Engine-Codes - GMC - B1055 GMC

B1055 GMC Code - Audio Output 4 Right Rear Circuit

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- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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|What are the Possible Causes of the Code B1055 GMC?

  • Faulty Speaker Output 4
  • Speaker Output 4 harness is open or shorted
  • Speaker Output 4 circuit poor electrical connection
  • Audio Amplifier

|How to Fix the B1055 GMC Code?

Start by checking 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.

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|Code B1055 GMC Tech Notes

B1055 01 Audio Output 4 Right Rear Circuit Short to Battery
B1055 02 Audio Output 4 Right Rear Circuit Short to Ground
B1055 04 Audio Output 4 Right Rear Circuit Open

|What is the Cost to Diagnose the Code B1055 GMC?

Labor: 1.0

The cost to diagnose the B1055 GMC code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

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|What are Code B1055 GMC Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

|What Does the B1055 GMC Code Mean?

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 Code - Audio Output 4 Right Rear Circuit

|Need more Information on the B1055 GMC Code?

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|Need Help with the B1055 GMC Code?

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