Rising high-voltage battery drain on EV-2 platform

Program · EV-2Plant · Pune Plant · Line 5Supplier · Voltar CellsComponent · High-voltage battery moduleActive · agents working

Time to root cause

3 days

vs 7-week industry baseline

Closed-loop stages

Field claim → Data fusion → RCA → CAPA → Engineering change → Closed

Agent roster

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Streaming cards as agents work · click evidence to open the underlying record

streaming

Waiting on the fleet …

Human-in-the-loop dial · applies for the remainder of this run

policy signed by Governance Agent

Detection

Agent-driven anomaly and cluster detection

Diagnosis

RCA hypothesis ranking and confirmation

Open internal CAPA

Draft and open corrective actions

Issue supplier notice

External communication to suppliers

Engineering change write-back

Write change request to PLM

Ranked hypotheses · confidence rises as evidence accrues

Sleep-state calibration in firmware v3.2 leaves auxiliary rails partially active for ~40 min after keyoff, interacting with the elevated self-discharge characteristic of Voltar Cells lot VC-2231 to produce parasitic drain visible 4–9 months in service.

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T+0s

22s