BMW 320I 2012–2014 — technical service bulletin
Bulletin 540213 · NHTSA communication 10152352 · issued Sep 1, 2013
Technical service bulletin
communication type
Electrical System
component
2012–2014
model years
11
vehicle entries
Official summary
Sunroof Gets Stuck or Moves in Small Steps. During opening or closing the sunroof, one or more of the following situations may occur: 1. The sunroof becomes stuck 2. One-touch open and close no longer works 3. The sunroof moves in small steps. CAUSE Software error in the sunroof control module (FZD) Some or all of the following fault codes may be stored: 0x030212 - SHD: Activation timeout, no block recognition 0x030214 - SHD: Zero position passed, loss of calibration 0x030215 - SHD: Invalid characteristic curve, not normalized 0x030216 - SHD: 90% motor temperature threshold exceeded 0x030217 -
Vehicles covered
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.