# B101D on the 2018 Chevrolet Express

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

This code is specific to a manufacturer and is not described here.

## Bulletins for this model year that name B101D

- [10157041](https://open.wenmarpro.com/bulletins/10157041), 2019-04-08: This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D stored in Telematics Communication Interface Control Module. Technician will use Global Diagnostic System 2 to review the Firmware Over\-the\-Air version. If the Firmware Over\-the\-Air version on the scan tool equals 6708 the technician will need to contact General Motors Technical Assistance Center for further assistance. If the Firmware Over\-the\-Air version on the scan tool is lower than 6708 Dealer can order the part thought the Instrument Sales and Service website process.