RCM-D027
RCM_d027_ocsFailure
Also written as RCM_D027 / RCM D027 / RCM_d027_ocsFailure / rcm_d027_ocsfailure
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-D027 mean?
Tesla diagnostic code in the Restraint Control Module (RCM) module. Cracked SignalDTCRCM_ocsLevel1ErrorRCM_C45593RCM_comOCSStatusTORCM_C45587RCM_comOCSStatusCRCRCM_C45570RCM_comOCSStatusCntrRCM_C45569RCM_comOCSIncorrectRCM_C45556RCM_ocsInvalidCalibIDRCM_C45556
Original Description
Cracked SignalDTCRCM_ocsLevel1ErrorRCM_C45593RCM_comOCSStatusTORCM_C45587RCM_comOCSStatusCRCRCM_C45570RCM_comOCSStatusCntrRCM_C45569RCM_comOCSIncorrectRCM_C45556RCM_ocsInvalidCalibIDRCM_C45556
Affected Tesla Models
What You May Notice
- Restraint Control Module alert: Cracked SignalDTCRCM_ocsLevel1ErrorRCM_C45593RCM_comOCSStatusTORCM_C45587RCM_comOCSStatusCRCRCM_C45570RCM_comOCSStatusCn
- 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
RCM-D027 is a diagnostic or informational code in the Restraint Control Module system. Typically no immediate action is required.