S6B ● Confirmed

Buick · Regular Production Option

LPO, peripheral device interface module (PDIM)

Years 2011 Models 1

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Documented applications

LaCrosse — Epsilon II, 2nd gen (2010–2016) →

• 2011 ● Confirmed

  2011: deleted for 2012 per GM Authority 2012 RPO list

This page aggregates every documented appearance of S6B in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.