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Service bulletin 122609

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 id10148166
Published by NHTSA2018-11-13
Manufacturer's number122609
Manufacturer's date2014-12-01
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

N62TU: EDK Throttle Potentiometer Faults - Diagnostic. The "Service Engine Soon" and DSC/DTC warning lights are illuminated. Engine enters the power reduction ("fail-safe") mode. The following intermittent and "currently not present" EDK related faults may be stored in DME fault memory: ? 2CF8 - Throttle valve potentiometer, signal; and /or? 2CF9 - Throttle valve potentiometer 1, signal; and/or ? 2CFA - Throttle valve potentiometer 2; signal. In most cases DSC fault 5F77 (DME invalid data) may also be stored in DSC control module. These faults are sporadic and usually not reproducible. Resistance fluctuation in the EDK harness connector is causing an interruption of the EDK signal.

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

Electrical system

Vehicles listed
BMW 545I2004, 2005
BMW 550I2006, 2007, 2008, 2009, 2010
BMW 645CI2004, 2005
BMW 650I2006, 2007, 2008, 2009, 2010
BMW 745I2002, 2003, 2004, 2005
BMW 745LI2002, 2003, 2004, 2005
BMW 750I2006, 2007, 2008
BMW 750LI2006, 2007, 2008
BMW B7 ALPINA2007 to 2008
BMW X52007, 2008, 2009, 2010

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

Recalls for the same vehicles and component
20181952018-04-19. Electrical
12V5020002012-10-17. ELECTRICAL SYSTEM:IGNITION:SWITCH; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); POWER TRAIN:AUTOMATIC TRANSMISSION
20113762011-10-21. Electrical
20073342007-10-16. Electrical

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
B6110252026-09-28. Service bulletin. While performing a 12-Volt battery jump start, disconnect, or replacement, Vehicle test, and/or Programmingprocedure- the BMW Footwell Module (FRM) may become unresponsive. As a result, one or more of the following vehicle electric system-related issues may occur: Headlights including the high beams, and/or taillights are not turning on or off Interior lights are not turning on Turn indicators are not working Instrument cluster indicator lights stay on The IHKA climate control system is not working Power windows are not working Folding mirrors are not working, and/or a Functional remote-control key FOB will not unlock and lock the doors
B0120162026-05-18. Warranty extension. The Footwell Module (FRM) limited warranty for defects in materials and / or workmanship has been supplementarily increased to 15 years / 186,000 miles as determined from the original first in-service / delivery date.
B6110262026-04-27. Service bulletin. While performing a 12-Volt battery jump start, disconnect, or replacement, Vehicle test, and/or Programming procedure- the BMW Footwell Module (FRM) may become unresponsive. As a result, one or more of the following vehicle electric system-related issues may occur: Headlights including the high beams, and/or taillights are not turning on or off Interior lights are not turning on Turn indicators are not working Instrument cluster indicator lights stay on The IHKA climate control system is not working Power windows are not working Folding mirrors are not working, and/or a Functional remote-control key FOB will not unlock and lock the doors
B0120162025-03-21. Warranty extension. The Footwell Module (FRM) limited warranty for defects in materials and / or workmanship has been supplementarily increased to 15 years / 186,000 miles as determined from the original first in-service / delivery date.
B0120162025-02-24. Warranty extension. The Footwell Module (FRM) limited warranty for defects in materials and / or workmanship has been supplementarily increased to 15 years / 240,000 miles as determined from the original first in-service / delivery date.
B5108192024-02-01. Service bulletin. The basic conditions for initializing the power windows are not met.
B6113052024-02-01. Service bulletin. The electrical system of BMW vehicles has been subject to an ongoing development process over the last few years. This has led to increased demands being placed on the battery. This document covers important information for the dealer on how to handle “discharged battery” complaints.
B6534232023-12-06. Service bulletin. Customers may state that the alarm system (DWA) is not active after locking their unoccupied vehicle. Depending on the vehicle’s equipment and settings, no acoustic or optical confirmation (folding the mirrors/blinking confirmation) is noticeable. Additionally, the red anti-theft alarm LED in the interior mirror does not briefly flash every 2 seconds, indicating the alarm is armed.
B6101202022-10-31. Service bulletin. Customer is unable to power up or charge accessories through a plug adapter inserted in the front 12-volt power socket plug. Alternatively, it will only operate when constant downward hand pressure is maintained.
SIB6624192022-08-22. Service bulletin. Vehicle cannot be opened or closed using comfort access, engine start is not possible, and the vehicle may not start when placing the key against the steering column. Note: Opening, closing and starting via the BMW Digital Key or the Digital Key Card are not affected.