VCLEFT_a476 — LVBMS MIA

Full alert identifier: VCLEFT_a476_LVBMSMIA

Alert description

One or more of the messages the vehicle controller receives periodically from the Low Voltage Battery Management System (LVBMS) is not received, indicating the LVBMS may be unavailable (MIA).

Potential impact

Vehicle functions that depend on the low voltage battery controllers may be unavailable or may not function as expected.

Set condition

The vehicle controller does not receive one or more of the expected messages from LVBMS within the expected time frame over the local interconnect network (LIN).

Clear condition

The vehicle controller starts receiving the expected messages from LVBMS over LIN.

Signals to check

These diagnostic fields are associated with VCLEFT_a476. Check the alert's Alert Log in Service Mode Plus for available values.

Signal	Unit
ECPA State `VCLEFT_a476_ECPAState` 0 OPEN 1 CLOSED 2 INVALID 3 SNA	—
FRM 10 Timed Out `VCLEFT_a476_FRM10_timedOut`	—
FRM 11 Timed Out `VCLEFT_a476_FRM11_timedOut`	—
FRM 12 Timed Out `VCLEFT_a476_FRM12_timedOut`	—
FRM 1 Timed Out `VCLEFT_a476_FRM1_timedOut`	—
FRM 2 Timed Out `VCLEFT_a476_FRM2_timedOut`	—
FRM 3 Timed Out `VCLEFT_a476_FRM3_timedOut`	—
FRM 4 Timed Out `VCLEFT_a476_FRM4_timedOut`	—

Show 11 more fields

Signal	Unit
FRM 5 Timed Out `VCLEFT_a476_FRM5_timedOut`	—
FRM 6 Timed Out `VCLEFT_a476_FRM6_timedOut`	—
FRM 7 Timed Out `VCLEFT_a476_FRM7_timedOut`	—
FRM 8 Timed Out `VCLEFT_a476_FRM8_timedOut`	—
FRM 9 Timed Out `VCLEFT_a476_FRM9_timedOut`	—
Battery SM State `VCLEFT_a476_batterySMState` 0 INIT 1 CHARGE 2 DISCHARGE 3 STANDBY 8 FAULT	—
Factory Mode `VCLEFT_a476_factoryMode`	—
Frunk Open `VCLEFT_a476_frunkOpen`	—
Service Mode `VCLEFT_a476_serviceMode`	—
Transport Mode `VCLEFT_a476_transportMode`	—
Vehicle Power State `VCLEFT_a476_vehiclePowerState` 0 OFF 1 CONDITIONING 2 ACCESSORY 3 DRIVE	—

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCLEFT_a476.