LF XX, RF XX, LR XX, or RR XX
A message displays when the tire pressure is low. It shows the location of the low tire and the approximate pressure of the low tire.
If a tire pressure message appears, stop as soon as you can. Inflate the tires by adding air until the tire pressure is equal to the values shown on the Tire and Loading Information label. See Tires , Vehicle Load Limits , and Tire Pressure.
Engine Oil Messages
Trip ComputerWireless Communication Interface Antenna Replacement
Wireless Communication Interface Antenna Replacement
Callout
Component Name
Preliminary Procedure
Remove the communication interface module. Refer to
Communication Interface Module Replacement
1
...
Front End Upper Tie Bar Replacement
Front End Upper Tie Bar Replacement
Callout
Component Name
Preliminary Procedures
Disable the SIR system. Refer to SIR Disabling and Enabling.
Remove the front fascia. Refer to Front Bumper Fascia Replacement.
Rem ...
Data Link Communications Description and Operation
Note: This is an overview of different serial data buses used by GM
devices to communicate with each others. Use Data Communication Schematics to
find out which serial data buses are configured for a specific vehicle.
Circuit Description
There are many components in a vehicle t ...