Code result
P0CA5
Hybrid/EV Battery Discharging Voltage High
High severity
What it means
The HV battery discharging voltage exceeds the expected window. Open circuit voltage too high 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
State of charge near full
highOne of the most commonly reported causes for this code — check this first.
Regen braking overshoot
mediumA plausible cause — test and verify before replacing parts.
Pack cell imbalance approaching service threshold
lowLess common, but worth ruling out after the more likely causes.
Related help
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