Service Information

Volt

Symptoms - Vehicle Access

Note: 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 familiarise yourself with the system functions. Refer to the following systems description:

•	Door Ajar Indicator Description and Operation

•	Rear Hatch/Gate Description and Operation

•	Power Door Locks Description and Operation

•	Tailgate Ajar Indicator Description and Operation

•	Fuel Fill Door Description and Operation

•	Charge Port Door Description and Operation

•	Inspect for aftermarket devices which may 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 may 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:

•	Power Door Lock Key Cylinder Switches Malfunction

•	Door Ajar Indicator Malfunction

•	Exterior Door Handle Switch Malfunction - DTC B1474, B1534, B1535, or B3849

•	Power Door Locks Malfunction

•	Power Door Child Lock Malfunction

•	Hatch Release Malfunction

•	Rear Hatch/Gate Ajar Indicator Malfunction

•	Fuel Filler Door Release Malfunction

•	Fuel Filler Door Ajar Indicator Malfunction

•	Charger Door Release Malfunction

•	Charger Door Ajar Indicator Malfunction