CP-A103
CP_a103_proximityPeDisconnected
Also written as CP_A103 / CP A103 / CP_a103_proximityPeDisconnected / cp_a103_proximitypedisconnected
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-A103 mean?
Tesla alert code in the Charge Port (CP) module. Protective earth connection suspected missing Proximity voltage reads greater than 4.75V for more than 100ms Proximity must be sensed as disconnected for more than 200ms GBDC charge session unsuccessful
Original Description
Protective earth connection suspected missing Proximity voltage reads greater than 4.75V for more than 100ms Proximity must be sensed as disconnected for more than 200ms GBDC charge session unsuccessful
Affected Tesla Models
What You May Notice
- Charge port alert: Protective earth connection suspected missing Proximity voltage reads greater than 4.75V for more than 100ms Proximity m
- 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 "Protective earth connection suspected missing Prox" persists, contact Tesla Roadside Assistance
- 5 Schedule a Service Center visit if the problem continues
Severity Notes
CP-A103 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.