Code result
P0EA8
DC/DC Converter B Performance
High severity
What it means
The DC/DC converter B output performance is outside calibration. Output voltage tracking error or efficiency too low.
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
Switching FETs aged
highOne of the most commonly reported causes for this code — check this first.
Output capacitor ESR high
mediumA plausible cause — test and verify before replacing parts.
Related help
Get the full diagnosis
Add your vehicle and see step-by-step repair help, recalls, and TSBs in Wrenchify.
Diagnose P0EA8 freeNo credit card required