Code result
P0EA9
Auxiliary Cooling System Performance
High severity
What it means
The auxiliary cooling system performance is below calibration. Coolant flow or temperature drop insufficient under load.
Is it safe to drive?
No — stop driving
This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly.
Most likely causes
Aux pump output degraded
highOne of the most commonly reported causes for this code — check this first.
Radiator partially blocked
mediumA plausible cause — test and verify before replacing parts.
Related help
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