EPBR_a172 — SPI MIA
Full alert identifier: EPBR_a172_SPI_MIA
Message shown in the car
Parking brake functions degraded Parking brake may not apply or release
Alert description
The communication link between Electronic Parking Brake (EPB) and Electronic Parking Brake Monitor (EPBM) is not functioning as expected.
Potential impact
Electronic Parking Brake will not apply or release.
Set condition
Either the Cyclic Redundancy Check (CRC) check has not completed as expected, or a message has not been received for 100ms. Alert disabled during over-the-air (OTA) firmware updates.
Clear condition
Communication between Electronic Parking Brake Monitor (EPBM) and Electronic Parking Brake (EPB) has resumed.
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of EPBR_a172.