Fault Code P0598
Code meaning, symptoms, possible causes, part number, and estimated cost.
P0598
Heated Thermostat Heater Control Circuit Low
Code P0598 indicates low voltage in the control circuit for the thermostat heater. This prevents the thermostat from functioning correctly and regulating engine temperature.
Part Details
Part Name
Heated Thermostat
Reference P/N (OEM)
N/A
General part number for this fault code — not necessarily for your specific vehicle
Estimated Cost
₪250 - ₪800
Engine Location
Engine compartment
Symptoms
- Engine warms up very slowly
- Engine does not reach optimal operating temperature
- Increased fuel consumption
- Check Engine Light on
Possible Causes
- 1Faulty heated thermostat
- 2Open or shorted to ground wiring
- 3Bad electrical connector
- 4Blown fuse or faulty relay
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