CP-A117
CP_a117_inletHeaterUnableToRegulate
Also written as CP_A117 / CP A117 / CP_a117_inletHeaterUnableToRegulate / cp_a117_inletheaterunabletoregulate
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-A117 mean?
Tesla alert code in the Charge Port (CP) module. The charge port is not able to regulate the inlet heater properly The steady state error of the inlet heater temperature indicates failure to regulate Succesful regulation or a state change The inlet heater might not be effective
Original Description
The charge port is not able to regulate the inlet heater properly The steady state error of the inlet heater temperature indicates failure to regulate Succesful regulation or a state change The inlet heater might not be effective
Affected Tesla Models
What You May Notice
- Charge port alert: The charge port is not able to regulate the inlet heater properly The steady state error of the inlet heater temperature
- 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 is not able to regulate the inlet " persists, contact Tesla Roadside Assistance
- 5 Schedule a Service Center visit if the problem continues
Severity Notes
CP-A117 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.