PCS-A047
PCS_a047_bootloaderCrcMismatch
Also written as PCS_A047 / PCS A047 / PCS_a047_bootloaderCrcMismatch / pcs_a047_bootloadercrcmismatch
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-A047 mean?
Tesla alert code in the Power Conversion System (PCS) module. PCS detects that at least one bootloader has mismatched CRC Power conversion system application detects that calculated bootloader CRC is unexpected Power conversion system detects that bootloader CRC matches expected value Inability to update, inability to boot AC charger
Original Description
PCS detects that at least one bootloader has mismatched CRC Power conversion system application detects that calculated bootloader CRC is unexpected Power conversion system detects that bootloader CRC matches expected value Inability to update, inability to boot AC charger
Affected Tesla Models
What You May Notice
- Power Conversion System alert: PCS detects that at least one bootloader has mismatched CRC Power conversion system application detects that calculated
- 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-A047 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.