All agents operational
Engineering Change Loop

Field → root cause → change → verified

Changes written back to PLM and MES · every change traces to originating field or warranty signal · rollback ready on every commit

Engineering-Change Agent2 awaiting engineering approval

The closed loop

Every change closes back to a verified drop in recurrence

Field / warranty claim
Warranty & Field Agent
Confirmed root cause
Root-Cause Agent
Engineering change
Engineering-Change Agent → PLM
Verified effectiveness
Predictive Quality + Governance
Loop closes back into monitored field signals — a change that fails verification is auto-reopened.
Change requests · 90d
34
every one linked to a case
Committed to PLM
24
written back, cut-in scheduled
Closed & verified
18
effectiveness signed off
Rollback ready
100%
prior rev retained for all 34

Change requests

Trace from originating claims through confirmed root cause to change

  • CR-8821EV-2BMS 3.1.7 · sleep-mode current threshold + wake-timeoutAwaiting K. Menon · Chief Engg (EV)
    Field signal
    214 warranty claims · BAT-DRAIN-12V · EV-2
    Confirmed root cause
    BMS wake-latch asserted 4.2× spec at Voltar interconnect tail-current
    Change
    Firmware 3.1.7 + PLM part-rev 04 on HV pack interconnect
    Rollback
    Snapshot BMS 3.1.6 · pack-rev 03 · 1-click revert armed
    Submitted 12m ago·Owner: Engineering-Change Agent → K. Menon · Chief Engg (EV)
    CQ-2044
  • CR-8817EV-2Kiron IVI KE-7789 · watchdog re-init on CAN lossAwaiting R. Sen · IVI Engg Lead
    Field signal
    74 claims · IVI-RB-RAND · EV-2
    Confirmed root cause
    IVI stack blocks on stale CAN frame during ignition transient
    Change
    Kiron FW 2.14 · CAN-guard re-init · MES cut-in W28
    Rollback
    Snapshot IVI 2.13 · 1-click revert armed
    Submitted 3h ago·Owner: Engineering-Change Agent → R. Sen · IVI Engg Lead
    CQ-2025
  • CR-8809PV-5Door-seal profile revision · NovaSeal drawing-rev CCommitted to PLM
    Field signal
    61 claims · SEAL-INGRESS · PV-5
    Confirmed root cause
    Seal shore-A out-of-window on NS-4471 tooling insert
    Change
    Seal profile rev-C · supplier tooling change · PPAP re-run
    Rollback
    Prior rev-B tooling insert retained in Sanand cold-store
    Submitted 2d ago·Owner: Engineering-Change Agent → P. Nair · SQA
    CQ-2031
  • CR-8802PV-5Booth A humidity dwell interlock + closed-loop trimVerifying effectiveness
    Field signal
    44 claims · PAINT-OP-CLR · PV-5
    Confirmed root cause
    Humidity drift on Sanand Booth A exceeds clearcoat window
    Change
    Booth PLC rev 2.8 · humidity interlock at 55%RH
    Rollback
    PLC 2.7 image retained on booth controller
    Submitted 5d ago·Owner: Engineering-Change Agent → S. Rao · Paint Ops
    CQ-2038
  • CR-8790LCV-7LCV-7 brake break-in torque bump · rev DClosed · verified
    Field signal
    33 claims · BRK-SQL-FR · LCV-7
    Confirmed root cause
    Insufficient break-in torque + humidity on Chennai L4
    Change
    Torque spec 24→28 Nm · rev D · MES cut-in W20
    Rollback
    Rev C retained · effectiveness verified, no recurrence
    Submitted 3w ago·Owner: Engineering-Change Agent → V. Menon · Chassis
    CQ-2029