GM Service Manual Online
For 1990-2009 cars only

Important: 

   • Perform the Diagnostic System Check - Body Rear End
   • There are no DTCs set.
   • The control module(s) can communicate via the serial data link.
   • Review the system operation in order to familiarize yourself with the system functions.

Visual/Physical Inspection

    • Inspect for aftermarket devices which could affect the operation of the Rear Compartment Lid Release System. Refer to 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

Symptom List

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

Rear Compartment Lid Release Inoperative TRUNK OPEN Message Always On TRUNK OPEN Message Inoperative