Alert Details

GTW_w075_epas3sMIA

Description

The vehicle gateway (GTW) has not received an expected system status message from the secondary Electronic Power-Assisted Steering (EPAS3S) electronic control unit (ECU) via the controller area network (CAN) within the required time period, indicating the EPAS3S ECU may be unavailable and power steering may be limited or unavailable.

Condition

The GTW does not receive the system status CAN message from EPAS3S ECU during 5 consecutive message cycles (for 50ms) while the vehicle is in Drive.

Clear Condition

The GTW receives the system status CAN message from EPAS3S ECU as expected. Clears automatically when the vehicle exits Drive, and may be resolved completely (does not set again) when starting the next drive cycle.

Potential Impact

Power steering and Autopilot features depending on EPAS3S, including Autosteer, may be limited or unavailable.

Customer Facing Message 1

Steering assist reduced

Customer Facing Message 2

Steering may require increased effort

Audiences

customer;service-fix

Models

Cybertruck;Model 3 2017-2023;Model 3 2024+;Model S 2021+;Model X 2021+;Model Y;Model Y 2025+;Semitruck