P1620
Low Engine Coolant Circuit Conditions
P1620 is an OBD-II diagnostic trouble code meaning: Low Engine Coolant Circuit Conditions. Common causes: low coolant level, coolant level sensor malfunction. Estimated repair cost: $6–33.
Symptoms
- Check Engine Light Is On
- Low coolant warning on instrument panel
- Possible engine overheating
- Unstable engine temperature readings
- False alarms of the cooling system
Causes
- Low coolant level
- Coolant level sensor malfunction
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- Problems with the engine control unit
How to Fix
- Check the coolant level and add if necessary
- Inspect the coolant level sensor for damage
- Check the integrity of the wiring and connectors
- Test the coolant level sensor
- Check error codes in the engine control unit
Related codes
Error P1620 by Vehicle Brand
FAQ
What does the P1620 code mean?
P1620 is an OBD-II diagnostic trouble code that indicates: Low Engine Coolant Circuit Conditions
What causes a P1620 error code?
The most common causes of P1620 include: Low coolant level; Coolant level sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector.
How do I fix a P1620 diagnostic trouble code?
To fix P1620: Check the coolant level and add if necessary. Inspect the coolant level sensor for damage. Check the integrity of the wiring and connectors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1620?
Limited driving only, diagnose soon
How much does it cost to fix P1620?
The estimated repair cost for P1620 is $6–33. Actual cost depends on your vehicle, location, and labor rates.
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