Owner’s Manual

Black plate (51,1)
GMC Yukon/Yukon XL Owner Manual - 2012 - CRC - 11/8/11
Vehicle Care 10-51
(D) Tire Identificat ion
Number (TIN)
: The letters and
numbers following the DOT code
are the Tire Identification
Number (TIN). The TIN shows
the manufacture r and plant
code, tire size, and date the tire
was manufactured. The TIN is
molded onto both sides of the
tire, although only one side may
have the date of manufacture.
(E) Tire Ply Material
: The type
of cord and number of plies in
the sidewall and under the tread.
(F) Uniform Tire Quality
Grading (UTQG)
: Tire
manufacturers are required to
grade tires based on three
performance factors: treadwear,
traction, and temperature
resistance. For more
information, see Uniform Tire
Quality Grading on page 10‑66.
(G) Maximum Cold Inflation
Load Limit
: Maximum load
that can be carried and the
maximum pressure needed to
support that load. For
information on recommended
tire pressure see Tire Pressure
on page 10‑57 and Vehicle Load
Limits on page 9‑16.
Light Truck (LT-Metric) Tire
(A) Tire Size : The tire size
code is a combination of letters
and numbers used to define a
particular tire's width, height,
aspect ratio, construction type,
and service description. See the
“Tire Size” illustration later in this
section for more detail.
(B) TPC Spec (Tire
Performance Criteria
Specification)
: Original
equipment tires designed to
GM's specific tire performance
criteria have a TPC specification
code molded onto the sidewall.
GM's TPC specifications meet or
exceed all federal safety
guidelines.
(C) Dual Tire Maximum Load
:
Maximum load that can be
carried and the maximum
pressure needed to support that
load when used in a dual
configuration. For information on
recommended tire pressure see
Tire Pressure on page 10‑57
and Vehicle Load Limits on
page 9‑16.