APP_w394 — Ap Imu Gross Errors

Full alert identifier: APP_w394_apImuGrossErrors

Alert description

Autopilot IMU gross errors occured.

Potential impact

Degraded Autopilot features.

Set condition

Autopilot IMU Gyroscope & Accelerometer readings are grossly out of bounds.

Clear condition

Once Autopilot IMU readings are back to normal range.

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of APP_w394.

APP_w377 — Ap Imu Mia APP_w377_apImuMia Autopilot IMU readings stopped being received.
APP_w360 — Ap Imu Noise Detected APP_w360_apImuNoiseDetected The values provided by the gyroscope of the Autopilot internal inertial measurement unit (IMU) are above a certain threshold compared to the IMU from the Restraint Control Module (RCM).
APP_w381 — Ap Imu Timestamp Issue APP_w381_apImuTimestampIssue Discontinuity in Autopilot IMU timestamps.
APP_w303 — Imu Irational APP_w303_imuIrational The Autopilot electronic control unit (ECU) internal inertial measurement unit (IMU) is irrational compared to the IMU from the Electronic Stability Program (ESP) or Restraint Control Module (RCM). This may occur due to an internal conditi…
APP_w261 — PCIe Hardware Errors APP_w261_pcieHardwareErrors The Autopilot electronic control unit (ECU) has detected internal hardware errors via the PCIe bus (Peripheral Component Interconnect Express bus).

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