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Discussion Starter · #1 ·
Hello all, new member here. My vehicle is a 2015 GMC Terrain Denali L4 with 32000 odometer miles.

I have a "Service Side Detection System" message appearing in my DIC. Problem diagnosed by my local GMC dealer as a faulty electronic module. The diagnostic charge was $80.00. The same GMC dealer quoted an $875.00 price to R&R the module.

Has anyone experienced this failed module situation? Would like to know if this is a common problem. What did you do?
Have it repaired at the dealer/independent shop?
Do nothing and deal with resetting the message each time?
Replace the module yourself?

Thanks for your replies!
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