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Home >> Pontiac >> 2002 >> Aztek FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 657 (Keyless Entry System) >> Diagnostic Information & Procedures >> Symptoms - Keyless Entry
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Symptoms - Keyless Entry

WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. 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 - Remote Keyless Entry  before using the Symptom Tables in order to verify that all of the following are true.
    • There are no DTCs set.
    • The control module(s) 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 & Operation .
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