RCM2-A518
RCM2_a518_sideAccelDPilRSht2Gnd
Also written as RCM2_A518 / RCM2 A518 / RCM2_a518_sideAccelDPilRSht2Gnd / rcm2_a518_sideacceldpilrsht2gnd
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-A518 mean?
Tesla alert code in the Restraint Control Module v2 (RCM2) module. D-Pillar Right Impact Sensor - Short to Ground There is a fault with the right D-Pillar impact sensor. 1st Row Left Seatbelt Lap/Anchor Pretensioner - Resistance too High The Left Lap Pretensioner may not perform as designed. 0x31A VCRIGHT_restraintStatus - Counter Error There is a counter error with the VCRIGHT restraint status message. Auto clears when CAN communication fault is rectified. CRC fault in a section that was marked for update Production software is flashed to the restraint control module or the module is replaced. B-Pillar Left Impact Sensor - Open Circuit B-Pillar Right Impact Sensor - Open Circuit 0x370 EPAS3P_sysStatus - Counter Error
Original Description
D-Pillar Right Impact Sensor - Short to Ground There is a fault with the right D-Pillar impact sensor. 1st Row Left Seatbelt Lap/Anchor Pretensioner - Resistance too High The Left Lap Pretensioner may not perform as designed. 0x31A VCRIGHT_restraintStatus - Counter Error There is a counter error with the VCRIGHT restraint status message. Auto clears when CAN communication fault is rectified. CRC fault in a section that was marked for update Production software is flashed to the restraint control module or the module is replaced. B-Pillar Left Impact Sensor - Open Circuit B-Pillar Right Impact Sensor - Open Circuit 0x370 EPAS3P_sysStatus - Counter Error
Affected Tesla Models
What You May Notice
- Restraint Control Module v2 alert: D-Pillar Right Impact Sensor - Short to Ground There is a fault with the right D-Pillar impact sensor. 1st Row Left Seat
- 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-A518 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.