DI_a178 — Steering Angle Offset Fault
Full alert identifier: DI_a178_steeringAngleOffsetFault
Message shown in the car
Steering alignment needs adjustment Service is required
Alert description
The drive interface (DI) electronic control unit (ECU) detects a steering angle offset that exceeds plausibility.
Potential impact
Stability control and traction control are unavailable, requiring greater manual input from the driver.
Set condition
The DI ECU detects that the steering angle offset exceeds the sensor plausibility monitor threshold, or there is an issue with the sensor plausibility monitor.
Clear condition
User has vehicle alignment performed at Service Center.
Signals to check
Open this alert in Service Mode Plus and review the Payload tab. Use the field names below to identify the values shown by your vehicle.
| Signal | Unit |
|---|---|
Offset Value
DI_
|
deg |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of DI_a178.