Navigation System - Voice Recognition Inoperative

NAVIGATION SYSTEM - VOICE RECOGNITION INOPERATIVE

CIRCUIT/SYSTEM TESTING
1. Verify the OnStar(R) voice recognition is operating normally.
- If the OnStar(R) voice recognition is inoperative, refer to Voice Recognition Inoperative. Voice Recognition Inoperative
- If the OnStar(R) voice recognition operates normally, test the audio mic in circuits for an open, short to ground or a short to power. If all circuits test normal replace the radio.

REPAIR INSTRUCTIONS
Perform the Diagnostic Repair Verification after completing the diagnostic procedure. Verification Tests

Control Module References for radio replacement, setup, and programming. Programming and Relearning