Tire Sidewall Labelling - Chevrolet Avalanche Owner's Manual

Tire Sidewall Labelling

Useful information about a tire is molded into the
sidewall. The following illustrations are examples of a
typical P-Metric and a LT-Metric tire sidewall.
Passenger (P-Metric) Tire
5-60
(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) 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.