GMC Sierra Denali 2009 Owner's Manual page 405

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
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 Inflation - Tire Pressure on page 5-70
and Loading the Vehicle on page 4-32.
(D) DOT (Department of Transportation)
Department of Transportation (DOT) code indicates
that the tire is in compliance with the U.S.
Department of Transportation Motor Vehicle Safety
Standards.
(E) Tire Identification Number (TIN)
and numbers following DOT code are the Tire
Identification Number (TIN). The TIN shows the
manufacturer 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.
(F) Tire Ply Material
:
of plies in the sidewall and under the tread.
(G) Single Tire Maximum Load
that can be carried and the maximum pressure
needed to support that load when used as a single.
For information on recommended tire pressure see
Inflation - Tire Pressure on page 5-70 and Loading
the Vehicle on page 4-32.
Maximum load that
:
:
The letters
:
The type of cord and number
Maximum load
:
The
5-65