Tesla Model 3 alerts codes

ESP_a177 / ESP_a177_IBSTOutputRodDrvInvalid

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.

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