DI_a231 — Ptc MIA

Full alert identifier: DI_a231_ptcMIA

Historical alert: retained from an earlier reference.

Alert description

The drive interface (DI) electronic control unit (ECU) detects that the positive temperature coefficient (PTC) heater controller area network (CAN) node is missing (MIA).

Potential impact

The DI ECU is unable to determine the state of the PTC heater.

Set condition

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

Clear condition

The DI ECU receives the expected can messages from the PTC heater.

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of DI_a231.

DI_a140 — Ptc MIA DI_a140_ptcMIA The drive interface (DI) electronic control unit (ECU) detects that the positive temperature coefficient (PTC) heater controller area network (CAN) node is missing (MIA).
DI_a042 — Pmf MIA DI_a042_pmfMIA The drive interface (DI) electronic control unit (ECU) detects that the front propulsion monitor (PMF) controller area network (CAN) node is missing (MIA).
DI_a043 — Pmr MIA DI_a043_pmrMIA The drive interface (DI) electronic control unit (ECU) detects that the rear propulsion monitor (PMR) controller area network (CAN) node is missing (MIA).
DI_a087 — Gtw MIA DI_a087_gtwMIA The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) detects that the gateway (GTW) controller area network (CAN) node is missing (MIA).
DI_a090 — Pm MIA DI_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).

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