BMW 525D Xdrive 2014–2017 — technical service bulletin
Bulletin B180316 · NHTSA communication 10146820 · issued Sep 1, 2016
Technical service bulletin
communication type
Engine and Engine Cooling
component
2014–2017
model years
9
vehicle entries
Official summary
DDE FAULT CODE: 28DE00 - EXHAUST GAS PRESSURE SENSOR BEFORE TURBINE, PLAUSIBILITY. After performing repairs where the engine harness was disconnected and reconnected at the differential pressure and the exhaust pressure sensor, the following fault is then stored in the DDE: 28DE00 - Exhaust gas pressure sensor before Turbine, plausibility: exhaust gas pressure in front of turbine dynamically not plausible
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.