Fault Code P0596
Code meaning, symptoms, possible causes, part number, and estimated cost.
P0596
Heated Thermostat Heater Control Circuit High
Code P0596 indicates a higher than normal voltage in the control circuit for the heated thermostat's heater. This condition may impair the engine's ability to regulate temperature efficiently.
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 overheating
- Unstable temperature gauge
- Increased fuel consumption
- Check Engine Light on
Possible Causes
- 1Short to power in the circuit
- 2Faulty heated thermostat
- 3Bad electrical connector
- 4Engine Control Unit (ECU) fault (rare)
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