PLCRLY-A077
PLCRLY_a077_invalidMacAddress
Also written as PLCRLY_A077 / PLCRLY A077 / PLCRLY_a077_invalidMacAddress / plcrly_a077_invalidmacaddress
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 PLCRLY-A077 mean?
Tesla alert code in the PLCRLY (PLCRLY) module. This alert signifies that the MAC address for the power line communication (PLC) relay is not programmed or is programmed with a value that is out of range. This is not a Tesla owned MAC address. In this case, the PLC Relay will fall back to a default MAC address, meaning the charging functionality should not be impacted by this alert.
Original Description
This alert signifies that the MAC address for the power line communication (PLC) relay is not programmed or is programmed with a value that is out of range. This is not a Tesla owned MAC address. In this case, the PLC Relay will fall back to a default MAC address, meaning the charging functionality should not be impacted by this alert.
Affected Tesla Models
What You May Notice
- PLCRLY alert: This alert signifies that the MAC address for the power line communication (PLC) relay is not programmed or is programme
- Touchscreen may show an error for one or more apps or settings
- Feature may restore itself after a reboot
How to Diagnose and Resolve
- 1 Perform a soft reboot (hold both scroll wheels for ~10 seconds)
- 2 Check for pending OTA software updates
- 3 If the issue persists, schedule a service appointment
Severity Notes
PLCRLY-A077 is an Alert in the PLCRLY system. Confirm the vehicle screen and Tesla app show no driving or charging restrictions, and schedule service if the alert returns.