THC-D0004
THC_d0004_pumpPT
Also written as THC_D0004 / THC D0004 / THC_d0004_pumpPT / thc_d0004_pumppt
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-D0004 mean?
Tesla diagnostic code in the THC (THC) module. The coolant pump DTC is set on the Thermal Controller (THC) if the following alerts occur repeatedly over a specific time frame. THC_w0039_pumpPTLimp is set for 300 seconds or 100 times with less than 30 minutes between each occurrence. THC_w0040_pumpPTStop is set for 120 seconds or 10 times with less than 30 minutes between each occurrence. THC_w0044_sanityPumpPT is set for 120 seconds or 100 times with less than 30 minutes between each occurrence. THC_w0045_pumpPTFaultMax is set for 300 seconds or 100 times with less than 30 minutes between each occurrence. Diagnose the pump condition by investigating the relevant pump alert article(s) under Possible Causes.
Original Description
The coolant pump DTC is set on the Thermal Controller (THC) if the following alerts occur repeatedly over a specific time frame. THC_w0039_pumpPTLimp is set for 300 seconds or 100 times with less than 30 minutes between each occurrence. THC_w0040_pumpPTStop is set for 120 seconds or 10 times with less than 30 minutes between each occurrence. THC_w0044_sanityPumpPT is set for 120 seconds or 100 times with less than 30 minutes between each occurrence. THC_w0045_pumpPTFaultMax is set for 300 seconds or 100 times with less than 30 minutes between each occurrence. Diagnose the pump condition by investigating the relevant pump alert article(s) under Possible Causes.
Affected Tesla Models
What You May Notice
- THC alert: The coolant pump DTC is set on the Thermal Controller (THC) if the following alerts occur repeatedly over a specific tim
- 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 Perform a soft reboot (hold both scroll wheels for ~10 seconds)
- 2 Check for pending OTA software updates
- 3 If the issue persists, schedule a service appointment
Severity Notes
THC-D0004 is a diagnostic or informational code in the THC system. Typically no immediate action is required.