Powertrain
Definition only
Lights the check engine lamp
P2EA8: DC/AC Converter A Input Voltage Too High
Standardized SAE J2012 code · P2Exx codes
What does P2EA8 mean?
The DC/AC converter A reports a "input voltage too high" condition. AC output for vehicle 12V loads is impaired.
The code tells you which monitor failed, not which part is broken. Test before replacing parts.
Common causes
- High Upstream regulator overvoltage
- Medium Wire shorted to higher rail
Likelihood is a general estimate across vehicles; your make and model may differ.
Add your car to see reports of P2EA8 on the same make and model first.
P2EA8 in the community
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