Code result
P0BBD
Hybrid Battery Voltage Sense Internal Module Performance
High severity
What it means
The BMS detects implausible cell module voltage readings during balancing or load test, indicating sense circuit drift or cell defect.
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
Defective cell in module
highOne of the most commonly reported causes for this code — check this first.
BMS sense circuit drift
mediumA plausible cause — test and verify before replacing parts.
Module software outdated, reflash may resolve
lowLess common, but worth ruling out after the more likely causes.
Related help
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