Skip to content

ESP_a156 — Ay Init Fault

Full alert identifier: ESP_a156_ayInitFault

Alert description

Invalid Data Received From Air Bag Control Module : Invalid Ay Signal Status

Potential impact

May fault VDC/TC, ABS performance degradation

Set condition

Inertial signal failed plausibility/integrity checks

Clear condition

Inertial messages are present/valid on the bus. Review RCM/DI alerts for other indicators of failure

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of ESP_a156.

Browse all ESP alert codes