B1045 GMC - Audio Output 3 Left Rear Circuit
B1045 GMC Possible Causes
- Faulty Speaker Output 3
- Speaker Output 3 harness is open or shorted
- Speaker Output 3 circuit poor electrical connection
- Audio Amplifier
How do I fix code B1045 GMC?Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
B1045 02 Audio Output 3 Left Rear Circuit Short to Ground
B1045 04 Audio Output 3 Left Rear Circuit Open
Cost of diagnosing the B1045 GMC code
Labor: 1.0The cost of diagnosing the B1045 GMC code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
- Engine Light ON (or Service Engine Soon Warning Light)
B1045 GMC DescriptionThe Up-Level radio (UQA) supplies 4 channels of audio to an amplifier. The amplifier supplies 6 input signal channels to 8 speakers. The radio sets a current status for this Diagnostic Trouble Code (DTC) when a short to ground, short to voltage or an open is detected on any of the 6 speaker channel outputs from the radio.
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