STO_a106_mcuRomFail

Steering Torque Overlay (STO) assist halted due to microcontroller ROM startup failure.

 Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

None displayed

Impact

Steering Assist reduced

Description

Steering Torque Overlay (STO) assist halted due to microcontroller ROM startup failure.

Cause

Internal: microcontroller ROM failure twice on startup

Clear condition

System Reset

Models

Semitruck

Visibility

service

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