Sme fault code 21F04B.
BMW technical service bulletin B612817 for 2016-2017 BMW X5, 2012-2016 BMW 328I and 2017 BMW 330I and others.
- Bulletin number
- B612817
- Component
- Engine and engine cooling
- Summary
- "SME FAULT CODE 21F04B. One or several of the following check control messages (CCM) may be displayed: ""Engine fault! Power loss"" (CCM-ID: 29) ""Powertrain malfunction!"" (CCM-ID: 633) ""Hybrid system malfunctioning!"" (CCM-ID: 585) Note: The fault code 21F04B stated below may also be entered without any of the above mentioned CC messages being displayed A timing problem between the SME and the cell supervision circuit (CSC)."
Owners of these vehicles have filed 580 complaints in the engine category.
Vehicles covered
- BMW X5 2016-2017 20162017
- BMW 328I 2012-2016 20122013201420152016
- BMW 330I 2017 2017
- BMW 335I 2012-2016 20122013201420152016
- BMW 530I 2017-2018 20172018
- BMW 750LI 2016 2016
- BMW 540I 2017 2017
- BMW 550I 2017 2017
- BMW 328D 2014-2017 2014201520162017
- BMW 320I 2013-2017 20132014201520162017
- BMW 530E 2018 2018
- BMW 330E 2016-2017 20162017
- BMW 340I 2016-2017 20162017
- BMW Active Hybrid 3 2013-2015 201320142015
- BMW R Nine T 2017 2017
- BMW 540D 2018 2018
- BMW F800 R 2017 2017
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