- 1998–2002 Factory-verified
the 2001–2002 lists read "P235/75R15/X WS2 R/PE ST TL ALS"
XHB Factory-verified
Also documented for Chevrolet
Documented applications
This page aggregates every documented appearance of XHB in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.