NHTSA ID Number: 11026539
Manufacturer Communication Number: 131-25019
TSB/Document Date: 2025-12-11
Summary
Updating the TCM (Transmission Control Module) to the latest level software. REASON - A new TCM SW update is available on EmiraDS to resolve the following issues: - Fix to shift solenoid diagnostics failing to detect faults during shifts. - Fix to reported gear to ECM once in mechanical limp home or forced gear neutral to prevent lockout of PRND shifts if solenoid fails in transition between gears. - Fix to displayed gear in edge case (more then one failure at the same time) leading to stuck in reverse while trying to achieve force neutral fault reaction. ACTION - This is a market service activity to proactively schedule customers to come back to the dealership for this latest level software update as described in this technical service bulletin. - 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).
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TSB/Document ID: 131-25019
Replacement Service Bulletin Number:
MFR Communication Date: 2025-11-03
MFR Internal Campaign ID/Software Version: 131-25019
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: POWER TRAIN
MFR Component System: TCM (Transmission Control Module)
MFR Component Subsystem: TCM Software
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Affected Models:
Affected Regions: Affected Volume:
Number:
Emira V6 Automatic
Federal Market
359
131-25019
Transmission 2024/2025
Selected Model Year VIN Range
Copy files should be maintained by:
Service Manager
Service Reception
Supervisor
Parts Manager
TITLE
Updating the TCM (Transmission Control Module) to the latest level software.
REASON
2. SW
Carryupdate
out ECMisUpgrade
under
softwareto
menu,
following
instructions
provided on the screen
A new TCM
available
onthe
EmiraDS
resolve
the the
following
issues:
to complete the upgrade
- Fix to shift solenoid diagnostics failing to detect faults during shifts.
- Fix to reported gear to ECM once in mechanical limp home or forced gear neutral to prevent lockout
of PRND shifts if solenoid fails in transition between gears.
2.
Carry
ECM
Upgrade
under
software
menu,
following
the
instructions
provided
on
the
screen
- Fixout
to
displayed
gear
inthe
edge
case
(more
then one
at the
samefor
time)
leadingvehicle
to stuck in
2. Carry
out
ECM
Upgrade
under
the
software
menu,
following
the failure
instructions
provided
on
the relevant
screen
This
procedure
installs
the
latest
Vehicle
Dynamics
Domain
Master
Software
the
to
complete
the
upgrade
reverse
while
trying to achieve force neutral fault reaction.
to complete
the
upgrade
specification.
ACTION
- This is a3.market
to inproactively
Locate service
the VDDMactivity
as shown
the image schedule customers to come back to the dealership
for
this
latest
level
software
update
as
described
in this technical
service
bulletin.
This
procedure
installs
the
latest
Vehicle
Dynamics
Domain
Master
for
vehicle
This procedure installs the latest Vehicle Dynamics Domain
Master Software
Software
for the
the relevant
relevant
vehicle
specification.
specification.
- 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’sin campaign
status will be displayed on the Lotus Commercial Management
3.
3. Locate
Locate the
the VDDM
VDDM as
as shown
shown in the
the image
image
System (LCMS).
TCM
Transmission Control Module
Procedure
Software Update
- Using the Lotus Insight tool*, the Emira Diagnostic System will show the availability of a new
software version for the TCM.
- Select the TCM update under the software menu, following the instructions provided on the screen
to complete the update.
*Note: This MUST be done using the Lotus Insight Tool. Also ensure that the required prerequisites
are fulfilled for the Diagnostic System, including connecting the vehicle to a suitable battery support
unit (minimum of 100A).
Lotus Technology Innovative Limited
The Ragged School, 18 Vine Hill, London, EC1R 5DZ, United Kingdom
Continued...
SERVICE BULLETIN QBA CLASS 2
Date:
25.10.2025
CHARGES
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 QBA-131-25019.
CHARGES
A warranty claim may be submitted on Lotus Commercial Management System (LCMS), campaign
number QBA-131-25019.
Update TCU software: operation code 17.09.01-09 - TCU 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.
Ends.
Lotus Technology Innovative Limited
The Ragged School, 18 Vine Hill, London, EC1R 5DZ, United Kingdom
SERVICE BULLETIN QBA CLASS 2
Bulletin number 131-25019
continued page 2
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