EPBR_a129 — ICR MIA

Full alert identifier: EPBR_a129_ICR_MIA

Alert description

One or more expected controller area network (CAN) messages from the interior cabin radar (ICR) electronic control unit (ECU) was not received.

Potential impact

Intrusion alarm functionality may be missing.

Set condition

An expected CAN message from the ICR ECU has not been received within the expected timeout, or the CAN message drop rate is too high while the ICR is CAN active. The ICR ECU is considered CAN active when VCFRONT_vehGoToSleep is 0.

Clear condition

All expected CAN messages from the ICR ECU are being received or the ICR ECU is CAN inactive.

Signals to check

These diagnostic fields are associated with EPBR_a129. Check the alert's Payload in Service Mode Plus for available values.

Signal	Unit
VEH Occupancy `EPBR_a129_VEH_occupancy`	—

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of EPBR_a129.

EPBR_a098 — DIR MIA EPBR_a098_DIR_MIA One or more of the messages the vehicle controller receives periodically from the rear drive inverter (DIR) electronic control unit (ECU) is not received, indicating the DIR ECU may be unavailable (MIA).
EPBR_a103 — CP MIA EPBR_a103_CP_MIA One or more of the messages the vehicle controller receives periodically from the charge port (CP) electronic control unit (ECU) is not received, indicating the CP ECU may be unavailable (MIA).
EPBR_a106 — PCS MIA EPBR_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).
EPBR_a109 — RCM MIA EPBR_a109_RCM_MIA One or more of the messages the vehicle controller receives periodically from the Restraint Control Module (RCM) is not received, indicating the RCM may be unavailable (MIA).
EPBR_a075 — BCS2R MIA EPBR_a075_BCS2R_MIA One or more of the messages the vehicle controller receives periodically from the 2nd row right seat body controller (BCS2R) is not received, indicating the BCS2R may be unavailable (MIA).

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