RCM-A118
RCM_a118_imuInPlaneAcceleration
Also written as RCM_A118 / RCM A118 / RCM_a118_imuInPlaneAcceleration / rcm_a118_imuinplaneacceleration
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-A118 mean?
Tesla alert code in the Restraint Control Module (RCM) module. The in-plane inertial measurement unit is faulted. There is a fault with the right hood actuator. The Event Data Recorder has been permanently locked. There is a fault with the left pedestrian protection sensor. There is a fault with the right pedestrian protection sensor. There is a fault with the front center impact sensor. Driver assist ECU CAN communication fault. No driver assist ECU CAN communication fault present. There is a fault with the front-left shoulder pretensioner. There is a fault with the right seat track position sensor. There is a fault with the front-left impact sensor.
Original Description
The in-plane inertial measurement unit is faulted. There is a fault with the right hood actuator. The Event Data Recorder has been permanently locked. There is a fault with the left pedestrian protection sensor. There is a fault with the right pedestrian protection sensor. There is a fault with the front center impact sensor. Driver assist ECU CAN communication fault. No driver assist ECU CAN communication fault present. There is a fault with the front-left shoulder pretensioner. There is a fault with the right seat track position sensor. There is a fault with the front-left impact sensor.
Affected Tesla Models
What You May Notice
- Restraint Control Module alert: The in-plane inertial measurement unit is faulted. There is a fault with the right hood actuator. The Event Data Recorde
- 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-A118 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.