Renault Airbag Lock/Unlock Computer
Supported coding features by RenCOM diagnostic tool https://www.obdtester.com/rencom
Airbag Control Unit Lock / Unlock
What it does
- Locks or unlocks the airbag (SRS) control unit
- Enables or disables airbag deployment after crash data handling
- Restores airbag system functionality after repair or replacement
When it is required
- After a collision event
- After airbag control unit replacement
- After clearing crash data (where supported)
- When SRS/airbag warning light is active due to lock status
Conditions that must be met
- Vehicle stationary
- Ignition OFF (then ON as prompted by diagnostic tool)
- Stable battery voltage
- Diagnostic tool connected
- No unresolved critical SRS faults
What happens during lock / unlock
- Airbag control unit status is changed (locked or unlocked)
- Crash-related restrictions are cleared if allowed
- Communication with other control units is restored
- SRS warning light status is updated
If lock / unlock is not performed
- Airbag system remains disabled
- SRS warning light stays ON
- Vehicle safety systems are compromised
After lock / unlock
- Clear all SRS fault codes
- Verify airbag system status in live data
- Perform system self-test
- Confirm airbag warning light turns OFF
Coverage in RenCOM