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Diagnostic Case Summary

Tesla alert CC_a001 when charging with Wall Connector

In progress

Automotive - Electric Vehicles · Started Sep 6, 2026 · by Pedro

Diagnostics

Charging Issues with Tesla Wall Connector
Confirmed
Tesla Alert CC_a001 Unable to charge - Insufficient grounding with Wall Connector
Confirmed

Diagnostics and Remedies considered but not confirmed

Tesla Alert CC_a004 Unable to charge - Wall Connector hardware issue
Diagnostic considered
Tesla Alert CC_a015 Unable to charge - Vehicle connection issue
Diagnostic considered
Tesla CC_a001 Due to Improper Facility Grounding where the Wall Connector is Installed
Diagnostic considered
Tesla CC_a001 Due to Incorrect Wall Connector DIP Switch Settings
Diagnostic considered
Tesla CC_a001 Due to Wall Connector Loose or Damaged Wiring
Diagnostic considered
Tesla Wall Connector Blinking 5 Times
Diagnostic considered
Tesla Wall Connector Blinking Red 2 Times
Diagnostic considered
Tesla Wall Connector Blinking Red Once
Diagnostic considered
Verify and Repair Grounding Path for Tesla Wall Connector
Remedy considered
Wall Connector Blinking Red 3 Times
Diagnostic considered
Wall Connector Blinking Red 6 Times
Diagnostic considered