The vehicle has a number of computers that record information about the vehicle’s performance and how it is driven. For example, the vehicle uses computer modules to monitor and control engine and transmission performance, to monitor the conditions for airbag deployment and deploy them in a crash, and, if equipped, to provide antilock braking to help the driver control the vehicle. These modules may store data to help the dealer technician service the vehicle. Some modules may also store data about how the vehicle is operated, such as rate of fuel consumption or average speed. These modules may retain personal preferences, such as radio presets, seat positions, and temperature settings.
Reporting Safety Defects to General Motors
Event Data RecordersTPMS Sensor Matching Process
Each TPMS sensor has a unique identification code. The identification code needs
to be matched to a new tire/wheel position after rotating the tires or replacing
one or more of the TPMS sensors. The TPMS sensor matching process should also be
performed after replacing a spare tire with a road ...
Temperature Control Cable Replacement (LHD)
Temperature Control Cable Replacement
Callout
Component Name
Preliminary Procedures
Remove the instrument panel compartment. Refer to Instrument Panel
Lower Compartment Replacement.
Remove the heater and air conditioning ...
Output Speed Sensor Replacement
Output Speed Sensor Replacement
Callout
Component Name
Preliminary Procedure
Remove the control valve body. Refer to Control
Valve Body Replacement.
1
Output Speed Sensor Bolt M6 x 1 ...