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EPBL_a120 — DI DRIVE MIA

Full alert identifier: EPBL_a120_DI_DRIVE_MIA

Alert description

One or more of the messages the vehicle controller receives periodically from the drive interface (DI) electronic control unit (ECU) is not received while the vehicle is in Drive, indicating the DI ECU may be unavailable (MIA).

Potential impact

Vehicle speed and power may be limited.

Set condition

One or more of the expected messages from the DI ECU is not received while the vehicle is in Drive.

Clear condition

The vehicle controller starts receiving the expected messages from the DI ECU while the vehicle is in Drive, or the vehicle is no longer in Drive.

Signals to check

These diagnostic fields are associated with EPBL_a120. Check the alert's Payload in Service Mode Plus for available values.

Signal Unit
BDY Speed EPBL_a120_BDY_speed —
CH Chassis Cntl EPBL_a120_CH_chassisCntl —
CH Loc Status 2 EPBL_a120_CH_locStatus2 —
CH Speed EPBL_a120_CH_speed —
PARTY Aggregated Axle Speed EPBL_a120_PARTY_aggregatedAxleSpeed —
PARTY Autonomy Health EPBL_a120_PARTY_autonomyHealth —
PARTY Chassis Cntl EPBL_a120_PARTY_chassisCntl —
PARTY Loc Status EPBL_a120_PARTY_locStatus —
Show 25 more fields
Signal Unit
PARTY Loc Status 2 EPBL_a120_PARTY_locStatus2 —
PARTY Motor Status EPBL_a120_PARTY_motorStatus —
PARTY Prnd Control EPBL_a120_PARTY_prndControl —
PARTY Speed EPBL_a120_PARTY_speed —
PARTY Stalkless Interfaces EPBL_a120_PARTY_stalklessInterfaces —
PARTY Status EPBL_a120_PARTY_status —
PARTY System Status EPBL_a120_PARTY_systemStatus —
PARTY Torque EPBL_a120_PARTY_torque —
PARTY Vehicle Estimates EPBL_a120_PARTY_vehicleEstimates —
PT Speed EPBL_a120_PT_speed —
PT System Power EPBL_a120_PT_systemPower —
PT System Status EPBL_a120_PT_systemStatus —
VEH Aggregated Axle Speed EPBL_a120_VEH_aggregatedAxleSpeed —
VEH Autonomy Health EPBL_a120_VEH_autonomyHealth —
VEH Chassis Cntl EPBL_a120_VEH_chassisCntl —
VEH Estimated Brake Temp EPBL_a120_VEH_estimatedBrakeTemp —
VEH Loc Status EPBL_a120_VEH_locStatus —
VEH Loc Status 2 EPBL_a120_VEH_locStatus2 —
VEH Motor Status EPBL_a120_VEH_motorStatus —
VEH Prnd Control EPBL_a120_VEH_prndControl —
VEH Speed EPBL_a120_VEH_speed —
VEH System Power EPBL_a120_VEH_systemPower —
VEH System Status EPBL_a120_VEH_systemStatus —
VEH Torque EPBL_a120_VEH_torque —
VEH Vehicle Estimates EPBL_a120_VEH_vehicleEstimates —

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of EPBL_a120.

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