TESLA Alert

CP-A003

CP_a003_canError

Also written as CP_A003 / CP A003 / CP_a003_canError / cp_a003_canerror

System
CP
Charge Port
Type
Alert
Category
Charging
Severity
Alert

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-A003 mean?

Tesla alert code in the Charge Port (CP) module. Generic CAN Error (TBD) 3.0.33.0.78

Original Description

Generic CAN Error (TBD) 3.0.33.0.78

Affected Tesla Models

Model SModel XModel 3Model YCybertruck

What You May Notice

  • Charge port alert: Generic CAN Error (TBD) 3.0.33.0.78
  • Charging session may be interrupted or not starting as expected
  • Charge port light flashing amber or red

How to Diagnose and Resolve

  1. 1 Unplug and re-plug the charge cable
  2. 2 Try a different charging cable or Supercharger stall
  3. 3 Reboot the vehicle and attempt to charge again
  4. 4 If "Generic CAN Error (TBD) 3.0.33.0.78" persists, contact Tesla Roadside Assistance
  5. 5 Schedule a Service Center visit if the problem continues

Severity Notes

CP-A003 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.

Other CP Codes

CP_a001 Tesla alert code in the Charge Port (CP) module. CAN Rx Buff... CP_a002 Tesla alert code in the Charge Port (CP) module. CAN Tx Buff... CP_a004 CP_a005 CP_a006 CP_a007 Tesla alert code in the Charge Port (CP) module. Watchdog ti... CP_a008 CP_a009 Tesla alert code in the Charge Port (CP) module. High voltag...
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