CP-A112
CP_a112_inletHeaterIrrationalTemperature
Also written as CP_A112 / CP A112 / CP_a112_inletHeaterIrrationalTemperature / cp_a112_inletheaterirrationaltemperature
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 CP-A112 mean?
Tesla alert code in the Charge Port (CP) module. The charge port read an irrational temperature on the inlet heater temperature pin after the heater has been enabled. The inlet heater temperature was lower than -30C after 30 seconds of being active. Alert clears automatically 30 seconds after being set. The inlet heater's functionality may be compromised. Frozen ice in the charge port may be difficult to remove. Retries for loading the PLC modem application expired The PLC modem application fails to load after multiple consecutive attempts The modem application loads successfully, or the vehicle enters drive state DC charging will not start with CCS supercharger
Original Description
The charge port read an irrational temperature on the inlet heater temperature pin after the heater has been enabled. The inlet heater temperature was lower than -30C after 30 seconds of being active. Alert clears automatically 30 seconds after being set. The inlet heater's functionality may be compromised. Frozen ice in the charge port may be difficult to remove. Retries for loading the PLC modem application expired The PLC modem application fails to load after multiple consecutive attempts The modem application loads successfully, or the vehicle enters drive state DC charging will not start with CCS supercharger
Affected Tesla Models
What You May Notice
- Charge port alert: The charge port read an irrational temperature on the inlet heater temperature pin after the heater has been enabled. Th
- Charging session may be interrupted or not starting as expected
- Charge port light flashing amber or red
How to Diagnose and Resolve
- 1 Unplug and re-plug the charge cable
- 2 Try a different charging cable or Supercharger stall
- 3 Reboot the vehicle and attempt to charge again
- 4 If "The charge port read an irrational temperature on " persists, contact Tesla Roadside Assistance
- 5 Schedule a Service Center visit if the problem continues
Severity Notes
CP-A112 is an Alert in the Charge Port system. Confirm the vehicle screen and Tesla app show no driving or charging restrictions, and schedule service if the alert returns.