PCS-A020
PCS_a020_chgEnableLineMismatch
Also written as PCS_A020 / PCS A020 / PCS_a020_chgEnableLineMismatch / pcs_a020_chgenablelinemismatch
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-A020 mean?
Tesla alert code in the Power Conversion System (PCS) module. PCS charging hardware enable line does not match CAN signal Charger detects that sensed enable hardline state does not match state reported on CAN for more than five seconds Charger detects that sensed enable hardline state matches state reported on CAN for more than one second
Original Description
PCS charging hardware enable line does not match CAN signal Charger detects that sensed enable hardline state does not match state reported on CAN for more than five seconds Charger detects that sensed enable hardline state matches state reported on CAN for more than one second
Affected Tesla Models
What You May Notice
- Power Conversion System alert: PCS charging hardware enable line does not match CAN signal Charger detects that sensed enable hardline state does not m
- 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-A020 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.