THC_w0114 — Coolant Heater Open Short
Full alert identifier: THC_w0114_coolantHeaterOpenShort
Alert description
The thermal controller (THC) has detected via a DCDC converter signal that the battery heater circuit is open or shorted or there is a battery heater hardline fault.
Potential impact
The battery heater will be unable to regulate temperature. Charging may not operate as expected.
Set condition
The DCDC converter signals that the battery heater circuit is open or shorted or there is a battery heater hardline fault.
Clear condition
The DCDC converter no longer detects the battery heater circuit is open or shorted or there is a battery heater hardline fault.
Signals to check
These diagnostic fields are associated with THC_w0114. Check the alert's Payload in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Battery Heater Temp
THC_
|
— |
Line Number In Code
THC_
|
— |
Rad Byp Valve Pos
THC_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of THC_w0114.