PCS-A077
PCS_a077_microGridWobbleDetected
Also written as PCS_A077 / PCS A077 / PCS_a077_microGridWobbleDetected / pcs_a077_microgridwobbledetected
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 PCS-A077 mean?
Tesla alert code in the Power Conversion System (PCS) module. PCS detects the wobble signature from AC power wall PCS no longer detect the wobble signature from AC power wall
Original Description
PCS detects the wobble signature from AC power wall PCS no longer detect the wobble signature from AC power wall
Affected Tesla Models
What You May Notice
- Power Conversion System alert: PCS detects the wobble signature from AC power wall PCS no longer detect the wobble signature from AC power wall
- DC-DC converter issue may affect 12V system (lights, accessories)
- Alert shown in the Tesla app
How to Diagnose and Resolve
- 1 Reboot the vehicle
- 2 Check if 12V accessories (lights, door handles) are behaving normally
- 3 Schedule a Tesla Service appointment for PCS inspection
Severity Notes
PCS-A077 is an Alert in the Power Conversion System system. Confirm the vehicle screen and Tesla app show no driving or charging restrictions, and schedule service if the alert returns.