Service action - program the body domain control (BDC) unit
BMW technical service bulletin B340820 for 2016-2020 BMW X1, 2016-2017 BMW X1 SAV and 2018-2021 BMW X2 and others.
- Bulletin number
- B340820
- Component
- Electrical system: body control module/bcm
- Summary
- SERVICE ACTION - PROGRAM THE BODY DOMAIN CONTROL (BDC) UNIT: Aftermarket scan tools cannot read fault codes in the Dynamic Stability Control (DSC) unit via the On-Board Diagnostic (OBD) socket. The DSC data is not processed correctly in the BDC and therefore cannot transmit any diagnostic requests via the OBD using aftermarket scan tools.
Owners of these vehicles have filed 61 complaints in the electrical category.
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