Tire Designations - GMC Sierra Denali 1500 2023 Owner's Manual

(70 mph), or 88 km/h (55 mph) when
pulling a trailer, with the proper
inflation pressure. See Full-Size Spare
Tire 0 399.
Light Truck (LT-Metric) Tire
(1) 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 in this section.
(2) 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.
(3) 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 0 376 and
Vehicle Load Limits 0 207.
(4) DOT (Department of
Transportation) The Department of
:
Transportation (DOT) code indicates that
the tire is in compliance with the U.S.
Department of Transportation Motor
Vehicle Safety Standards.
DOT Tire Date of Manufacture
four digits of the TIN indicate the tire
manufactured date. The first two digits
represent the week and the last two
digits, the year. For example, the third
week of the year 2020 would have a
4-digit DOT date of 0320. Week 01 is
the first full week (Sunday through
Saturday) of each year.
(5) Tire Identification Number (TIN)
The letters and numbers following the
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.
(6) Tire Ply Material
and number of plies in the sidewall and
under the tread.
(7) Single Tire Maximum Load
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 Tire
The last
:
Pressure 0 376 and
Vehicle Load Limits 0 207.

Tire Designations

Tire Size
The examples show a typical passenger
vehicle and light truck tire size.
Vehicle Care 373
:
The type of cord
:
: