiencing an issue with the control voltage.
Thermostat heater control circuit open chevy spark.
The p0597 trouble code signifies that a thermostat heater control circuit is open.
P0598 engine coolant thermostat heater control circuit low voltage.
This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation.
Remove the electrical.
This is a generic powertrain diagnostic trouble code dtc which means it covers all makes models 1996 newer.
The codes p0597 p0598 and p0599 all refer to an electronically controlled engine thermostat.
P0597 or p0598 can be set by a short to ground condition or an open or high resistance condition.
The ecm controls the engine coolant thermostat heater by grounding the control circuit with a solid state device called a driver.
The control circuit is most likely either open or short.
The ecm can determine if the control circuit is open shorted to ground or shorted to a voltage by monitoring the feedback voltage.
However specific troubleshooting steps will vary depending on the vehicle.
Thermostat heater control circuit open.
The driver is equipped with a feedback circuit that is pulled up to a voltage.
The ecm controls the engine coolant thermostat heater by grounding the control circuit with a solid state device called a driver.
What does that mean.
What the p0597 code means.
The ecm controls the engine coolant thermostat heater by grounding the control circuit with a solid state device called a driver.
The driver is equipped with a feedback circuit that is pulled up to a voltage.
P0599 is a diagnostic trouble code dtc for thermostat heater control circuit high.
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