# 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.

- Type: Service bulletin
- NHTSA id: 10148166
- Published by NHTSA: 2018\-11\-13
- Manufacturer's number: 122609
- Manufacturer's date: 2014\-12\-01
- NHTSA component: ELECTRICAL 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

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2014/MC-10148166-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2014/MC-10148166-0001.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system

## Vehicles listed

- 2004 to 2005 BMW 545I
- 2006 to 2010 BMW 550I
- 2004 to 2005 BMW 645CI
- 2006 to 2010 BMW 650I
- 2002 to 2005 BMW 745I
- 2002 to 2005 BMW 745LI
- 2006 to 2008 BMW 750I
- 2006 to 2008 BMW 750LI
- 2007 to 2008 BMW B7 ALPINA
- 2007 to 2010 BMW X5

## Recalls for the same vehicles and component

- [2018195](/recalls/tc/2018195.md), 2018-04-19: Electrical
- [12V502000](/recalls/nhtsa/12V502000.md), 2012-10-17: ELECTRICAL SYSTEM:IGNITION:SWITCH; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); POWER TRAIN:AUTOMATIC TRANSMISSION
- [2011376](/recalls/tc/2011376.md), 2011-10-21: Electrical
- [2007334](/recalls/tc/2007334.md), 2007-10-16: Electrical

## Other bulletins for the same vehicles and component

- [B611025](/bulletins/11037510.md), 2026-09-28, Service bulletin: ELECTRICAL SYSTEM. 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
- [B012016](/bulletins/11032735.md), 2026-05-18, Warranty extension: ELECTRICAL SYSTEM. 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.
- [B611026](/bulletins/11031570.md), 2026-04-27, Service bulletin: ELECTRICAL SYSTEM. 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
- [B012016](/bulletins/11015849.md), 2025-03-21, Warranty extension: ELECTRICAL SYSTEM. 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.
- [B012016](/bulletins/11014417.md), 2025-02-24, Warranty extension: ELECTRICAL SYSTEM. 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.
- [B510819](/bulletins/10249437.md), 2024-02-01, Service bulletin: VISIBILITY:POWER WINDOW DEVICES AND CONTROLS; ELECTRICAL SYSTEM. The basic conditions for initializing the power windows are not met.
- [B611305](/bulletins/10249027.md), 2024-02-01, Service bulletin: ELECTRICAL SYSTEM. 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.
- [B653423](/bulletins/10245422.md), 2023-12-06, Service bulletin: EQUIPMENT; ELECTRICAL SYSTEM. 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.
- [B610120](/bulletins/10225115.md), 2022-10-31, Service bulletin: ELECTRICAL SYSTEM. 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.
- [SIB662419](/bulletins/10218384.md), 2022-08-22, Service bulletin: ELECTRICAL SYSTEM; EQUIPMENT. 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.

JSON: [/v1/bulletins/10148166](/v1/bulletins/10148166)

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