CP-A074
CP_a074_failedToEstablishV2gComm
Also written as CP_A074 / CP A074 / CP_a074_failedToEstablishV2gComm / cp_a074_failedtoestablishv2gcomm
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-A074 mean?
Tesla alert code in the Charge Port (CP) module. The charge port was unable to initialize the non-volatile memory module PLC modem expected to be depopulated but established communication successfully PLC modem responded when verifying that it is not populated Supercharging blocked because option not enabled The CP detects that a Supercharger is plugged in, but the car configuration indicates that supercharging is not allowed The Supercharger is unplugged, or the car configuration enables supercharging The CP does not detect that the latch assembly is connected to the CP ECU The CP confirms that the latch assembly is connected to the CP ECU Charge rate may be reduced, DC charging may be blocked Latch has been manually disengaged The latch transitions to the disengaged state from engaged or blocking without actuating it Any door sensor detects the door is closed, and no cable is connected
Original Description
The charge port was unable to initialize the non-volatile memory module PLC modem expected to be depopulated but established communication successfully PLC modem responded when verifying that it is not populated Supercharging blocked because option not enabled The CP detects that a Supercharger is plugged in, but the car configuration indicates that supercharging is not allowed The Supercharger is unplugged, or the car configuration enables supercharging The CP does not detect that the latch assembly is connected to the CP ECU The CP confirms that the latch assembly is connected to the CP ECU Charge rate may be reduced, DC charging may be blocked Latch has been manually disengaged The latch transitions to the disengaged state from engaged or blocking without actuating it Any door sensor detects the door is closed, and no cable is connected
Affected Tesla Models
What You May Notice
- Charge port alert: The charge port was unable to initialize the non-volatile memory module PLC modem expected to be depopulated but establi
- 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 was unable to initialize the non-v" persists, contact Tesla Roadside Assistance
- 5 Schedule a Service Center visit if the problem continues
Severity Notes
CP-A074 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.