B1025 GMC - Audio Output 1 Left Front Circuit

Repair Importance Level: 1/3
Repair Difficulty Level: 2/3
Table of contents

B1025 GMC Possible Causes

  • Faulty Speaker Output 1
  • Speaker Output 1 harness is open or shorted
  • Speaker Output 1 circuit poor electrical connection
  • Audio Amplifier

How do I fix code B1025 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.
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Tech Notes

B1025 01 Audio Output 1 Left Front Circuit Short to Battery
B1025 02 Audio Output 1 Left Front Circuit Short to Ground
B1025 04 Audio Output 1 Left Front Circuit Open

Cost of diagnosing the B1025 GMC code

Labor: 1.0

The cost of diagnosing the B1025 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.

Possible Symptoms

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

B1025 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.
OBDII Code B1025 Gmc - Audio Output 1 Left Front Circuit - AutoCodes.com

More Information

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