Code result
P2CCF
Hybrid/EV Battery Pack J Deterioration
High severity
What it means
The BMS detects accelerated deterioration in battery pack subsection J. Cell voltage delta, internal resistance, or capacity has dropped below threshold for the affected sub-pack.
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
Cells aged beyond compensation
highOne of the most commonly reported causes for this code — check this first.
Thermal stress shortened cell life
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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