All Speakers Inoperative

1. Speaker output shorted - Test all speaker outputs for a short. Refer to Circuit Testing, and to Wiring Repairs in Diagnostic Aids.
2. Faulty radio - Replace the radio. Refer to Radio Replacement.

"For a description of the RPO Code(s) shown in this article or any of the images therein, refer to the RPO Code List found at Vehicle/Application ID". RPO Codes