NOTE: The following steps must be completed before using the symptom
tables.
1. Before using the symptom diagnostic table, perform the Diagnostic System
Check - Vehicle in
order to verify the following conditions:
There are no DTCs set.
The module can communicate via the serial data.
2. Review
Label Example
A vehicle-specific Certification
label is attached to the vehicle's
center pillar (B-pillar). The label
may show the gross weight
capacity of the vehicle, called
the Gross Vehicle Weight Rating
(GVWR). The GVWR includes
the weight of the vehicle, all
occupants, fuel, and cargo.
Warnin