Skip to content

VCSEC_a112 — EPBL MIA

Full alert identifier: VCSEC_a112_EPBL_MIA

Alert description

One or more of the messages the vehicle controller receives periodically from the left Electronic Park Brake (EPBL) electronic control unit (ECU) is not received, indicating the EPBL ECU may be unavailable (MIA).

Potential impact

The parking brake 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 the EPBL ECU within the expected time frame.

Clear condition

The vehicle controller starts receiving the expected messages from the EPBL ECU.

Signals to check

These diagnostic fields are associated with VCSEC_a112. Check the alert's Alert Log in Service Mode Plus for available values.

Signal Unit
CH Status VCSEC_a112_CH_status —
LIPC LV Power State VCSEC_a112_LIPC_LVPowerState —
LIPC Epb Private State VCSEC_a112_LIPC_epbPrivateState —
LIPC Rail Status VCSEC_a112_LIPC_railStatus —
LIPC Remote ADC VCSEC_a112_LIPC_remoteADC —
LIPC Switch Status VCSEC_a112_LIPC_switchStatus —
PARTY Status VCSEC_a112_PARTY_status —
VEH LV Power State VCSEC_a112_VEH_LVPowerState —
Show 3 more fields
Signal Unit
VEH Internal Status VCSEC_a112_VEH_internalStatus —
VEH Status VCSEC_a112_VEH_status —
VEH Veh Nm VCSEC_a112_VEH_vehNm —

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCSEC_a112.

Browse all VCSEC alert codes