RCM2-A418
RCM2_a418_sideAccelCPilLSigMon
Also written as RCM2_A418 / RCM2 A418 / RCM2_a418_sideAccelCPilLSigMon / rcm2_a418_sideaccelcpillsigmon
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-A418 mean?
Tesla alert code in the Restraint Control Module v2 (RCM2) module. C-Pillar Left Impact Sensor - Signal Monitor Up-Front Right Impact Sensor (Shotgun) - Connected but not Configured (Wrong Sensor Connected) High g Lateral Acceleration (Ay-Hg) - Temporary Channel Monitoring Turn indicator sensor generic software error SCCM is not receiving VCFRONT_LVPowerState Steering Stalk Module Run Time Error Steering Angle Sensor Internal Error Detected Steering Stalk Module Hardware Error High Beam Stalk Open Circuit, ADC reads 5V
Original Description
C-Pillar Left Impact Sensor - Signal Monitor Up-Front Right Impact Sensor (Shotgun) - Connected but not Configured (Wrong Sensor Connected) High g Lateral Acceleration (Ay-Hg) - Temporary Channel Monitoring Turn indicator sensor generic software error SCCM is not receiving VCFRONT_LVPowerState Steering Stalk Module Run Time Error Steering Angle Sensor Internal Error Detected Steering Stalk Module Hardware Error High Beam Stalk Open Circuit, ADC reads 5V
Affected Tesla Models
What You May Notice
- Restraint Control Module v2 alert: C-Pillar Left Impact Sensor - Signal Monitor Up-Front Right Impact Sensor (Shotgun) - Connected but not Configured (Wron
- 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-A418 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.