Silverado 1500 4WD V8-6.0L (2010)
Garage Door Opener Transmitter: Symptom Related Diagnostic Procedures
Symptoms - Remote Functions
Symptoms - Remote Functions
Important: The following steps must be completed before using the symptom tables.
1. Perform Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System Check -
Vehicle) before using the Symptom Tables in order to verify that all of the following are true:
*
There are no DTCs set.
*
The control modules can communicate via the serial data link.
2. Review the system operation in order to familiarize yourself with the system functions. Refer to Keyless Entry System Description and Operation
(with Accessory 2 Way Remote) (See: Antitheft and Alarm Systems/Keyless Entry/Description and Operation/Keyless Entry System (with
Accessory 2 Way Remote))Keyless Entry System Description and Operation (without Accessory 2 Way Remote) (See: Antitheft and Alarm
Systems/Keyless Entry/Description and Operation/Keyless Entry System (without Accessory 2 Way Remote)).
Visual/Physical Inspection
*
Inspect for aftermarket devices which could affect the operation of the Keyless Entry System. Refer to Checking Aftermarket Accessories (See:
Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Checking Aftermarket Accessories).
*
Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.
Intermittent
Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent Conditions and Poor Connections (
See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Circuit Testing/Testing for Intermittent
Conditions and Poor Connections).
Symptom List
Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:
*
Garage Door Opener Inoperative (See: Garage Door Opener Inoperative)
*
Keyless Entry System Inoperative (See: Antitheft and Alarm Systems/Keyless Entry/Testing and Inspection/Symptom Related Diagnostic
Procedures/Keyless Entry System Inoperative)
*
Remote Vehicle Start Inoperative (See: Antitheft and Alarm Systems/Keyless Entry/Testing and Inspection/Symptom Related Diagnostic
Procedures/Remote Vehicle Start Inoperative)
Garage Door Opener Inoperative
Garage Door Opener Inoperative
Diagnostic Instructions
*
Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System
Check - Vehicle) prior to using this diagnostic procedure.
*
Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an
overview of the diagnostic approach.
*
Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure Instructions)
provides an overview of each diagnostic category.
Circuit/System Description
The garage door opener (GDO) is a transmitter operating between 288 and 399 MHz. The GDO has three buttons that may be programmed for
individual transmitter/receiver combinations to control up to three GDOs, security gates, lighting systems, etc. Each button represents a unique
transmitter code section, which operates independently of the other buttons, and may be considered a separate transmitter.
Reference Information
Schematic Reference
Remote Function Schematics (See: Diagrams/Electrical Diagrams)
