VCRIGHT_a278 — Hvac Ptc Heating Unavailable
Full alert identifier: VCRIGHT_a278_hvacPtcHeatingUnavailable
Message shown in the car
Cabin heating currently unavailable
Alert description
Cabin heating is unavailable. Check context data for this alert and/or VCRIGHT_a262 to determine exact issue
Potential impact
Cabin heating will not function.
Set condition
PTC heater is not reporting on CAN, or is receiving low voltage from the HV battery
Clear condition
PTC heater is on CAN, and is receiving the correct voltage from the HV battery
Signals to check
These diagnostic fields are associated with VCRIGHT_a278. Check the alert's Payload in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
HV Low
VCRIGHT_
|
— |
Ptcmia
VCRIGHT_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCRIGHT_a278.