DIR_a234 — Pcs MIA

Full alert identifier: DIR_a234_pcsMIA

Alert description

The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects that the power conversion system (PCS) controller area network (CAN) node is missing (MIA).

Potential impact

The DI ECU is unable to monitor the state of the PCS.

Set condition

The DI ECU does not receive the expected CAN messages from the PCS.

Clear condition

The DI ECU receives the expected can messages from the PCS.

Signals to check

These diagnostic fields are associated with DIR_a234. Check the alert's Alert Log in Service Mode Plus for available values.

Signal	Unit
PCS Dcdc Status `DIR_a234_PCS_dcdcStatus`	—

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of DIR_a234.

DIR_a090 — Pm MIA DIR_a090_pmMIA The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects that the pedal monitor (PM) controller area network (CAN) node is missing (MIA).
DIR_a092 — Bms MIA DIR_a092_bmsMIA The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects that the high voltage (HV) battery management system (BMS) controller area network (CAN) node is missing (MIA).
DIR_a157 — Rcm MIA DIR_a157_rcmMIA The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects that the restraints control module (RCM) controller area network (CAN) node is missing (MIA).
DIR_a236 — Tas MIA DIR_a236_tasMIA The drive interface (DI) electronic control unit (ECU) detects that the Tesla air suspension (TAS) controller area network (CAN) node is missing (MIA).
DIR_a158 — Ibst MIA DIR_a158_ibstMIA The drive interface (DI) electronic control unit (ECU) detects that the iBooster (IBST, or brake assist) controller area network (CAN) node is missing (MIA).

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