VCSEAT2L_a089 — IBST MIA

Full alert identifier: VCSEAT2L_a089_IBST_MIA

Alert description

One or more of the expected CAN messages from iBooster were not received.

Potential impact

Brake boost functionality may be missing.

Set condition

A message the local ECU expects to receive from the iBooster ECU has not been received within the expected timeout or the drop rate is too high while the iBooster is CAN active.

Clear condition

All messages the local ECU expects to receive from the iBooster ECU are being received or the iBooster ECU is CAN inactive.

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCSEAT2L_a089.

VCSEAT2L_a090 — APS MIA VCSEAT2L_a090_APS_MIA One or more of the expected CAN messages from APS were not received.
VCSEAT2L_a104 — DAS MIA VCSEAT2L_a104_DAS_MIA One or more of the expected CAN messages from DAS were not received.
VCSEAT2L_a105 — TAS MIA VCSEAT2L_a105_TAS_MIA One or more of the messages the vehicle controller receives periodically from the Tesla Air Suspension (TAS) electronic control unit (ECU) is not received, indicating the TAS ECU may be unavailable (MIA).
VCSEAT2L_a106 — PCS MIA VCSEAT2L_a106_PCS_MIA One or more of the messages the vehicle controller receives periodically from the power conversion system (PCS) electronic control unit (ECU) is not received, indicating the PCS ECU may be unavailable (MIA).
VCSEAT2L_a107 — BMS MIA VCSEAT2L_a107_BMS_MIA One or more of the messages the vehicle controller receives periodically from the high voltage (HV) Battery Management System (BMS) electronic control unit (ECU) is not received, indicating the BMS ECU may be unavailable (MIA).

Browse all VCSEAT2L alert codes