Symptoms - Vehicle Access. Chevrolet Chevy Suburban

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2009 🢒 Chevy Suburban - 2WD 🢒 Body Systems 🢒 Adjustable Pedals 🢒 Symptoms - Vehicle Access

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

Perform the 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.

Review the system operation in order to familiarize yourself with the system functions. Refer to the following system descriptions:

•	Door Ajar Indicator Description and Operation

•	Liftgate Description and Operation

•	Power Door Locks Description and Operation

•	Inspect for aftermarket devices which could affect the operation of the system. Refer to Checking Aftermarket Accessories.

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

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

Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:

•	Liftgate Release Malfunction

•	Liftgate Ajar Indicator Malfunction

•	Liftgate/Liftgate Window Ajar Indicator Malfunction

•	Door Ajar Indicator Malfunction

•	Power Door Lock Key Cylinder Switches Inoperative

•	Power Door Locks Malfunction

•	Power Liftgate Malfunction