Post-Crash RCM Reset and SRS Component Replacement Guide for Tesla Vehicles

When a Tesla is involved in a crash, its Restraint Control Module (RCM) – the airbag control unit (sometimes referred to as SRS)– will often store crash data and trigger safety alerts until repairs are made. This comprehensive tutorial walks through the steps that professional mechanics and experienced DIY enthusiasts should follow to inspect and replace safety components and reset or replace the RCM to clear all related alerts. It covers all Tesla models (Model S, Model X, Model 3, and Model Y) with model-specific notes on what can be reset vs. what requires replacement. We’ll also discuss the diagnostic tools/software needed for clearing crash data, and include a compatibility table and visual aids for clarity. Always prioritize safety and follow proper procedures when working on vehicle restraint systems.

Inspection & Replacement of SRS Components After a Crash

After any collision (even a minor one), Tesla recommends a thorough inspection of all Supplemental Restraint System (SRS) components – and replacement of any that deployed or were damaged. Before touching any SRS components, take these preparatory steps:

1. Power Down the Vehicle Safely: Disconnect the 12V battery and disable the high-voltage system. Tesla’s guidelines advise opening a door window and the front trunk, and then powering off via the touchscreen before disconnecting the 12V terminal (2022 Tesla Model 3) (2022 Tesla Model 3). This prevents accidental airbag deployment or HV electrical hazards during repairs. Wait at least 2 minutes after disconnecting power for all systems to discharge (2022 Tesla Model 3).

2. Scan for Diagnostic Trouble Codes (DTCs): Use a Tesla-compatible scan tool or Service Mode to read SRS fault codes. This will identify which airbags or pretensioners deployed and any other faults (e.g. impact sensor errors), guiding your inspection.

3. Inspect Seat Belt Pretensioners & Seatbelts: Seat belt pretensioners use small pyrotechnic charges to tighten the belts in a crash. If any pretensioner activated (signified by a locked belt or visible damage), the entire seat belt assembly must be replaced (Seat Belts). This applies to front seat belts with retractors or buckle pretensioners, and any rear belts that were in use during the collision (2022 Tesla Model 3) (2022 Tesla Model 3). Even if not deployed, check all seatbelts for damage: a belt that is torn, frayed, or won’t retract properly should be replaced. Also inspect the belt buckles and height adjusters for deformation (2022 Tesla Model 3) (2022 Tesla Model 3).

(Tesla 3 Seat Belt Buckle Pretensioner Repair) A Tesla Model 3 seat belt buckle pretensioner (with its pyrotechnic charge and sensor wiring) removed after deployment. Once a pretensioner fires, Tesla requires replacing the entire seat belt assembly (Seat Belts). In a collision, both front and rear belts should be checked and any that locked up or show damage must be replaced.

4. Inspect Airbags: Any deployed airbag must be replaced with a new unit. Tesla vehicles can have multiple airbags (front driver, front passenger, knee airbags, side torso airbags in the seats, curtain airbags, etc.). Identify which airbags deployed (the airbag warning light and DTCs will indicate this). Replace all deployed airbags and their associated parts (e.g. a deployed driver airbag means the steering wheel assembly and clock spring should be inspected/replaced as well) (2022 Tesla Model 3) (2022 Tesla Model 3). Never attempt to reuse or repack a deployed airbag.

5. Inspect SRS Sensors and Wiring: Tesla’s SRS includes impact sensors (e.g. front crash accelerometers, door pressure sensors, etc.). Inspect any sensors near the impact area for physical damage or wire harness damage (2022 Tesla Model 3). Replace any damaged sensors. Also check the wiring connectors for all deployed components – melted connectors (from airbag ignitors) or damaged wiring should be repaired or replaced.

6. Replace the Pyrotechnic Battery Disconnect (Pyro Fuse) if Blown: In many Tesla models, a severe collision triggers a pyrotechnic battery disconnect (pyrofuse) that isolates the high-voltage battery (2022 Tesla Model 3). If the pyrofuse blew (DTCs or loss of main battery power will indicate this), it must be replaced with a new unit. Install the new pyrofuse and reconnect according to Tesla’s service instructions.

7. Examine the RCM (Restraint Control Module): The RCM (also called the airbag control module) monitors the crash and activates the airbags/pretensioners. In Tesla’s official guidance, anytime the SRS components deploy, the RCM itself should be replaced with a new unit (2022 Tesla Model 3). This is because the RCM will have crash event data stored (a “crash flag”) and, for liability reasons, Tesla does not reinstall a deployed module. However, as discussed in the next section, it may be possible to reset the crash data on the original RCM in lieu of replacement. For now, if you plan to replace it, locate the RCM (typically mounted under the center console area or under a front seat in Teslas) and remove it (disconnect the wiring harnesses and unbolt it from the floor). Do not install a new RCM yet – if you are attempting a reset of the old module instead, you’ll be working with the removed module. (We will cover RCM reset vs. replacement in detail below.)

8. Install Replacement Parts: Install all the new/repaired components gathered in steps 3–7: new seat belt assemblies (torque bolts to spec), new airbags (ensure connectors are secure and routed correctly), any replaced sensors, the new pyrofuse (but leave HV disconnected until completion), and either a new RCM or the original one if it’s been reset. Follow Tesla’s service manual procedures for each component (e.g., some airbags require new mounting bolts, etc.). Double-check all connectors – improperly connected SRS components can trigger faults.

9. Reconnect Power Safely: Reconnect the 12V battery (and close the service disconnect for HV if applicable). The vehicle may still show “Service Restraint System” or airbag light at this point, because the RCM crash memory hasn’t been cleared yet (in the case of a new RCM, it may need programming; for a reset original RCM, we need to verify it’s cleared). Do not drive the vehicle yet.

10. (See Tesla Documentation on Seat Belts)

With all new components installed, you’re ready to address the RCM’s stored crash data and clear any remaining alerts. The physical repair work ensures the car’s restraint hardware is restored – now we need to reset the electronics so the car recognizes the repairs.

RCM Crash Data Reset Methods (Crash Flag Clearing vs. Module Replacement)

The Restraint Control Module (RCM) (Tesla’s airbag control computer) will record a crash event in non-volatile memory whenever a deployment occurs. This results in a “crash flag” that triggers SRS alerts until cleared. Tesla’s official policy is to replace a deployed RCM with a new module on all models (2022 Tesla Model 3). However, many Tesla RCMs can be reset by clearing the crash data, which is a practice commonly used in the automotive repair industry (especially for salvaged vehicles). Below, we detail which Tesla RCM versions can be reset, and how, versus when a replacement is the only option:

(NEW OEM Tesla Model 3 SRS Restraint Control Module 1095757-00-C | eBay) A Tesla Model 3 RCM (Restraint Control Module) unit. The RCM (Bosch part) is the “brain” of the airbag system. After a significant crash, this module stores crash data and Tesla recommends replacing it (2022 Tesla Model 3). However, specialized services can clear the crash memory on many RCMs, allowing the original module to be reused (Tesla Model S SRS RCM Airbag Module Reset (Restraint Control Module) Airbag Module Reset | MyAirbags).

• Tesla Model S and Model X (2012–2020) – These models use a Bosch airbag control module that can be reset by clearing its crash memory. While Tesla will not perform this (they insist on replacement), third-party companies offer reset services: you send in the RCM and they erase the crash data, returning it “as new” (Tesla Model S SRS RCM Airbag Module Reset (Restraint Control Module) Airbag Module Reset | MyAirbags). Professional airbag module reset services (like MyAirbags, Safety Restore, etc.) have the equipment to reprogram the RCM’s EEPROM, clearing hard crash codes. Many body shops utilize these services to avoid buying an expensive new module. Important: if you do reuse the original module, ensure that it’s functioning properly and has no hardware damage. Officially, for safety, Tesla requires a new RCM after any airbag deployment (2022 Tesla Model 3). Technically, though, the compatibility of these RCMs with reset methods is high – they can be made “crash-free” again with the right tools. If you choose to replace instead, a matching used or new RCM must be programmed to the vehicle’s VIN (Tesla Toolbox can do this) before it will work.

• Tesla Model 3 and Model Y (2017–2021) – The first-generation Model 3/Y vehicles also have a standalone airbag control module that stores crash events. Tesla’s service manual calls for replacing the RCM after a deployment (2022 Tesla Model 3), but in practice these modules are also resettable. In fact, some advanced diagnostic tools now allow resetting the crash flag via the vehicle’s OBDII port or a bench harness. For example, the Launch X431 scanner has a special function to “Unlock EEPROM After Crash” and erase crash records on Tesla Model 3 airbag modules (How to Reset Airbag Crash Data for Tesla Model 3 by Launch X431. – The Blog of www.obd2tool.com) (How to Reset Airbag Crash Data for Tesla Model 3 by Launch X431. – The Blog of www.obd2tool.com). This means a technician can clear the crash data without removing the module in some cases. The compatibility of Model 3/Y RCMs with reset tools is very good – as of 2021, tools like Launch or specialist programmers (CarProTool, OBDStar, etc.) support these Tesla modules. If you don’t have access to such a tool, sending the module to a reset service is an option, or replacing the module outright per Tesla’s recommendation. Note: If you replace the RCM in a Model 3/Y, the new module will likely need to be coded to the car (using Tesla’s Toolbox software) so that the crash sensor calibration and VIN data are properly set.

• Tesla Model S and Model X (2021+ Refresh) – The refreshed S/X (Plaid/Long Range) introduced in 2021 should be assumed to operate like earlier models in terms of RCM behavior. They still have a dedicated airbag control module that will lock after a deployment. Tesla hasn’t indicated any change in philosophy – they would replace the RCM after a crash. Third-party info on resetting 2021+ S/X modules is limited (due to the smaller number on the road), but it’s likely that they too can be reset with the appropriate tools, since the underlying Bosch hardware is similar. Always check for the latest info or services that support the specific part number of the RCM. If in doubt, replacing may be the only route if you cannot verify a successful reset.

• Tesla Model 3 and Model Y (2022+ with New Architecture) – Newer Model 3/Y (especially 2022 and later) have an additional consideration: Tesla integrated some crash-related logic into the Vehicle Controller Front (VCFront) on newer revisions. After an accident in a 2022+ Model 3/Y, in addition to the RCM storing crash data, the VCFront may set a “crash flag” that needs to be cleared ( How to Start Tesla Car after Accident Repair Guide – Tesla Alert Clear) ( How to Start Tesla Car after Accident Repair Guide – Tesla Alert Clear). In practice, technicians have found that you must use Tesla’s Service Mode or Toolbox to clear the VCFront crash flag (often labeled “Clear Post Crash – Load Shed” and reset VCFront) before the car will operate normally ( How to Start Tesla Car after Accident Repair Guide – Tesla Alert Clear) ( How to Start Tesla Car after Accident Repair Guide – Tesla Alert Clear). If the VCFront controller will not reset (in rare cases), Tesla’s guidance is to replace the VCFront module itself ( How to Start Tesla Car after Accident Repair Guide – Tesla Alert Clear) ( How to Start Tesla Car after Accident Repair Guide – Tesla Alert Clear). The RCM in these cars can still be reset by similar means as the earlier models (the airbag ECU hardware didn’t fundamentally change), but the presence of the VCFront crash data means a two-step reset is required: clear the RCM crash data and clear the VCFront flag. Compatibility note: Standard airbag module reset tools can handle the RCM, but clearing the VCFront may require Tesla’s official software (Toolbox) or a specialized procedure. Many independent shops will replace the RCM per guidelines and then use Toolbox to clear VCFront, to ensure all crash data is gone.

Bottom line: All Tesla models have RCMs that record crash data. Officially, none of these modules are “user-resettable” in Tesla’s eyes – they say replace it (2022 Tesla Model 3). However, from Model S to Model Y, technicians have developed methods to clear the crash memory on the original module. Older Tesla RCMs (pre-2020) are highly resettable with third-party services (Tesla Model S SRS RCM Airbag Module Reset (Restraint Control Module) Airbag Module Reset | MyAirbags), and newer models (2020+ including Model 3/Y) can often be reset via advanced scan tools (How to Reset Airbag Crash Data for Tesla Model 3 by Launch X431. – The Blog of www.obd2tool.com). The newest (2022+) introduce the VCFront crash flag that also must be cleared. If you lack the means to clear the crash data, or if the module is physically damaged, then replacing the RCM with a new one is required. In any case, after installing a new or reset module, you must use diagnostics to clear any residual fault codes and validate the SRS system, which we’ll cover next.

Diagnostic Tools & Procedures for Clearing Crash Data

Clearing all RCM-related alerts in a Tesla after repairs requires using diagnostic software to communicate with the car’s safety systems. There are two primary routes: using Tesla’s official tool (Toolbox/Service Mode) or using third-party airbag reset tools/scanners. We’ll outline both approaches:

(How to Reset Airbag Crash Data for Tesla Model 3 by Launch X431. – The Blog of www.obd2tool.com) Screenshot of a diagnostic tool’s special functions for Tesla airbag modules. Advanced scan tools like Launch X431 provide menu options to unlock the RCM’s memory and erase crash records (How to Reset Airbag Crash Data for Tesla Model 3 by Launch X431. – The Blog of www.obd2tool.com). These tools replicate the function of Tesla’s own software to clear stored crash data and fault codes.

1. Tesla Service Mode / Toolbox (Official Method): Tesla provides authorized service centers and repair shops with a software platform called Toolbox 3, and newer vehicles also have a built-in Service Mode on the touchscreen. These are used for diagnostics and repairs on Tesla vehicles (Toolbox Labor Times – Tesla Service) ([PDF] Service Mode User Guide). To clear crash data and program new components:

• Entering Service Mode: On the car’s touchscreen, an authorized technician can enter Service Mode (with a code). From there, navigation to Safety and Restraints > Airbags > RCM provides options like “Post-Crash” or “Post Replacement” tasks (Module – Restraint Control (Remove and Replace) – Tesla Service). For example, after installing a new RCM, Tesla’s procedure is to go into Service Mode and run a routine to configure the module (Module – Restraint Control (Remove and Replace) – Tesla Service).

• Clearing Crash Data: In some cases, Service Mode will allow clearing certain crash-related flags. If available, you’d use the menu to “Clear Post Crash Faults” or similar. However, Tesla often locks down direct crash memory reset for the RCM itself – they expect you to replace it. The official software will detect a crash-event module and usually prevent simply clearing it. Instead, Tesla’s approach is to install a new module and then use Toolbox to pair it to the car. But for the VCFront crash flag on newer models, Tesla’s Service Mode does have a procedure: e.g. Clear VCFront Crash Flag (sometimes called “Clear Load Shed”) ( How to Start Tesla Car after Accident Repair Guide – Tesla Alert Clear) ( How to Start Tesla Car after Accident Repair Guide – Tesla Alert Clear). So, if you’ve replaced the pyrofuse and repaired the car, you would use Toolbox/Service Mode to run that VCFront reset, which re-enables the high-voltage system and clears the remaining alert.

• Toolbox via PC: Independent shops can access Tesla’s Toolbox with a paid subscription and a compatible interface (Tesla’s VCX or a J2534 device). Using Toolbox on a PC, you can perform the same tasks: for instance, run an RCM self-test and clear DTCs, program new VIN to a module, or initiate calibration routines ( How to Start Tesla Car after Accident Repair Guide – Tesla Alert Clear). After all repairs, you should connect and run a full SRS system scan. Any residual fault codes (e.g., “Crash data stored” or sensor faults) should be cleared if all components are replaced/reset correctly. If codes remain, Toolbox will identify what’s wrong (e.g., a forgotten connector or an unrepaired component).

2. Third-Party Diagnostic Tools (Aftermarket Scanners): In recent years, aftermarket automotive scan tools have added support for Tesla systems, including SRS. High-end shop scanners like the Launch X431, Autel MaxiSys, and others can interface with Tesla vehicles using the OBD port (for Model S/X, or the service connector in Model 3/Y). These tools offer special functions to deal with crash data:

• The Launch X431, for example, has a guided procedure for Tesla airbag modules. As shown in the image above, it can perform “Crash Data Resetting” either automatically or by manual steps. The process involves reading the RCM’s EEPROM, unlocking it after a crash, and then erasing the stored crash records (How to Reset Airbag Crash Data for Tesla Model 3 by Launch X431. – The Blog of www.obd2tool.com) (How to Reset Airbag Crash Data for Tesla Model 3 by Launch X431. – The Blog of www.obd2tool.com). This effectively clears the crash flag from the module’s memory. The Launch tool can do this on Model 3 (and likely Model Y) without removing the module, provided it can communicate via OBD. (If not, the tool provides wiring to bench-read the module (How to Reset Airbag Crash Data for Tesla Model 3 by Launch X431. – The Blog of www.obd2tool.com).)

• Other tools like OBDStar P50 or CarProg/CarProTool have similar capabilities. They may require you to remove the RCM and connect to it on a bench to rewrite the memory. These tools are usually used by specialized technicians due to cost and complexity. If you’re a DIY enthusiast looking to do this yourself, ensure you’re very comfortable with module programming.

• Standard OBD-II Scanners: Note that basic OBD-II code readers will not be able to clear Tesla airbag crash data. They might read an error code, but they won’t reset the locked crash flag. You need manufacturer-specific support. Some mid-level scanners (e.g. Snap-on, Launch) now include Tesla in their software – check if yours has a Tesla SRS function.

3. Airbag Module Reset Services: If you don’t have access to the above tools, you can use mail-in services. As mentioned, companies like MyAirbags or Safety Restore will take your RCM and clear the crash data for you using their in-house tools, then ship it back (Tesla Model S SRS RCM Airbag Module Reset (Restraint Control Module) Airbag Module Reset | MyAirbags). Turnaround is usually 1 day. When you get the module back, it should be plug-and-play with no airbag light (assuming all bad sensors and deployed units were replaced). This is a viable option for DIY folks who can afford a bit of downtime and shipping cost. Just ensure the service is reputable and guarantees the module will have zero crash codes and the correct VIN when returned.

4. Verifying and Clearing Fault Codes: After using either the official software or a third-party tool to reset the crash data, clear all DTCs from the SRS system memory. Then turn the vehicle ignition on (or drive power on) and observe the instrument cluster and touchscreen for any airbag or restraint system warnings. There should be none if everything was done correctly. It’s wise to perform a diagnostic health check: for example, Tesla Toolbox has a routine to test SRS operation (2022 Tesla Model 3). Some third-party tools can also trigger self-tests (like pretending to “arm” the system and see if any fault returns). If any alerts persist, re-scan for codes and address them – you may have a remaining issue (such as a sensor you missed or an initialization step not performed).

Finally, take the car for a slow test drive and ensure no safety warnings pop up. The seatbelts should function normally (no locking up during regular use), and the Tesla should behave as usual. At this point, all RCM/airbag-related alerts should be cleared.

Tesla Model Compatibility Table: RCM Reset vs Replacement and Required Components

The table below summarizes Tesla models and what is required after a crash, highlighting whether the RCM can be reset or must be replaced, and which components typically need replacement. (Assume that any deployed component = replace in all cases, and note that “Resettable RCM” refers to the technical possibility of clearing its crash data with proper tools, not Tesla’s official stance.)

Tesla Model (Year Range)	RCM Crash Data Reset? (Technical/3rd-party)	Tesla Official Requirement (Post-Crash)	Other Required Replacements (if deployed)
Model S (2012–2020) – First Gen	Yes. Original RCM can be reset by specialized services or tools ([Tesla Model S SRS RCM Airbag Module Reset (Restraint Control Module) Airbag Module Reset	MyAirbags](https://www.myairbags.com/product/tesla-model-s-srs-rcm-airbag-module-reset-restraint-control-module/?srsltid=AfmBOoo4nAueq_MkX3kM4fEQC77ul_XWE8gXirdjGcYMUgKLa8_Nwlnb#:~:text=Stop%20buying%20used%20or%20new,happens%20to%20your%20vehicle%2C%20you)) (Bosch module).	Replace RCM after any airbag or pretensioner deployment (2022 Tesla Model 3). Tesla does not support field resetting.
Model X (2015–2020) – First Gen	Yes. Same Bosch RCM as early Model S; reset via EEPROM programming is possible (3rd-party).	Replace RCM after deployment (same policy as Model S) (2022 Tesla Model 3).	All deployed airbags and triggered belt pretensioners; replace pyrofuse if activated (likely in severe collisions) (2022 Tesla Model 3) (2022 Tesla Model 3).
Model S/X (2021+ Refresh)	Likely Yes. Reset feasible with advanced tools (RCM design is similar; not officially documented yet).	Replace RCM after any deployment (Tesla service guidance remains replacement).	Airbags and pretensioners as above; pyrofuse if applicable, plus inspect new components (e.g. seat sensors) for damage.
Model 3 (2017–2021)	Yes. Reset possible via Tesla Toolbox or third-party scanner (e.g. Launch) (How to Reset Airbag Crash Data for Tesla Model 3 by Launch X431. – The Blog of www.obd2tool.com) (How to Reset Airbag Crash Data for Tesla Model 3 by Launch X431. – The Blog of www.obd2tool.com). Many services can clear Model 3 RCM crash data.	Replace RCM after deployment (officially) (2022 Tesla Model 3). Module must be programmed if replaced.	All deployed airbags, pretensioners/belt assemblies, pyrofuse (for serious impacts) (2022 Tesla Model 3) (2022 Tesla Model 3).
Model Y (2020–2021)	Yes. Same as Model 3 above – RCM reset doable with proper tools/software.	Replace RCM after deployment (official). Same procedure as Model 3.	All deployed airbags and pretensioners, pyrofuse if blown, etc., similar to Model 3 (2022 Tesla Model 3) (2022 Tesla Model 3).
Model 3/Y (2022+ New)	Yes, but with additional step: must also reset VCFront crash flag via Toolbox (or replace VCFront if not resettable) ([

  How to Start Tesla Car after Accident Repair Guide

– Tesla Alert Clear](https://carrepairsservice.com/blogs/tesla-alert-guide-to-fix-it/how-to-start-tesla-car-after-accident-repair-guide?srsltid=AfmBOooNx3vj9WF78QASbvUGy9gxlQFtF2fTGE9D8_Rw-St5p9ooNpcL#:~:text=)) ( How to Start Tesla Car after Accident Repair Guide – Tesla Alert Clear). RCM itself remains resettable with tools. | Replace RCM after deployment (official), and ensure VCFront is reset or replaced to clear crash mode. | Airbags, belts, pyrofuse as above. Also verify VCFront controller functionality – replace if it cannot be reset ( How to Start Tesla Car after Accident Repair Guide – Tesla Alert Clear) ( How to Start Tesla Car after Accident Repair Guide – Tesla Alert Clear). |

Notes: Tesla’s official documentation uniformly says to replace the RCM whenever the airbags or belt pre-tensioners deploy (2022 Tesla Model 3). The “Reset possible” column reflects the capability that experienced technicians have utilized with non-Tesla tools – use this knowledge at your discretion and risk. Also, always replace deployed airbags and triggered seat belt assemblies – these are one-time-use components (Seat Belts). The pyrotechnic battery disconnect (where equipped) should be treated as one-time as well (2022 Tesla Model 3). After all work, use diagnostics to confirm that the system is free of errors.

Conclusion and Final Checks

Clearing RCM-related alerts after a crash in a Tesla involves a combination of meticulous parts replacement and proper use of diagnostic tools. By following the step-by-step guidelines above, a professional or experienced DIYer can restore the Supplemental Restraint System to proper working order: all deployed airbags and belt tensioners replaced, the RCM crash memory cleared (or module replaced), and the vehicle’s systems tested free of errors. Always adhere to safety protocols – working with airbags and pyrotechnic devices is dangerous if mishandled. If in doubt, consult Tesla’s service documentation or seek help from a certified Tesla repair facility.

Once the SRS is fixed and no alerts remain, the Tesla should operate normally with full safety functionality. It’s wise to perform a test drive and maybe a second scan after a few ignition cycles to ensure no codes return. The combination of proper inspection & replacement of hardware and correct RCM reset procedures will result in a Tesla that is as safe as it was pre-accident, with all crash-related alerts fully cleared.