VCSEAT2R_a102 — PTC MIA

Full alert identifier: VCSEAT2R_a102_PTC_MIA

Alert description

One or more of the messages the vehicle controller receives periodically from the Positive Temperature Coefficient (PTC) heater electronic control unit (ECU) is not received, indicating the PTC heater ECU may be unavailable (MIA).

Potential impact

Thermal management system features depending on PTC heater functionality may be limited or unavailable.

Set condition

One or more of the expected messages from the PTC heater ECU is not received.

Clear condition

The vehicle controller starts receiving the expected messages from the PTC heater ECU.

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCSEAT2R_a102.

VCSEAT2R_a101 — PM MIA VCSEAT2R_a101_PM_MIA One or more of the messages the vehicle controller receives periodically from the Pedal Monitor (PM) electronic control unit (ECU) is not received, indicating the PM ECU may be unavailable (MIA).
VCSEAT2R_a106 — PCS MIA VCSEAT2R_a106_PCS_MIA One or more of the messages the vehicle controller receives periodically from the power conversion system (PCS) electronic control unit (ECU) is not received, indicating the PCS ECU may be unavailable (MIA).
VCSEAT2R_a110 — GTW MIA VCSEAT2R_a110_GTW_MIA One or more expected Controller Area Network (CAN) messages from the vehicle gateway (GTW) was not received. Vehicle functions that depend on CAN messages from the GTW may be unavailable, or their performance may be affected.
VCSEAT2R_a085 — CCCM MIA VCSEAT2R_a085_CCCM_MIA One or more of the messages the vehicle controller receives periodically from the Center Console Control Module (CCCM) electronic control unit (ECU) is not received, indicating the CCCM ECU may be unavailable (MIA).
VCSEAT2R_a099 — PARK MIA VCSEAT2R_a099_PARK_MIA One or more expected Controller Area Network (CAN) messages from the Park Assist (PARK) electronic control unit (ECU) was not received. Autopark and Summon functions may be unavailable, or their performance may be affected.

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