EPBR_a131 — RCU MIA

Full alert identifier: EPBR_a131_RCU_MIA

Alert description

One or more of the messages the vehicle controller receives periodically from the Redundant Controller Unit (RCU) is not received, indicating the RCU may be unavailable (MIA).

Potential impact

Vehicle functions that depend on the RCU 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 RCU within the expected time frame.

Clear condition

The vehicle controller starts receiving the expected messages from the RCU.

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of EPBR_a131.

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_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_a129 — ICR MIA EPBR_a129_ICR_MIA One or more expected controller area network (CAN) messages from the interior cabin radar (ICR) electronic control unit (ECU) was not received.
EPBR_a085 — CCCM MIA EPBR_a085_CCCM_MIA One or more of the messages the vehicle controller receives periodically from the Center Console Control Module (CCCM) electronic control unit (ECU) is not received, indicating the CCCM ECU may be unavailable (MIA).

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