Brake Light Remains Lit After Brake Pedal Release (SI B63 01 21)

BRAKE LIGHT REMAINS LIT AFTER BRAKE PEDAL RELEASE

TECHNICAL SERVICE BULLETIN

SITUATION

The trunk-mounted brake light remains lit for several seconds after the brake pedal is released. The length of time will vary depending on ambient temperature and voltage supply.

This can occur on either side.

CAUSE

A manufacturing error can cause the voltage supply to continue uninterrupted after releasing the brake pedal.

CORRECTION

Inspect the date of production of the affected taillight and replace if necessary.

PROCEDURE

1. Remove the trunk-mounted brake light on the affected side following ISTA repair instructions REP 63 21 279 "Removing and installing left light of trunk lid". 
2. Inspect the identification label for the production date of the light as shown below:
3. The label to be inspected is shown in detail below. There are two labels, each with a date code. The label with applicable date code is shown in green. The label shown in red is not applicable and can be ignored.
4. Is the date code shown above in green produced after September 28, 2020?

   Yes: Continue troubleshooting, this bulletin does not apply.

   No: Replace the trunk mounted taillight following ISTA repair instructions REP 63 21 279 "Removing and installing left light of trunk lid". 

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
Refer to AIR/ETK	Rear light in trunk lid, left	1 if necessary
Refer to AIR/ETK	Rear light in trunk lid, right	1 if necessary

WARRANTY INFORMATION

Covered under the terms of the BMW New Vehicle Limited Warranty for Passenger Cars and Light Trucks.

Defect Code:	6321157900	Tailgate/split door rear light incorrect connection/contact
-
Labor Operation	Description		Labor Allowance
63 21 282	Replacing right  trunk lid tail light (Main work)		Refer to AIR
Or:
63 21 782	Replacing right  trunk lid tail light (Plus work)		Refer to AIR
Or:
63 21 280	Replacing left  trunk lid tail light (Main work)		Refer to AIR
Or:
63 21 780	Replacing left  trunk lid tail light (Plus work)		Refer to AIR
Or:
63 21 286	Replacing both  trunk lid tail lights (Main work)		Refer to AIR
Or:
63 21 786	Replacing both  trunk lid tail lights (Plus work)		Refer to AIR
And, as applicable:
61 00 009*	Work time to inspect the identification label's production date (one or both sides)		1 FRU (one side); 2 FRU (both sides)
Or
00 58 000*	Diagnosis Worktime Flat Rate (See below)		2 FRU

Only one  Main flat rate labor operation code can be claimed per workshop visit.

If you are using a Main labor code for another repair, use the Plus code labor operation above that applies instead of the Main labor code.

Refer to AIR for the corresponding flat rate unit (FRU) allowances.

Work time labor operation codes 61 00 009 and 00 58 000 are not considered Main labor operations.

*As applicable to your center, please refer to SI B01 01 20  or  B01 07 20  for claiming your diagnosis work time, job/repair work time (WT), RO/Claim WT and/or repair explanation procedures, unless otherwise required by State law.

QUESTIONS REGARDING THIS BULLETIN

Technical inquiries	Submit feedback at the top of this bulletin
Warranty inquiries	Please contact the Warranty department by either using the Live Chat that's available in the Warranty Documentation Portal or through IDS by selecting Coverage, Policy, Coding Questions and Mileage Corrections
Parts inquiries	Submit an IDS ticket to the Parts Department