PIT5977B
Service Bulletin Details
Public Details for: PIT5977B
This preliminary information communicates to dealers that there is a known issue with a loss of audio and the concern is being investigated by gm engineering.
Models from 2023
| 2023 CHEVROLET SILVERADO 1500 |
| 2023 CHEVROLET SUBURBAN |
| 2023 CHEVROLET TAHOE |
| 2023 GMC SIERRA 1500 |
| 2023 GMC YUKON |
| 2023 GMC YUKON XL |
Models from 2022
| 2022 CHEVROLET SILVERADO 2500 |
| 2022 CHEVROLET SUBURBAN |
| 2022 CHEVROLET TAHOE |
| 2022 GMC SIERRA 1500 |
| 2022 GMC YUKON |
| 2022 GMC YUKON XL |
Bulletin No.: PIT5977B Published date: 03/31/2023 Preliminary Information PIT5977B Device Is Starting Message On Radio - No Audio Then Loud Audio Proactive Product Investigation Review Required Models Brand: Model: Model Years: VIN: from Engine: to Transmissions: Chevrolet Silverado 2022 - 2023 All All All All Chevrolet Suburban 2022 - 2023 All All All All Chevrolet Tahoe 2022 - 2023 All All All All GMC Sierra 2022 - 2023 All All All All GMC Yukon 2022 - 2023 All All All All GMC Yukon XL 2022 - 2023 All All All All Involved Region or Country GME, GMIO, GMNA, GMSA and Holden. Additional Options (RPO) IOK Condition: Condition 1: Some customers may comment that audio goes to max at start-up or during the drive cycle AND the customer is able to adjust the volume back down WITHOUT a key cycle or system reboot. Condition 2: Customer may also comment about a "Device is starting" message that comes across the radio screen. Condition These conditions may happen at the same time. They may also comment that the audio cut out before this message shows up, and when the audio returns it is louder than before the incident. Cause This may be caused by a software anomaly. Correction: Condition 1: Engineering is aware of this condition. Do not replace the Radio. Dealers are to call into TAC for further direction. Condition 2: Please refer to 23-NA-034 for available software x Warranty Information For vehicles repaired under the Bumper-to-Bumper coverage (Canada Base Warranty coverage), use the following labor operation. Reference the Applicable Warranties section of Investigate Vehicle History (IVH) for coverage information. Labor Operation 2889238 Description Labor Time Verify Max Audio Condition Verify Max Audio Condition 0.2 Hr. *This is a unique Labor Operation for Bulletin use only. Customer Information Please communicate to the customer that we apologize for this inconvenience and that General Motors is working on a solution for this concern. Once a solution is available, this PI will be updated with additional details allowing dealership personnel to contact the customer to schedule a service appointment and repair the vehicle. Version History Version Modi ed 2 02/01/2023 - Created on. 03/13/2023 - Updated correction section. 03/31/2023 - Updated correction and Admin details © 2023 General Motors. All Rights Reserved.