TESLA Warning

THC-W0238

THC_w0238_PTC_RtCoreTempSensor

Also written as THC_W0238 / THC W0238 / THC_w0238_PTC_RtCoreTempSensor / thc_w0238_ptc_rtcoretempsensor

System
THC
THC
Type
Warning
Category
Network
Severity
Warning

Why does the exact Tesla alert ID matter?

Record the exact alert ID, including underscores, suffixes, and companion alerts. Tesla alerts that look similar can point to different modules, timestamps, and service procedures.

What does THC-W0238 mean?

Tesla warning code in the THC (THC) module. This alert indicates the high voltage cabin heater has an internal temperature sensor problem.

Original Description

This alert indicates the high voltage cabin heater has an internal temperature sensor problem.

Affected Tesla Models

Model SModel XModel 3Model Y

What You May Notice

  • THC alert: This alert indicates the high voltage cabin heater has an internal temperature sensor problem.
  • Touchscreen may show an error for one or more apps or settings
  • Feature may restore itself after a reboot

How to Diagnose and Resolve

  1. 1 Perform a soft reboot (hold both scroll wheels for ~10 seconds)
  2. 2 Check for pending OTA software updates
  3. 3 If the issue persists, schedule a service appointment

Severity Notes

THC-W0238 is a Warning in the THC system. Schedule service soon. Monitor your vehicle for additional warnings.

Other THC Codes

THC_d0004 Tesla diagnostic code in the THC (THC) module. The coolant p... THC_d0005 Tesla diagnostic code in the THC (THC) module. The coolant p... THC_d0006 Tesla diagnostic code in the THC (THC) module. The coolant p... THC_d0018 Tesla diagnostic code in the THC (THC) module. User Descript... THC_u0002 Tesla unknown code in the THC (THC) module. The front defros... THC_u0003 THC_u0005 Tesla unknown code in the THC (THC) module. The cabin HVAC c... THC_w0016 Tesla warning code in the THC (THC) module. None...
View all THC codes →