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Service bulletin B340716

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10146823
Published by NHTSA2018-11-05
Manufacturer's numberB340716
Manufacturer's date2016-09-01
NHTSA componentPARKING BRAKE

NHTSA's summary

"PARKING BRAKE DOES NOT WORK. Parking brake (EMF) sporadically or permanently fails to engage. Check Control Message (CCM) ""Parking brake failed"" is displayed. One or more of the following fault codes are stored in the EMF control unit: o 0x6023 - PER_POWER_ SUPPLY o 0x600E - ECU_RELAY_MOSFET o 0x6011 - ECU_MOTOR_CIRCUIT o 0x600C - PER_BUTTON_RAW o 0x6019 - PER_BUTTON_APPLY o 0x6020 - PER_BUTTON_RELEASE o 0x6021 - PER_IGN_WAKE o 0x6022 - PER_WHEEL_SPEED o 0xD387 - CAN_BUS Damaged wiring harness Defective electromechanical parking brake (EMF) actuator unit."

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Brakes, Parking brake

Vehicles listed
BMW X52007, 2008, 2009, 2010, 2011, 2012, 2013
BMW X5 M2010 to 2012
BMW X62008, 2009, 2010, 2011, 2012, 2013, 2014
BMW X6 M2010 to 2012

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
SI B34 01 082008-08-22. Service bulletin. THE PARKING BRAKE WARNING IS ILLUMINATED AND FAULT CODE 6032 IS STORED. FOR MODEL E70 (X5). *PE