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NHTSA ID Number: 10114482
Manufacturer Communication Number: PIC5910C
Summary
This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B124B sym 04 in the HMI module. Technician should check the USB port operations if no issue found it should be considered a false code and no components should be replaced. If the USB port is inoperative technician should follow published Service Information diagnosis for Auxiliary Audio Input Malfunction.
20 Affected Products
Vehicles
| MAKE | MODEL | YEAR |
BUICK | LACROSSE | 2014-2015 |
| BUICK | REGAL | 2014-2015 |
| CADILLAC | ATS | 2015 |
| CADILLAC | CTS | 2015 |
| CADILLAC | ELR | 2015 |
| CADILLAC | SRX | 2015 |
| CADILLAC | XTS | 2015 |
| CHEVROLET | COLORADO | 2015 |
| CHEVROLET | CORVETTE | 2015 |
| CHEVROLET | IMPALA | 2015 |
| CHEVROLET | SILVERADO 2500 | 2015 |
| CHEVROLET | SUBURBAN | 2015 |
| CHEVROLET | TAHOE | 2015 |
| GMC | CANYON | 2015 |
| GMC | SIERRA 2500 | 2015 |
| GMC | SIERRA DENALI | 2015 |
| GMC | YUKON | 2015 |
| GMC | YUKON XL | 2015 |
Condition/Concern
The vehicles above set a false code B124B sym04 in the HMI module.
1 Associated Document
Manufacturer Communications
Bulletin No.: PIC5910C
Date: Apr-2015
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NHTSA ID Number: 10114416
Manufacturer Communication Number: PIC5910B
Summary
This Preliminary Information communication provides information to the technician about vehicles that may have Diagnostic Trouble Code B124B sym 04 set in the Human Machine Interface. When working on the 2014 model year Lacrosse the Human Machine Interface can be reprogrammed using Service Programming System. If working on a 2015 model year Lacrosse, Colorado, or Canyon engineering is currently working on new calibrations to correct this concern.
1 Associated Document
Manufacturer Communications
Bulletin No.: PIC5910B
Date: Feb-2015
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NHTSA ID Number: 10114371
Manufacturer Communication Number: PIC5910A
Summary
This Preliminary Information communication provides information to the technician about vehicles that may have a Diagnostic Trouble Code B124B sym 04 stored in the Human Machine Interface module. For model year 2014 the Human Machine Interface should be reprogrammed with the latest calibration from TIS2Web. For model year 2015 engineering is currently working on new calibrations to correct this concern.
1 Associated Document
Manufacturer Communications
Bulletin No.: PIC5910A
Date: Jan-2015
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NHTSA ID Number: 10094943
Manufacturer Communication Number: PIC5910A
Summary
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE A DIAGNOSTIC TROUBLE CODE B124B SYM 04 STORED IN THE HUMAN MACHINE INTERFACE MODULE. FOR MODEL YEAR 2014 THE HUMAN MACHINE INTERFACE SHOULD BE REPROGRAMMED WITH THE LATEST CALIBRATION FROM TIS2WEB. FOR MODEL YEAR 2015 ENGINEERING IS CURRENTLY WORKING ON NEW CALIBRATIONS TO CORRECT THIS CONCERN.
1 Associated Document
Manufacturer Communications
Bulletin No.: PIC5910A
Date: Jan-2015
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NHTSA ID Number: 10113232
Manufacturer Communication Number: PIC5910
Summary
This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B124B sym04 may be found in the HMI module with no other concerns observed. Technician will reprogram the Human Machine Interface module with the latest calibrations in TIS2Web.
1 Associated Document
Manufacturer Communications
Bulletin No.: PIC5910
Date: Sep-2013
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NHTSA ID Number: 10064024
Manufacturer Communication Number: PIC5910
Summary
SUMMARY TO BE PROVIDED ON A FUTURE DATE.
1 Associated Document
Manufacturer Communications
Bulletin No.: PIC5910
Date: September, 2013
MC-10064024-2273.pdf 219.701KB
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- High-speed USB 3.0 performance of up to 150MB/s(1) [(1) Write to drive up to 15x faster than standard USB 2.0 drives (4MB/s); varies by drive capacity. Up to 150MB/s read speed. USB 3.0 port required. Based on internal testing; performance may be lower depending on host device, usage conditions, and other factors; 1MB=1,000,000 bytes]
- Transfer a full-length movie in less than 30 seconds(2) [(2) Based on 1.2GB MPEG-4 video transfer with USB 3.0 host device. Results may vary based on host device, file attributes and other factors]
- Transfer to drive up to 15 times faster than standard USB 2.0 drives(1)
- Sleek, durable metal casing
- Easy-to-use password protection for your private files(3) [(3)Password protection uses 128-bit AES encryption and is supported by Windows 7, Windows 8, Windows 10, and Mac OS X v10.9 plus; Software download required for Mac, visit the SanDisk SecureAccess support page]
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- [Compatibilty and Interface]: Supports Windows 7 / 8 / 10 / Vista / XP / 2000 / ME / NT Linux and Mac OS. Compatible with USB 2.0 and below. High speed USB 2.0, LED Indicator - Transfer status at a glance.
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- 256GB ultra fast USB 3.1 flash drive with high-speed transmission; read speeds up to 130MB/s
- Store videos, photos, and songs; 256 GB capacity = 64,000 12MP photos or 978 minutes 1080P video recording
- Note: Actual storage capacity shown by a device's OS may be less than the capacity indicated on the product label due to different measurement standards. The available storage capacity is higher than 230GB.
- 15x faster than USB 2.0 drives; USB 3.1 Gen 1 / USB 3.0 port required on host devices to achieve optimal read/write speed; Backwards compatible with USB 2.0 host devices at lower speed. Read speed up to 130MB/s and write speed up to 30MB/s are based on internal tests conducted under controlled conditions , Actual read/write speeds also vary depending on devices used, transfer files size, types and other factors
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- Transfer speeds up to 10x faster than standard USB 2.0 drives (4MB/s); up to 130MB/s read speed; USB 3.0 port required. Based on internal testing; performance may be lower depending upon host device. 1MB=1,000,000 bytes
- Backward compatible with USB 2.0
- Secure file encryption and password protection(2)
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- Portability: The small hole on the thumbdrive USB is designed for lanyards, which is convenient to carry. Besides, the USB flash drive keychain can also be tied through the small hole to prevent loss. This design is very thoughtful and reflects the humanized design concept of the memorias USB flash drive.
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- FAT32 format: The default system format for 8GB flash drive is FAT32. FAT32 USB flash drive is widely applicable, such as in televisions, DVD players, vehicles, printers, embroidery machines, etc. Be patient if you have problems with system recognition. It may take some time for initial recognition, but it will happen.
Last update on 2025-05-08 / Affiliate links / Images from Amazon Product Advertising API
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SEOCONTENT-START
Bulletin No.: PIC5910C
Date: Apr-2015
| Subject: | False Code B124B sym04 Set Current in HMI Module with No Other Concerns Observed |
| Models: | 2014-2015 Buick LaCrosse, Regal |
| 2015 Cadillac ATS, CTS, Escalade, SRX, XTS | |
| 2015 Chevrolet Colorado, Corvette, Impala, Silverado, Suburban, Tahoe | |
| 2015 GMC Canyon, Sierra, Yukon |
This PI was superseded to update Model Years and Recommendation/Instructions. Please discard PIC5910B.
Condition/Concern
During diagnosis of any concern, technicians may find that the vehicles above set a false code B124B sym04 in the HMI module.
Recommendation/Instructions
If no concerns are noted when using the USB source and there are no USB-related customer complaints, ignore DTC B124B sym04 as it should be considered a false code and no components should be replaced for this false code. If the USB is inoperative, follow diagnosis for Auxiliary Audio Input Malfunction.
SEOCONTENT-END
