P2559
Engine Coolant Level Sensor/Switch Circuit High
P2559 is an OBD-II diagnostic trouble code meaning: Engine Coolant Level Sensor/Switch Circuit High. Common causes: coolant level sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $13–50.
Symptoms
- False low coolant warning
- Unstable coolant level readings on the dashboard
- Check Engine Light Is On
- Possible problems with engine warming up
Causes
- Coolant level sensor malfunction
- Open or short circuit in the sensor circuit
- Poor contact in sensor connectors
- Sensor contact corrosion
- Problems with the engine control unit (rare)
How to Fix
- Check the coolant level visually
- Inspect the sensor wiring and connectors for damage
- Check the sensor resistance with a multimeter
- Replace the coolant level sensor if necessary
- Clean connector contacts from corrosion
Related codes
Error P2559 by Vehicle Brand
FAQ
What does the P2559 code mean?
P2559 is an OBD-II diagnostic trouble code that indicates: Engine Coolant Level Sensor/Switch Circuit High
What causes a P2559 error code?
The most common causes of P2559 include: Coolant level sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in sensor connectors; Sensor contact corrosion.
How do I fix a P2559 diagnostic trouble code?
To fix P2559: Check the coolant level visually. Inspect the sensor wiring and connectors for damage. Check the sensor resistance with a multimeter. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2559?
Limited driving only, diagnose soon
How much does it cost to fix P2559?
The estimated repair cost for P2559 is $13–50. Actual cost depends on your vehicle, location, and labor rates.
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