TESLA Diagnostic
RCM-D020
RCM_d020_comESP135
Also written as RCM_D020 / RCM D020 / RCM_d020_comESP135 / rcm_d020_comesp135
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-D020 mean?
Tesla diagnostic code in the Restraint Control Module (RCM) module. Signal NameDTCRCM_comESP135TORCM_CA5B87RCM_comESP135CRCRCM_CA5B70RCM_comESP135CntrRCM_CA5B69
Original Description
Signal NameDTCRCM_comESP135TORCM_CA5B87RCM_comESP135CRCRCM_CA5B70RCM_comESP135CntrRCM_CA5B69
Affected Tesla Models
Model SModel XModel 3Model Y
What You May Notice
- Restraint Control Module alert: Signal NameDTCRCM_comESP135TORCM_CA5B87RCM_comESP135CRCRCM_CA5B70RCM_comESP135CntrRCM_CA5B69
- 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-D020 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 →