RCM-D042
RCM_d042_pretenShldrFrontLeft
Also written as RCM_D042 / RCM D042 / RCM_d042_pretenShldrFrontLeft / rcm_d042_pretenshldrfrontleft
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-D042 mean?
Tesla diagnostic code in the Restraint Control Module (RCM) module. Cracked SignalDTCRCM_pretenShldLeftCfgRCM_921156RCM_pretenShldLeftCrossCRCM_92112BRCM_pretenShldLeftShortRCM_92111ARCM_pretenShldLeftOpenRCM_921113RCM_pretenShldLeftSht2BaRCM_921112RCM_pretenShldLeftSht2GnRCM_921111
Original Description
Cracked SignalDTCRCM_pretenShldLeftCfgRCM_921156RCM_pretenShldLeftCrossCRCM_92112BRCM_pretenShldLeftShortRCM_92111ARCM_pretenShldLeftOpenRCM_921113RCM_pretenShldLeftSht2BaRCM_921112RCM_pretenShldLeftSht2GnRCM_921111
Affected Tesla Models
What You May Notice
- Restraint Control Module alert: Cracked SignalDTCRCM_pretenShldLeftCfgRCM_921156RCM_pretenShldLeftCrossCRCM_92112BRCM_pretenShldLeftShortRCM_92111ARCM_p
- 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-D042 is a diagnostic or informational code in the Restraint Control Module system. Typically no immediate action is required.