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Home >> Chevrolet >> 2000 >> Astro Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1481 (Keyless Entry System) >> Diagnostic Information & Procedures >> Symptoms - Keyless Entry >> Notes

Symptoms - Keyless Entry: Notes

WARNING: This page is about a different car, the 2002 GMC Safari and 2002 Chevrolet Astro. 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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