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Red LED 1 flash

Red LED 1 flash — Pilot fault

Tesla Wall Connector · (Gen 3)

What does Red LED 1 flash mean?

The pilot level is incorrect, which is preventing the vehicle from charging. This signal is part of the communication between the charger and the vehicle.

Common Causes

  • Incorrect communication signal from the vehicle
  • Issue with the charging cable's pilot signal

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Plug the vehicle into another Wall Connector if possible.

  2. 2

    Try using the Mobile Connector supplied with the vehicle.

  3. 3

    If the problem persists, contact Tesla.

Browse all codes in this manual (49)
Verified technical data. Last updated: April 2026

Related Faults

1 red blinkOne red blink — Ground fault detected, charging disabled2 red blinksTwo red blinks — Ground assurance fault, high ground resistance detected3 red blinksThree red blinks — High temperature detected, charging limited or disabled
Source: Tesla Wall Connector (Gen 3)
Open Manual (Page 25)Search more codes in this manual