Code B00A0 is stored in OCM / OCSM
Occupant Classification System Module
Sub Codes: B00A0:54, B00A0:67, B00A0:67
What does this mean?
OCSM is a passenger weight sensor located under the passenger seat. It is called an occupant weight sensor.
Troubleshooting
If the vehicle was in an accident and you already sent it out to MyAirbags to have crash data reset from the RCM, then you will just need to calibrate the OCSM.
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If the RCM airbag computer module is removed or disconnected, try not to move the vehicle or turn the ignition on.
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Keep battery terminals disconnected while the RCM is out of the vehicle to avoid OCSM calibration because it may store code B00A0 in the RCM/OCSM.
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Connect IDS/VCM or other diagnostic scan tool to the data link connector under the drivers side of the dash. Clear all codes from the RCM and OCSM, then access the OCS reset, and press the button on the screen. It will then show on the screen if it was successful or not.
OCSM Calibration
In the scan tool: (depending on the scan tool, options may vary)
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Navigate to SRS Airbag Menu
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Look for a menu option called "Occupant "
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There you may see one option or two options. Clear codes and Zero out the weight
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First zero out the weight sensor (occupant seat sensor). Then press clear codes
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If the passenger seat has been replaced and the sensors in the seat were not transferred from the original seat to the seat that is now in the vehicle can also cause airbag issues.
This is very common, most of the time you won’t need to replace the OCSM sensor. You will need to initialize/calibrate it