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Home >> GMC >> 2000 >> Savana G2500, Van Cargo Extended, 5.0 M >> Repair and Diagnosis >> External Pages >> Different car >> Section 828 (Horns) >> Diagnostic Information and Procedures >> Symptoms - Horns >> Notes

Symptoms - Horns: Notes

WARNING: This page is about a different car, the 2003 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: Perform Diagnostic System Check - Horns  before using the symptom tables in order to verify that all of the following are true:
  • There are no DTCs set.
  • The body control module (BCM) can communicate via the serial data link.

Review the system operation in order to familiarize yourself with the system functions. Refer to Horns System Description and Operation .
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