BMW 228I 2011–2015 — technical service bulletin
Bulletin 123314 · NHTSA communication 10148168 · issued Dec 1, 2014
Technical service bulletin
communication type
Power Train
component
2011–2015
model years
30
vehicle entries
Official summary
Fault Code 1D2008 Stored in DME. The Service Engine Soon light is on. Fault Code 1D2008: Map thermostat: jammed open is stored in the DME. There may also be a complaint of low heat output with lower outside temperatures. CAUSE During the engine warm-up, the engine coolant does not reach operating temperature within the DME's allowable time limits. This is caused by either a faulty thermostat inside the transmission oil heat exchanger or a faulty engine characteristic map thermostat.
Vehicles covered
- 2014 BMW 228I
- 2015 BMW 228I
- 2013 BMW 320I
- 2014 BMW 320I
- 2015 BMW 320I
- 2014 BMW 328D
- 2015 BMW 328D
- 2012 BMW 328I
- 2013 BMW 328I
- 2014 BMW 328I
- 2015 BMW 328I
- 2012 BMW 335I
- 2013 BMW 335I
- 2014 BMW 335I
- 2015 BMW 335I
- 2014 BMW 428I
- 2015 BMW 428I
- 2014 BMW 435I
- 2015 BMW 435I
- 2013 BMW Activehybrid 3
- 2014 BMW Activehybrid 3
- 2015 BMW Activehybrid 3
- 2014 BMW M235I
- 2015 BMW M235I
- 2011 BMW X3
- 2012 BMW X3
- 2013 BMW X3
- 2014 BMW X3
- 2015 BMW X3
- 2015 BMW X4
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.