BMW 530E 2016–2018 — technical service bulletin
Bulletin B661117 · NHTSA communication 10146771 · issued Sep 1, 2017
Technical service bulletin
communication type
Vehicle Speed Control
component
2016–2018
model years
9
vehicle entries
Official summary
ACC (ACTIVE CRUISE CONTROL): CANNOT DELETE FAULT CODE 022126. ACC fault code 022126 does not delete from ACC control unit fault code memory. May occur in combination with under-voltage fault codes: * BDC 0x80402F - Battery deeply discharged * BE6: 0x801405 - Under-voltage detected Insufficient control unit software.
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.