Powertrain
generic / SAE
P0EA9
Auxiliary Cooling System Performance
The auxiliary cooling system performance is below calibration. Coolant flow or temperature drop insufficient under load.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / numberE / A9
Possible causes
- Aux pump output degraded high
- Radiator partially blocked medium
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 200–1500 €
- Estimated time: 1–6 h
- Component: aux cooling pump
- Component: aux cooling radiator
- Component: aux cooling fan
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012