B1055 GMC Possible Causes
- Faulty Speaker Output 4
- Speaker Output 4 harness is open or shorted
- Speaker Output 4 circuit poor electrical connection
- Audio Amplifier
How do I fix code B1055 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.Tech Notes
B1055 01 Audio Output 4 Right Rear Circuit Short to BatteryB1055 02 Audio Output 4 Right Rear Circuit Short to Ground
B1055 04 Audio Output 4 Right Rear Circuit Open
Cost of diagnosing the B1055 GMC code
Labor: 1.0
The cost of diagnosing the B1055 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.Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
B1055 Gmc Description
The 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.
B1055 GMC More Information
Need more information on how to fix the B1055 GMC code?Get Access to Factory Service Manuals
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