RCM2-A490
RCM2_a490_presRearLDoorSht2Gnd
Also written as RCM2_A490 / RCM2 A490 / RCM2_a490_presRearLDoorSht2Gnd / rcm2_a490_presrearldoorsht2gnd
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 RCM2-A490 mean?
Tesla alert code in the Restraint Control Module v2 (RCM2) module. Rear Left Door Pressure Impact Sensor - Short to Ground 0x30C VCSEATD_restraintStatus - Driver Occupancy SNA or Faulted The restraint control module has detected a fault with the driver occupancy switch.
Original Description
Rear Left Door Pressure Impact Sensor - Short to Ground 0x30C VCSEATD_restraintStatus - Driver Occupancy SNA or Faulted The restraint control module has detected a fault with the driver occupancy switch.
Affected Tesla Models
What You May Notice
- Restraint Control Module v2 alert: Rear Left Door Pressure Impact Sensor - Short to Ground 0x30C VCSEATD_restraintStatus - Driver Occupancy SNA or Faulted
- 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
RCM2-A490 is an Alert in the Restraint Control Module v2 system. Confirm the vehicle screen and Tesla app show no driving or charging restrictions, and schedule service if the alert returns.