# B2B0E on the 2020 GMC Sierra

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 B2B0E

- [10249969](https://open.wenmarpro.com/bulletins/10249969), 2024-02-12: This Preliminary information communicates diagnostic tips when trying to root cause a SES MIL with DTC's B2B0D and B2B0E. Main cause is aftermarket electrical devices spliced into the ignition main fuses.
- [10231640](https://open.wenmarpro.com/bulletins/10231640), 2023-02-13: This Preliminary information communicates diagnostic tips when trying to root cause a SES MIL with DTC's B2B0D and B2B0E. Main cause is aftermarket electrical devices spliced into the ignition main fuses.
- [10201313](https://open.wenmarpro.com/bulletins/10201313), 2021-09-13: This Preliminary information communicates diagnostic tips when trying to root cause a SES MIL with DTC's B2B0D and B2B0E. Main cause is aftermarket electrical devices spliced into the ignition main fuses.
- [10174869](https://open.wenmarpro.com/bulletins/10174869), 2020-05-11: This Preliminary information communicates diagnostic tips when trying to root cause a SES MIL with DTC's B2B0D and B2B0E. Main cause is aftermarket electrical devices spliced into the ignition main fuses.
- [10174439](https://open.wenmarpro.com/bulletins/10174439), 2020-05-04: This engineering information \(EI\) is requesting information from the field on conditions of Service Engine Soon \(SES\) Lamp Illuminated, DTCs B2B0D and/or B2B0E Central Gateway Module Codes Unable to Communicate with HSLAN or LSLAN. Eng is attempting to root cause condition and validate a field fix.
- [10169366](https://open.wenmarpro.com/bulletins/10169366), 2019-12-16: This engineering information \(EI\) bulletin is requesting information from the field on conditions of Service Engine Soon \(SES\) Lamp Illuminated, DTCs B2B0D and/or B2B0E Central Gateway Module Codes Unable to Communicate with HSLAN or LSLAN. Eng is attempting to root cause condition and validate a field fix.