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DTC B1025, B1035, B1045 OR B1055 Circuit Description When the radio is powered up, the radio supplies low level audio signals to the speakers. If the DTC Descriptors This diagnostic procedure supports the following DTCs: DTC B1025 Audio Output 1 (Left Front) Circuit DTC B1035 Audio Output 2 (Right Front) Circuit DTC B1045 Audio Output 3 (Left Rear) Circuit DTC B1055 Audio Output 4 (Right Rear) Circuit Conditions for Running the DTC The test is performed when the radio switches from OFF to ON. The radio will continue to test Conditions for Setting the DTC 1 Did you perform the Diagnostic System Go to Step 2 Go to 2 1. Install a scan tool. 2. Turn ON the ignition, with the engine OFF. 3. With a scan tool, configure the module to the vehicle. Does the DTC reset? Go to Step 3 System OK 3 Replace the module. Refer to Control System OK -
2007 Hummer H3 2007 ACCESSORIES AND EQUIPMENT Cellular, Entertainment and Navigation - H3
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