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Home >> Oldsmobile >> 2004 >> Bravada AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1748 (Keyless Entry System) >> Diagnostic Information and Procedures >> Symptoms - Keyless Entry >> Notes
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Symptoms - Keyless Entry: Notes

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2005 Isuzu Ascender, 2005 GMC Envoy XUV, 2005 GMC Envoy XL, 2005 GMC Envoy, and 2005 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: The following steps must be completed before using the symptom tables.
  1. 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.
  2. Review the system operation in order to familiarize yourself with the system functions. Refer to Keyless Entry System Description and Operation .
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