NHTSA ID Number: 10171499
Manufacturer Communication Number: B662017
TSB/Document Date: 2020-02-18
Summary
DISPLAY KEY IS NON-FUNCTIONAL: This Service Information Bulletin (Revision 3) replaces SI B66 20 17 dated October 2019. The display key is non-functional. Display Key cannot be charged or switched on. An incorrect vehicle model appears on the key display. Possible defective display key battery or display key.
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TSB/Document ID: B662017
Replacement Service Bulletin Number:
MFR Communication Date: 2020-01-01
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: EQUIPMENT
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
2/3/2020
66 20 17_DISPLAY KEY IS NON-FUNCTIONAL
SIB 66 20 17
DISPLAY KEY IS NON-FUNCTIONAL
2020-01-24
This Service Information Bulletin (Revision 3) replaces SI B66 20 17 dated October 2019.
What’s New (Specific text highlighted):
Cause
Correction
Procedure
Parts information
MODEL
E-Series
G07
G12
G14
G15
G30
G32
Model Description
X7 Sports Activity Vehicle
7 Series Sedan
8 Series Convertible
8 Series Coupe
5 Series Sedan
640i xDrive Gran Turismo
Production Date
Affected Option Code
Produced from July 1st, 2015
Vehicles equipped with
option code 3DS (BMW
Display Key)
SITUATION
The display key is non-functional.
Display Key cannot be charged or switched on.
An incorrect vehicle model appears on the key display.
CAUSE
Possible defective display key battery or display key.
CORRECTION
After verification of complete failure, replace the display key battery or the display key.
PROCEDURE
For conditions that are similar to the situation described, perform the following steps in order to determine
whether the current key is functional:
1. Perform a soft reset of the display key by pressing and holding the On/Off button for a minimum of 28
seconds.
For display keys produced after 12/2017, a hardware reset should alternatively be performed.
To do so press and hold the lock and unlock buttons at the same time for more than 8 seconds.
Does the display key now function properly?
YES – return to customer.
NO – go to next step.
2. Try to charge the display key (preferably with the USB cable).
Can the display key now be turned on and off (while connected to the USB cable)?
YES – fully charge the display key and then return to customer.
Copyright ©2020 BMW of North America, Inc.
1/2
2/3/2020
66 20 17_DISPLAY KEY IS NON-FUNCTIONAL
NO – go to next step.
3. Remove the battery from the display key (as per instructions in attachment) and then reinsert the battery.
Did this fully reset the electronics and restore functionality?
YES – fully charge the display key and then return to customer
NO – keep the battery housing open and go to next step.
4. Examine the moisture indicator above the battery (as per instructions in attachment).
Is the indicator colored red?
YES – the display key has been subjected to excess moisture and is NOT replaceable under warranty.
NO – if the indicator is still white, the display key warranty has not been voided by excess moisture
exposure. Go to next step.
5. Does the display cannot be charge at all, or discharges very quickly?
YES – replace the display key battery. Refer to REP 66 12 150 “Removing and installing battery pack
of BMW display key”.
No – Go to next step.
6. If the above steps have not corrected the situation, replace the display key.
PARTS INFORMATION
Obtain and confirm the part numbers for your specific vehicle by entering the chassis number in either ETK
or AIR which takes into account specific equipment and/or options.
Part Number:
Description:
Quantity:
66 12 9 442 977
Refer to ETK
Battery Pack
Radio remote control with display
1
1
WARRANTY INFORMATION
This service information bulletin provides technical, diagnostic and repair-related information.
Supporting Materials
picture_as_pdf B662017_Attachment_DisplayKey.pdf
Copyright ©2020 BMW of North America, Inc.
2/2
Attachment to B662017
January 2020
DISPLAYKEY BATTERY RESET/EXCHANGE
How to remove the battery cover?
Step 1
Disassembly tool
Step 2
Step 3
Put the disassembly tool into the notch
Push and tilt the disassembly tool
Step 4
Step 5
The hook is loose
Removed battery cover
DO NOT disassemble battery cover from top side.
DISPLAYKEY WATER INDICATOR
white color: no water ingress
red color: water was in the key!
DISPLAYKEY SERIAL NUMBER
Serial-No on housing-label (probably already removed by dealer/customer):
Serial-No on inside label below the battery:
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