TESLA Diagnostic
RCM-D004
RCM_d004_idleMode
Also written as RCM_D004 / RCM D004 / RCM_d004_idleMode / rcm_d004_idlemode
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-D004 mean?
Tesla diagnostic code in the Restraint Control Module (RCM) module. Cracked SignalDTCRCM_idleModeRCM_F00053
Original Description
Cracked SignalDTCRCM_idleModeRCM_F00053
Affected Tesla Models
Model SModel XModel 3Model Y
What You May Notice
- Restraint Control Module alert: Cracked SignalDTCRCM_idleModeRCM_F00053
- 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-D004 is a diagnostic or informational code in the Restraint Control Module system. Typically no immediate action is required.
Other RCM Codes
RCM_a000 RCM_a001 RCM_a002 RCM_a003 RCM_a004 RCM_a005 RCM_a006 RCM_a007
View all RCM codes →