Symptoms - Keyless Entry. GMC Truck Savana

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2005 🢒 Savana - AWD 🢒 General Information 🢒 Vibration Diagnosis and Correction 🢒 Symptoms - Keyless Entry

Important: The following steps must be completed before using the symptom tables.

Perform Diagnostic System Check - Vehicle in Vehicle DTC Information, 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.

Review the system operation in order to familiarize yourself with the system functions. Refer to Keyless Entry System Description and Operation .

•	Inspect for aftermarket devices which could affect the operation of the Keyless Entry System. Refer to Checking Aftermarket Accessories in Wiring Systems.

•	Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.

•	Inspect that the transmitter is the correct model for the vehicle. An incorrect model will not operate the keyless entry system.

Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.

Refer to Keyless Entry System Inoperative in order to diagnose the symptom.