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APS_w281 — Rsa Mia

Full alert identifier: APS_w281_rsaMia

Alert description

One or more of the messages the Autopilot Processor Secondary (APS) receives periodically from the Rear Steering Actuator (RSA) Electronic Control Unit (ECU) is not received, indicating the RSA ECU may be unavailable (MIA).

Potential impact

Autopilot features will be unavailable.

Set condition

APS does not receive RSA messages for more than 10 messages.

Clear condition

APS starts receiving messages from RSA.

Signals to check

These diagnostic fields are associated with APS_w281. Check the alert's Alert Log in Service Mode Plus for available values.

Signal Unit
Rear Steer Status APS_sw281_rearSteerStatus —

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of APS_w281.

Browse all APS alert codes