NHTSA ID Number: 11021413
Manufacturer Communication Number: 131-25011
TSB/Document Date: 2025-08-05
Summary
Updating the CEM (Central Electronic Module), to the latest level software. A new CEM SW update is being installed as a production running change. This new SW update will implement the Car Configuration Logic changes to reduce the DTCs reported when cars with a non-convenience seat pack are requested, (memory seats and auto angling mirrors not fitted). - Check and identify any affected Emira vehicles from your inventory stock, dealer demonstrators and customer vehicles to ensure that this campaign action is performed at the first opportunity. Any affected vehicle’s campaign status will be displayed on the Lotus
Commercial Management System (LCMS). NOTE: This CEM SW update will not affect current vehicle functionality Preparation: Using the Lotus Insight tool*, the Emira Diagnostic System will show the availability of a new software version for the CEM. *Note: This MUST be done using the Lotus Insight Tool.
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TSB/Document ID: 131-25011
Replacement Service Bulletin Number:
MFR Communication Date: 2025-07-09
MFR Internal Campaign ID/Software Version: 131-25011
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ELECTRICAL SYSTEM
MFR Component System: CEM Central Electronic Module
MFR Component Subsystem: CEM Software
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Affected Models:
Emira V6 & 4-Cylinder
2023/24/25 Selected
Model Year VIN Range
Affected Regions:
All Markets
Affected Volume: Number:
10703
131-25011
Copy files should be maintained by:
Service Manager
Service Reception
Supervisor
Parts Manager
TITLE
Updating
the CEM
(Central
Electronic
Module),
to the
latest level
software.
2. Carry
out ECM
Upgrade
under
the software
menu,
following
the instructions
provided on the screen
to complete the upgrade
REASON
A new CEM SW update is being installed as a production running change. This new SW update will
implement the Car Configuration Logic changes to reduce the DTCs reported when cars with a nonconvenience seat pack are requested, (memory seats and auto angling mirrors not fitted).
This 2.
procedure
installs
the latestunder
Vehicle
Master Software
for the relevant
Carry out
ECM Upgrade
theDynamics
software Domain
menu, following
the instructions
providedvehicle
on the screen
ACTION
specification.
to- complete
upgrade
Check andthe
identify
any affected Emira vehicles from your inventory stock, dealer demonstrators and
customer vehicles to ensure that this campaign action is performed at the first opportunity.
2. Carry
ECM Upgrade
the status
software
following
the Lotus
instructions
provided
on the screen
- Anyout
affected
vehicle’s under
campaign
will menu,
be displayed
on the
Commercial
Management
to complete
the upgrade
System
(LCMS).
3. Locate
the VDDM
as shown in the image
This procedure installs the latest Vehicle Dynamics Domain Master Software for the relevant vehicle
NOTE: This CEM SW update will not affect current vehicle functionality.
specification.
Procedure
This procedure
installs the latest Vehicle Dynamics Domain Master Software for the relevant vehicle
Preparation:
specification.
3. Locate
the Lotus
VDDMInsight
as shown
theEmira
imageDiagnostic System will show the availability of a new software
Using the
tool*,inthe
version for the CEM.
*Note: This MUST be done using the Lotus Insight Tool.
3. Locate the VDDM as shown in the image
CEM Software Update
Locate the CEM as shown in the image.
Select the CEM update under the software menu, following the instructions provided on the screen to
complete the update.
Continued...
Lotus Technology Innovative Limited
The Ragged School, 18 Vine Hill, London, EC1R 5DZ, United Kingdom
SERVICE BULLETIN QBS CLASS 2
Date:
09.07.2025
Warranty Declaration
This technical service bulletin is not intended as a recall procedure, nor will it have an affect on the
vehicles warranty period.
Please perform the Campaign Agreement in LCMS which can later be converted into a Warranty
Claim having the warranty type “Recall and Campaign”.
This shall be raised in LCMS in under campaign ID QBS-131-25011.
CHARGES
A warranty claim may be submitted on Lotus Commercial Management System (LCMS), campaign
number QBS-131-25011.
Update CEM software: operation code 17.03.19-09 - CEM SW upgrade - 0.1hrs labour/vehicle. Use A
code 51, B code D2.
Note: The SW download does not require constant technician attendance, but only occasional
monitoring of the SW update progress. Therefore it is expected the vehicle can be left to complete the
download. When leaving the vehicle unattended to complete the download, ensure:
- A suitable battery support unit (minimum of 100A) is connected to the vehicle battery.
- The Wi-Fi connection is stable and not interrupted – a poor Wi-Fi connection will slow down SW
download.
- Ensure the Lotus Insight Tool is powered during download, (the settings can be configured never to
sleep when on battery or when power plugged in).
- Do not disturb the VCI connection to the vehicle or USB connection to Insight Tool to prevent failed
SW download.
Note: All software downloads are recorded by the Emira Diagnostic System and are periodically
checked by Lotus as part of the warranty auditing procedure.
Lotus Technology Innovative Limited
The Ragged School, 18 Vine Hill, London, EC1R 5DZ, United Kingdom
Ends.
SERVICE BULLETIN QBS CLASS 2
Bulletin number 131-25011
continued page 2
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