What are the common causes of P2560?

A coolant leak from a hose, radiator, or water pump. A low coolant level in the reservoir. A failed engine coolant level sensor. Coolant loss through an internal engine leak.

Check the coolant level in the reservoir. Pressure test the cooling system for leaks. Inspect hoses, radiator, and water pump for coolant residue. Read the engine coolant level sensor on a scan tool. Replace the engine coolant level sensor if the level and system test good. Clear the code and retest.

P2560

Engine Coolant Level Low

System: Speed and idle control (P code)
Lamp: Check Engine Light
Category: Powertrain - Computer and Auxiliary Controls

What it means

P2560 means Engine Coolant Level Low.

Check these first

A coolant leak from a hose, radiator, or water pump
A low coolant level in the reservoir
A failed engine coolant level sensor
Coolant loss through an internal engine leak

What to do next

Check the coolant level in the reservoir
Pressure test the cooling system for leaks
Inspect hoses, radiator, and water pump for coolant residue
Read the engine coolant level sensor on a scan tool
Replace the engine coolant level sensor if the level and system test good
Clear the code and retest

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Updated

Generic SAE J2012 definition. Last updated 2026-10-10.