TESLA Alert
RCM2-A622
RCM2_a622_comESPBChkSm
Also written as RCM2_A622 / RCM2 A622 / RCM2_a622_comESPBChkSm / rcm2_a622_comespbchksm
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 RCM2-A622 mean?
Tesla alert code in the Restraint Control Module v2 (RCM2) module. x155 ESP_B - Checksum Error
Original Description
x155 ESP_B - Checksum Error
Affected Tesla Models
Model 3Model YCybertruck
What You May Notice
- Restraint Control Module v2 alert: x155 ESP_B - Checksum Error
- Seatbelt pre-tensioner or side airbag may be affected
- SRS (Supplemental Restraint System) alert in vehicle diagnostics
How to Diagnose and Resolve
- 1 Do not ignore this alert — airbag system faults are safety-critical
- 2 Reboot the vehicle to check if the alert clears
- 3 Schedule a Tesla Service appointment promptly
- 4 The RCM module and wiring harness will be inspected
Severity Notes
RCM2-A622 is an Alert in the Restraint Control Module v2 system. Confirm the vehicle screen and Tesla app show no driving or charging restrictions, and schedule service if the alert returns.
Other RCM2 Codes
RCM2_a000 RCM2_a001 RCM2_a002 RCM2_a003 RCM2_a004 Tesla alert code in the Restraint Control Module v2 (RCM2) m... RCM2_a005 Tesla alert code in the Restraint Control Module v2 (RCM2) m... RCM2_a006 RCM2_a007
View all RCM2 codes →