RCM-A116
RCM_a116_imuLateralAcceleration
Also written as RCM_A116 / RCM A116 / RCM_a116_imuLateralAcceleration / rcm_a116_imulateralacceleration
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-A116 mean?
Tesla alert code in the Restraint Control Module (RCM) module. The lateral inertial measurement unit is faulted. Auto clear or replace the restraint control module if permanently faulted. There is a fault with the left curtain airbag. There is a fault with the first stage of the driver airbag. There is a fault with the left B-Pillar impact sensor.
Original Description
The lateral inertial measurement unit is faulted. Auto clear or replace the restraint control module if permanently faulted. There is a fault with the left curtain airbag. There is a fault with the first stage of the driver airbag. There is a fault with the left B-Pillar impact sensor.
Affected Tesla Models
What You May Notice
- Restraint Control Module alert: The lateral inertial measurement unit is faulted. Auto clear or replace the restraint control module if permanently faul
- 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-A116 is an Alert in the Restraint Control Module system. Confirm the vehicle screen and Tesla app show no driving or charging restrictions, and schedule service if the alert returns.