P2560
Engine Coolant Level Low
The coolant level monitor reports the engine coolant below the safe minimum after sensor checks pass. Continued operation risks overheating, head warping and head-gasket failure. The driver is warned and the ECM may reduce engine power until the level is restored.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: medium
Common causes
Ordered by how often each turns out to be the cause.
- External coolant leak (hose, radiator, water pump)Common
- Missed top-up since last servicePossible
- Head gasket leaking coolant into combustionLess likely
Parts involved
- Cooling System
- Coolant
P2560 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.