ESP_a178 — IBST Output Rod Act Invalid
Full alert identifier: ESP_a178_IBSTOutputRodActInvalid
Alert description
The Electronic Stability Program (ESP) electronic control unit (ECU) is receiving invalid messages from the iBooster (IBST) ECU on the Party controller area network (CAN) bus.
Potential impact
Brake boost functionality may be limited or unavailable. Hydraulic Brake Compensation (HBC) may be activated.
Set condition
The ESP ECU receives invalid messages from the IBST ECU on the Party CAN bus.
Clear condition
The ESP ECU begins receiving valid messages from the IBST ECU on the Party CAN bus.
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of ESP_a178.