TESLA Alert

RCM2-A405

RCM2_a405_sideAccelBPilRInitTyp

Also written as RCM2_A405 / RCM2 A405 / RCM2_a405_sideAccelBPilRInitTyp / rcm2_a405_sideaccelbpilrinittyp

System
RCM2
Restraint Control Module v2
Type
Alert
Category
Body
Severity
Alert

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-A405 mean?

Tesla alert code in the Restraint Control Module v2 (RCM2) module. B-Pillar Right Impact Sensor - Initialization Failure Up-Front Center Impact Sensor - Initialization Failure

Original Description

B-Pillar Right Impact Sensor - Initialization Failure Up-Front Center Impact Sensor - Initialization Failure

Affected Tesla Models

Model 3Model YCybertruck

What You May Notice

  • Restraint Control Module v2 alert: B-Pillar Right Impact Sensor - Initialization Failure Up-Front Center Impact Sensor - Initialization Failure
  • Seatbelt pre-tensioner or side airbag may be affected
  • SRS (Supplemental Restraint System) alert in vehicle diagnostics

How to Diagnose and Resolve

  1. 1 Do not ignore this alert โ€” airbag system faults are safety-critical
  2. 2 Reboot the vehicle to check if the alert clears
  3. 3 Schedule a Tesla Service appointment promptly
  4. 4 The RCM module and wiring harness will be inspected

Severity Notes

RCM2-A405 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

View all RCM2 codes โ†’