3/11/25, 2:12 PM

64 03 25_CHECK ENGINE LIGHT ON FROM MISSING MESSAGE DTC IN IHKA

2025-03-10
This Service Information Bulletin (Revision 3) replaces SI B64 03 25 dated February 28, 2025.
What’s New:
Model G09 added
Procedure: RSU 24-11-574 added
☐

THIS REPAIR IS MOBILE FRIENDLY

MODEL
E-Series
G05
G09

Model Description
X5 xDrive50e
BMW XM

Production Date
Vehicles produced from July 2024 to March 2025
Vehicles produced up to March 2025

Engine
XB1N
XB1T

SITUATION
Check Engine Light is illuminated, check control message indicates “bring in for service”. The faults
themselves and the Malfunction Indicator Lamp (MIL) have no functional effect on the vehicle.
There are multiple missing message fault codes (DTC) stored in the integrated automatic heating/air
conditioning system (IHKA) control unit.
These faults may include:
E71458 - AC-LIN: Message EKMV20
E71459 - AC-LIN: Message EDH.

CAUSE
Software in the IHKA control module.
On-Board Diagnostics (OBD) requires monitoring of the multiple battery cooling control modules
communication to the engine control module. If communication is interrupted, a Check Engine Light can
result.

CORRECTION
Program/encode the IHKA control module.
The missing message faults will no longer appear, unless relevant, once the vehicle is updated with ISTA
4.52.15 to I-Level 25-03-530 (Backup I-level S18A-24-11-570)

PROCEDURE
Determine the vehicle’s current integration level (I-Level) by either using AIR or the Key Reader ISPA
Next/AWP (Aftersales Workplace) applications.
1.Is the current vehicle I-level lower than:
Model
Target integration level
G05, G09 S18A-25-03-530
Or
S18A-24-11-570
YES: Proceed to Step 2
NO: Further diagnosis with ISTA is needed
2. Program the vehicle using ISTA 4.52.15 or higher (released February 21, 2025).
Model
Target integration level

Copyright ©2025 BMW of North America, Inc.
about:blank

1/5

3/11/25, 2:12 PM

G05, G09

64 03 25_CHECK ENGINE LIGHT ON FROM MISSING MESSAGE DTC IN IHKA

S18A-25-03-530
Or
S18A-24-11-570

Special Note: Currently there is an Execution Break and the backup I-Level needs to be used S18A24-11-570.
This backup I-Level has the improved software needed for the IHKA.
After the programming has been fully completed, check the functionality of the system.
Note: ISTA will automatically reprogram and code all programmable control modules that do not have the
latest software.
Always connect a BMW-approved battery charger/power supply (SI B04 23 10).
For information on programming and coding with ISTA, refer to TIS / Technical Documentation / Diagnostics
and Programming / Programming Documentation.
A Remote Software Update (RSU) update with 24-11-574 I-Level is scheduled to be released to these
vehicles on Monday March 17, 2025. Once the RSU is available, customers will be able to correct the issue
on their own.

PARTS INFORMATION
Part exchange of the IHKA control unit does not provide a solution.

CLAIM INFORMATION
Vehicle Programming and Encoding
During this workshop visit, the affected vehicle may also show one or more programming and encoding Technical Campaign
repairs open, the programming and encoding procedure may only be invoiced one time.
Select one of these open Technical Campaigns instead to perform and submit for updating the vehicle to the
required I-level, or higher when applicable (Includes labor operation codes 00 00 006/556, 61 21 528 and 61 00 730).
Please be sure to also perform any additional before and/or after work (including attaching labels) as required by
the open campaigns on the vehicle. Close any other open programming and encoding Campaign repairs as outlined
in the corresponding Service Information Bulletin.

Only when the above does not apply, the BMW software solution is then covered under the terms of the
BMW New Vehicle Limited Warranty for Passenger Cars and Light Trucks, or the BMW Certified Pre-Owned
Program as described below.
Repair Code:

6411230200

Control unit of front heating and air conditioning system
Software error / internal device fault

Obtain the flat rate unit (FRU) allowances for the following that applies.

Labor
Operation
00 00 006

Description

Labor Allowance

Carrying out vehicle test (Main work)

As applicable

Carrying out vehicle test (Plusposition work)

As applicable

Supporting voltage of the vehicle electrical system /
recharging vehicle battery

As applicable

Or:
00 00 556
And:
61 21 528

Copyright ©2025 BMW of North America, Inc.

about:blank

2/5

3/11/25, 2:12 PM

64 03 25_CHECK ENGINE LIGHT ON FROM MISSING MESSAGE DTC IN IHKA

And, as needed:
61 00 006*

Carrying out vehicle diagnosis, ABL (Work time)

WT FRU

Diagnosis Worktime Flat Rate

2 FRU

Program/encode control unit(s), includes deleting the fault
memory

As applicable

Or:
00 58 500*
And:
61 00 730

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 them (including 61 21 528) when the Vehicle Test is included in another repair.
Work time labor operation codes 61 00 006 and 00 58 500 are not considered Main labor operations.
Vehicle Programming and Encoding – Additional Work (RO and Claim Comments Required)
This procedure automatically reprograms and encodes any vehicle control modules that do not have the latest software Ilevel.

If one or more control modules fail during the reprogramming procedure, claim the required consequential
repair work procedures to address this issue (including performing the IRAP Control Unit Recovery first as
required, refer to the SIB in AIR) under the Repair Code in this bulletin together with the corresponding labor
operation codes and their flat rate unit (FRU) allowance(s), including the diagnosis* that applies.
Please explain the additional work procedures that were performed (The why and the what) on the repair order and in the
claim comments.

For covered repairs that address control module failures that occurred prior to performing this
reprogramming procedure, claim this work with the appliable Repair Code listed in AIR together with the
corresponding labor operation codes and their flat rate unit (FRU) allowance(s), including the diagnosis* that
applies.
(*) Based on which one applies to your center, please refer to SI B01 01 20 or B01 07 20 for the applicable procedure for
documenting, claiming, and explaining, on the RO and in the claim comments, your diagnosis work time (WT), job/repair
work time (WT), and the vehicle repairs your center performed, unless otherwise required by State law.

Other Repairs
If other eligible and covered work is performed because of performing the ISTA diagnostics, related test
plans, and/or other approved diagnosis procedures, claim this work with the applicable Repair Code listed in
AIR together with the corresponding labor operation codes and their flat rate unit (FRU) allowance(s),
including the diagnosis* that applies.
BMW Group’s AIR Application Resource for Flat Rate Labor Operation Codes
To obtain the corresponding flat rate unit (FRU) allowance information from the BMW Group AIR application
resource, start by entering the the Chassis Number (last seven (7) characters of the VIN), and click on the
“Search” icon. If the “Vehicle Selection” window displays two or more model possible vehicle choices, select
the applicable Model, or enter the full VIN (17 characters) instead to proceed. Click on the “Flat Rate Units”
button and enter a flat rate labor operation code number “without spaces” in the field to the right, click on the
“Search” icon to display the corresponding listing of “Flat rate unit group details” that are available and their
corresponding FRU allowances.

FEEDBACK REGARDING THIS BULLETIN
Technical Feedback

To submit feedback for the technical topic of this bulletin: Submit your
feedback in the rating box at the top of this bulletin

Copyright ©2025 BMW of North America, Inc.

about:blank

3/5

3/11/25, 2:12 PM

Warranty Feedback
Parts Feedback

64 03 25_CHECK ENGINE LIGHT ON FROM MISSING MESSAGE DTC IN IHKA

To submit feedback for the CLAIMS section of this bulletin: Submit an IDS
ticket to the Warranty Department, or use the chat available in the
Warranty Documentation Portal
To submit feedback for the PARTS section of this bulletin: Submit an IDS
ticket to the Parts Department

Copyright ©2025 BMW of North America, Inc.
about:blank

4/5

3/11/25, 2:12 PM

64 03 25_CHECK ENGINE LIGHT ON FROM MISSING MESSAGE DTC IN IHKA

Copyright ©2025 BMW of North America, Inc.
about:blank

5/5