What is the basis for the classification of levers?

Unfortunately unless you specify 'year make model' questions like this are hard to answer. I doubt it is on a Seat (pronounced See-At) the Spanish Car company. There are categories for every 'make year model'.

For $10,000 you could buy a new car!

B00A0 OBD-II - Occupant Classification System (OCS)

https://repairpal.com > obd-ii-code-b00a0-occupant-cla...

Code B00A0 stands for Occupant Classification System (OCS). Children and small passengers can be injured during airbag deployment.

if there is a cable on the end of the lever , replace the cable assembly
if the lever is direct connection, spray with an anti rust penetrant on a regular basis for a few days then try to move it
try using localized heat from a butane torch to break the rust / corrosion seal while trying to move it

i'd start by rechecking the "MDS on" install to make sure all connectors near where you were working are well seated. also recheck where the previous harness would contact. i find it really hard to beleive that the old harness was too short. improperly routed perhaps, but too short???

U0154 - LOST COMMUNICATION WITH OCM (occupant classification module)

• When Monitored:
• With the ignition on
• IOD fuse installed
• FCM is configured correctly
• Set Condition: Bus messages not received from the Occupant Classification Module for approximately 2 to 5 seconds.

Possible Causes
CAN B BUS CIRCUITS OPEN OR SHORTED
DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
FCM NOT CONFIGURED CORRECTLY
OCCUPANT CLASSIFICATION MODULE
OCCUPANT CLASSIFICATION MODULE POWER AND GROUND
MODULE THAT SET THIS DTC


OCM is located under passenger seat. make sure it's connector isn't loose.

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B1204 communication w/occupant classification module passenger airbag indicator circuit low

B1206 passenger airbag indicator circuit open

B223D occupant classification module DTC present

You either have a bad passenger airbag or the sensor that tells computer it is present

Here you have something about


North American Industry Classification System NAICS Main Page Census Bureau

B1650 Occupant classification System malfunction there are 4 possible trouble area No.2 floor wire,Front RH seat,center air bag assemble.
B 1785 Front occupant Classification Sensor LH collision Detection there is only one possible location to set this code Front seat LH

Lubricants and capacities
Engine oil options
Ambient temperature range Cold climate
Engine oil grade SAE 5W/30
Engine oil classification API/ACEA SJ/A2
Ambient temperature range Moderate climate
Engine oil grade SAE 10W/30
Engine oil classification API/ACEA SJ/A2
Ambient temperature range Moderate climate alternative
Engine oil grade SAE 10W/50
Engine oil classification API/ACEA SJ/A2
Ambient temperature range Hot climate
Engine oil grade SAE 10W/40
Engine oil classification API/ACEA SJ/A2
Engine with filter(s) litres 4,5

Lubricants and capacities
Engine oil options
Ambient temperature range Cold climate
Engine oil grade SAE 5W/30
Engine oil classification API/ACEA CI/C3
Ambient temperature range Moderate climate
Engine oil grade SAE 5W/30
Engine oil classification API/ACEA CI/C3
Ambient temperature range Hot climate
Engine oil grade SAE 5W/30
Engine oil classification API/ACEA CI/C3
Engine with filter(s) litres 9,5

If it is like a Chrysler, you will need to go to the dealer and have them redo the OCS. This has to do with the passenger airbag system and how much force it will send the air bag with.

If the vehicle has been in a rear end collision, expect this. If not, it just may need to have the Occ Class Sys reset. Toyota Dealer only.