12/1/22, 9:38 AM

65 01 22_KNEE AIR BAG CHECK CONTROL MESSAGE G01 VARIANTS

SIB 65 01 22
KNEE AIR BAG CHECK CONTROL MESSAGE G01 VARIANTS

2022-11-30

This Service Information Bulletin (Revision 4) replaces SI B65 01 22 dated June 2022.
What’s New:
Models and production dates clarified
Claim Information – Defect code change
Additional fault codes added

MODEL
E-Series

Model Year

F97
F98
G01
G01

2020 to 2021
2020 to 2021
2019 to 2021
2018 to 2021

Model
Description
X3 M
X4 M
X3 sDrive30i
X3 xDrive30i

G01
G01
G02
G02

2020 to 2021
2018 to 2021
2019 to 2021
2019 to 2021

X3 xDrive30e
X3 M40i
X4 xDrive30i
X4 M40i

Production Dates

Affected
Option Code

March 11, 2019, to July 28, 2021
March 11, 2018, to July 28, 2021
March 11, 2018, to July 28, 2021
July 14, 2017, to July 28, 2021
December 17, 2019, to July 26,
2021
July 12, 2017, to July 28, 2021
March 13, 2018, to July 28, 2021
March 13, 2018, to July 26, 2021

All US vehicles
are equipped
with Knee Air
Bags as
standard
equipment

SITUATION
A check control message for the restraint system appears. In the instrument cluster, the red air bag warning
light lights up permanently.
One of the following fault codes is stored in the ACSM (air bag control unit):
930949 - Knee airbag, driver: short circuit to negative terminal
93094F - Knee airbag, front passenger: short circuit to negative terminal
93094C - Knee airbag driver's side: Resistance too great
930952 - Knee airbag, front passenger: Resistance too great

CAUSE
The wiring harness going to the knee air bag(s) may be rubbing against the support tube of the instrument
panel.

CORRECTION
Remove the center console to access the ACSM control module.
Remove the knee air bags on both sides of the vehicle.
This gives sufficient access to perform this repair.
The dashboard cover does not need to be removed.
The knee air bag harnesses end connectors are cut off and the wiring taped back to the harness.
Run the new air bag repair wiring harnesses from the ACSM control module to both knee air bags.

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65 01 22_KNEE AIR BAG CHECK CONTROL MESSAGE G01 VARIANTS

The replacement harnesses do not need to follow the same exact routing path as the original.
Both replacement harnesses are to be installed, even if there is only a fault showing for one side.

PROCEDURE
1- Perform a vehicle test with ISTA.
2- Remove the center console as per Repair
Instructions 51 16 165 to access the Air Bag
Control Module A11 (ACSM) wiring connector
(A11*2B).
Check the ACSM module for signs of
corrosion within the electrical connectors.

3- Follow Repair Instructions 72 12 004 to remove the driver’s knee air bag.
Unplug the connector (B8*1B) on the knee air bag on the driver's side
Cut the knee air bag wiring harness near the connector and tie back the cut wiring with a cable strap
4- Follow Repair Instructions 72 12 006 to remove the passenger’s knee air bag.
Unplug the connector (B77*1B) on the knee air bag on the passenger’s side
Cut the knee air bag wiring harness near the connector and tie back the cut wiring with a cable strap
The repair wiring will be run together with the additional harness protection addressed in the
next steps
5- Apply felt tape to the locations pictured.

6- The knee air bag wiring should be

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65 01 22_KNEE AIR BAG CHECK CONTROL MESSAGE G01 VARIANTS

protected from chafing at the dash support
bracket.
Glue the felt generously onto the support tube or to
the corresponding edge.
(Felt tape part number 54 34 7 248 700).

Important: The felt must be glued around the
edge!

7- The replacement harness does not need to
follow the same exact path as the original.
Install felt tape in any other potential chafe
location.

8- Unplug the wiring connector from the ACSM (A11*2B).
Reference Wiring Diagram ‘Airbag firing circuits’ SP0000061332 and confirm the wire color and pin
number BEFORE cutting these 4 wires at the ACSM connector.
9- Cut the 4 wires for the knee air bag wiring harnesses near the ACSM connector and tie back the 4 cut
wires with a cable strap.
ACSM Pin 25 (A11*2B) goes to pin 1 of driver knee air bag (B8*1B).
ACSM Pin 20 (A11*2B) goes to pin 2 of driver knee air bag (B8*1B).
ACSM Pin 5 (A11*2B) goes to pin 1 of passenger knee air bag (B77*1B).
ACSM Pin 10 (A11*2B) goes to pin 2 of passenger knee air bag (B77*1B).

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65 01 22_KNEE AIR BAG CHECK CONTROL MESSAGE G01 VARIANTS

Then pin 2 repair cables into the airbag control unit connector (A11*2B).
Wrap the knee wiring harnesses with an abrasion-resistant fabric tape (part number 61 13 6 925 452).
Route one repair harness to the knee airbag on the driver's side and the other to the knee air bag on the
passenger’s side. The replacement harness does not need to follow the same exact path as the original.

PARTS INFORMATION

When applicable, obtain and confirm the part numbers for your specific vehicle by entering the chassis
number in either ETK or AIR which considers specific equipment and/or options.
Part Number
61 12 5 A56 386
61 13 6 925 452

Description
Repair wiring for airbag system (Knee air bag)
Fabric adhesive tape abrasion resistant (25 mm)

Quantity
2
As needed

Bulk Materials - Sublet
54 34 7 248 700

Felt strip, self-adhesive (130x40x3 mm)

Sublet as needed

CLAIM INFORMATION
Covered under the terms of the BMW New Vehicle Limited Warranty for Passenger Cars and Light Trucks.
Defect Code:

6112900300

G0x F9x Check Control message, restraint system (wiring
harness, knee airbag)

Refer to AIR for the corresponding flat rate unit (FRU) allowance.
Labor Operation

Description

Labor
Allowance

00 00 006

Performing vehicle test (with vehicle diagnosis system –
checking faults) (Main work)

Refer to AIR

Performing vehicle test (with vehicle diagnosis system –
checking faults) (Plus work)

Refer to AIR

Support voltage of the vehicle electrical system / recharge
vehicle electrical system battery

Refer to AIR

Or:
00 00 556
And:
61 21 528

If you are using a Main labor code for another repair, use the Plus code labor operation 00 00 556 instead of
00 00 006, or exclude (including 61 21 528) when the Vehicle Test is included in another repair.
And, as necessary:
Labor Operation

Description

61 00 006*
Or
00 58 500*
And:

Performing vehicle diagnosis – test module

Labor
Allowance
Work time (WT)

Diagnosis Worktime Flat Rate (See below)

2 FRU

Removing and installing/replacing airbag module for
driver's knee protection

Refer to AIR

Removing and installing/replacing airbag module for
passenger knee protection

Refer to AIR

72 12 504
And:
72 12 506

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65 01 22_KNEE AIR BAG CHECK CONTROL MESSAGE G01 VARIANTS

And:
51 16 665
And:

Completely removing and installing center console

Refer to AIR

00 72 587

Install repair cable of left or right knee airbag (Associated
work, after vehicle diagnosis) (center console removed)

4 FRU

Install repair cable of left or right knee airbag for the other
side (Associated work, after vehicle diagnosis) (center
console removed)

4 FRU

And:
00 72 587

Work time labor operation codes 61 00 006 and 00 58 500 are not considered a Main labor operations.
*Based on which one applies to your center, please refer to SI B01 01 20 or B01 07 20 for the applicable