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Has anyone had a code "U0233 OO" show up?

My car is saying I need to service the side detection system.

Dealer says right side detection module has failed. I'm looking to purchase a part to fix it myself.
 

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Did they actually diagnose or just read the code and tell you what it means?

They reason i ask is because that code and failure can be caused by either the right OR left detection module, or the harness that connects them. There is actually a water intrusion concern on this system that sets this code that requires replacement of BOTH modules and the harness.

If I remeber correctly both sides use the same module. but the one in the left hand poasition acts as the master and is the one that reports to the vehicle network. If you swap the modules side to side and you now receive a different code pertaining to the LH module, its safe to presume that module is bad. if you still have a RH module code, the problem is in the wiring.
 
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