Symptoms - Vehicle Access
Symptoms - Vehicle Access
Important: The following steps must be completed before using the symptom tables.
1. Perform the Diagnostic System Check - Vehicle (with HP2) (Initial Inspection and Diagnostic Overview)Diagnostic System Check - Vehicle (without HP2) (Initial Inspection and Diagnostic Overview) 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 the following system descriptions:
* Door Ajar Indicator Description and Operation (Description and Operation)
* Liftgate Description and Operation (Description and Operation)
* Power Door Locks Description and Operation (Description and Operation)
Visual/Physical Inspection
* Inspect for aftermarket devices which could affect the operation of the system. Refer to Checking Aftermarket Accessories (Component Tests and General Diagnostics).
* 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 (Component Tests and General Diagnostics).
Symptom List
Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:
* Liftgate Release Malfunction (Manual Liftgate) (Liftgate Release Malfunction (Manual Liftgate))
* Liftgate Ajar Indicator Malfunction (RPO TB7) (Liftgate Ajar Indicator Malfunction (RPO TB7))
* Liftgate/Liftgate Window Ajar Indicator Malfunction (Manual Liftgate) (Liftgate/Liftgate Window Ajar Indicator Malfunction (Manual Liftgate))Liftgate/Liftgate Window Ajar Indicator Malfunction (Power Liftgate) (Liftgate/Liftgate Window Ajar Indicator Malfunction (Power Liftgate))
* Door Ajar Indicator Malfunction (Door Ajar Indicator Malfunction)
* Power Door Lock Key Cylinder Switches Inoperative (Power Door Lock Key Cylinder Switches Inoperative)
* Power Door Locks Malfunction (Power Door Locks Malfunction)
* Power Liftgate Malfunction (Power Liftgate Malfunction)