EPAS3P_a120 — Pvt Ecu Stat Cnt Error
Full alert identifier: EPAS3P_a120_pvtEcuStatCntError
Alert description
The electric power assist steering (EPAS) internal private bus is receiving an unexpected status counter value, resulting in the chassis bus electric power assist steering (EPAS3S) Electronic Control Unit (ECU) to lose functionality.
Potential impact
The power steering function is operational, but steering assist will likely be reduced. A customer facing alert describing a reduced level of assist for power steering may be present. Autopilot may be disabled in some cases.
Set condition
The status counter does not increment as expected.
Clear condition
The status counter increments as expected.
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of EPAS3P_a120.