TESLA Alert

RCM-A087

RCM_a087_comCANSilent

Also written as RCM_A087 / RCM A087 / RCM_a087_comCANSilent / rcm_a087_comcansilent

System
RCM
Restraint Control Module
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 RCM-A087 mean?

Tesla alert code in the Restraint Control Module (RCM) module. CAN bus hardware fault.

Original Description

CAN bus hardware fault.

Affected Tesla Models

Model SModel XModel 3Model Y

What You May Notice

  • Restraint Control Module alert: CAN bus hardware fault.
  • 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 — 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

RCM-A087 is an Alert in the Restraint Control Module system. Confirm the vehicle screen and Tesla app show no driving or charging restrictions, and schedule service if the alert returns.

Other RCM Codes

RCM_a000 RCM_a001 RCM_a002 RCM_a003 RCM_a004 RCM_a005 RCM_a006 RCM_a007
View all RCM codes →