Bartec TECH450PRO User manual

TECH450PRO
Tire Pressure Monitoring System Tool
User Guide

TECH450PRO Table of Contents
Page 2 NOV 20
TECH450PRO USER GUIDE
IMPORTANT NOTICES
COPYRIGHT
No part of this manual may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means -
electronic, mechanical, photocopying, recording, or otherwise - without prior written permission from Bartec.
DISCLAIMER
Bartec makes commercially reasonable efforts to provide accurate and complete data in connection with our tools and
our website, but the volume of data compiled and the variety of sources from which the data comes makes it impossible
to warrant full accuracy or completeness of any kind. AS A RESULT, BARTEC DOES NOT WARRANT, AND SPECIFICALLY
DISCLAIMS ANY WARRANTY, THAT THE SITE, TOOLS, AND/OR THE CONTENT CONTAINED THEREIN IS ACCURATE OR
COMPLETE. All specifications, illustrations and information contained within this manual are based on the most current
information available at the time of publication. Bartec USA reserves the right to make changes at any time without
obligation to notify any person or organization. Bartec USA will do its best to keep you the customer informed of any
changes that might affect the tools performance. Important items will be called out by using “NOTE.” Information
following this indication should always be paid attention to.
FCC COMPLIANCE
FCC ID: SX8DSW9 IC: 57-36A-DSW9
Contains FCC ID: 2AC7Z-ESPWROOM32 IC: 21098-ESPWROOM32.
This device complies with Part 15 of the FCC Rules and with Innovation, Science and Economic Development Canada’s licence-exempt
RSS(s). Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) This device
must accept any interference received, including interference that may cause undesired operation.
L’émetteur/récepteur exempt de licence contenu dans le présent appareil est conforme aux CNR d’Innovation, Sciences et
Développement économique Canada applicables aux appareils radio exempts de licence. L’exploitation est autorisée aux deux
conditions suivantes:
1. L’appareil ne doit pas produire de brouillage.
2. L’appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d’en compromettre le
fonctionnement.

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TECH450PRO USER GUIDE
Table of Contents
IMPORTANT NOTICES ..........................................................................................................................................................................2
SAFETY DEFINITIONS............................................................................................................................................................................5
WHEN WORKING ON THE VEHICLE:......................................................................................................................................................5
DISPOSING OF EQUIPMENT .................................................................................................................................................................5
DISPOSING OF BATTERIES ....................................................................................................................................................................6
CORRECT USE OF THE TOOL .................................................................................................................................................................6
WHEN USING THE TOOL REMEMBER: ..................................................................................................................................................6
RECEPTION, MAINTENANCE AND GUARANTEE: ...................................................................................................................................6
BEFORE GETTING STARTED ..................................................................................................................................................................7
CHARGING TOOL .......................................................................................................................................................................................... 7
REGISTRATION ............................................................................................................................................................................................. 7
UPDATE...................................................................................................................................................................................................... 7
KIT COMPONENTS................................................................................................................................................................................8
TOOL LAYOUT ......................................................................................................................................................................................8
POWER ON/OFF SEQUENCE .................................................................................................................................................................8
HOME MENU .......................................................................................................................................................................................9
SELECTING A VEHICLE.........................................................................................................................................................................10
SELECTING BY VINDICATE............................................................................................................................................................................. 10
SELECTING BY MMY ................................................................................................................................................................................... 11
NEW SERVICE ..................................................................................................................................................................................... 12
TEST SENSORS.................................................................................................................................................................................... 13
LF ACTIVATED SENSORS ............................................................................................................................................................................... 13
TOOL POSITIONING..................................................................................................................................................................................... 13
NON-LF ACTIVATED SENSORS (EARLY BERU AND PACIFIC SENSORS UP TO 2009) .................................................................................................... 13
POSSIBLE SENSOR READING RESULTS ................................................................................................................................................ 14
RELEARNS ..........................................................................................................................................................................................15
STATIONARY RELEARNS:............................................................................................................................................................................... 15
DRIVE RELEARNS:....................................................................................................................................................................................... 15
OBD RELEARNS: ........................................................................................................................................................................................ 15
RITE SYNC®:............................................................................................................................................................................................. 16
Process (RITE-SYNC®):....................................................................................................................................................................... 16

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RELEARN INFORMATION: ............................................................................................................................................................................. 17
PROGRAMMABLE SENSOR ............................................................................................................................................................................ 18
OBD DIAGNOSTICS..................................................................................................................................................................................... 19
TECHNICAL INFORMATION............................................................................................................................................................................ 20
REVIEW VEHICLE DATA ...................................................................................................................................................................... 21
MY TOOL............................................................................................................................................................................................21
CONNECTING TO A WI-FI NETWORK ..................................................................................................................................................22
CONNECTING TO TPMS DESKTOP....................................................................................................................................................... 22
REGISTRATION AND TPMS DESKTOP..................................................................................................................................................23
UPDATING THE TOOL VIA USB CABLE.................................................................................................................................................25
UPDATING YOUR TOOL VIA WI-FI ...................................................................................................................................................... 25
APPENDIX .......................................................................................................................................................................................... 26
TPMS DESKTOP ........................................................................................................................................................................................ 26
TPMS Desktop Updates.................................................................................................................................................................... 26
Inspection Reports: .......................................................................................................................................................................... 26
Placard (400PRO/600PRO/450PRO Only) ....................................................................................................................................... 26
Tool Updating: ................................................................................................................................................................................. 27
Vehicle Lookup: ................................................................................................................................................................................ 27
Desktop Settings: ............................................................................................................................................................................. 27
Technical Support:............................................................................................................................................................................ 27
TOOL SERVICE ....................................................................................................................................................................................28
PROPER CARE AND CLEANING: ...................................................................................................................................................................... 28
SERVICE:................................................................................................................................................................................................... 28
TECHNICAL SPECIFICATION ................................................................................................................................................................28
MODES AND MODE CHANGING .........................................................................................................................................................29
ACCESSORIES AND REPLACEMENT PARTS .......................................................................................................................................... 30
TECHNICAL SUPPORT ......................................................................................................................................................................... 31
GLOSSARY .............................................................................................................................................................................................. 32
VEHICLE IDENTIFICATION NUMBER OR VIN...................................................................................................................................................... 33
FAQ &TROUBLESHOOTING GUIDE................................................................................................................................................................ 34
COMMS ERROR TROUBLESHOOTING ............................................................................................................................................................ 34
LIMITED WARRANTY AND REPAIR......................................................................................................................................................35
TOOL REGISTRATION FORM ............................................................................................................................................................... 36

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TECH450PRO USER GUIDE
SAFETY DEFINITIONS
All Danger, Warning, Important, and Note messages must be followed for your safety. These safety messages are in the
following form.
DANGER: Means you may risk possible loss of life. WARNING: Means you may risk possible bodily
harm.
CAUTION: Means you risk damage to the vehicle or the tool.
These safety messages cover situations Bartec is aware of. Bartec cannot know, evaluate, and advise you as to all the
possible hazards. You must be certain that any conditions or service procedures encountered do not jeopardise your
personal safety.
Safety Precautions:
Carefully read the installation, operating and maintenance instructions in the user guide.
Do not allow unqualified personnel to use this equipment. This will prevent injury to persons and damage to the equipment.
The workplace must be dry, sufficiently lit, and well ventilated.
Do not forget that breathing carbon monoxide (odourless) can be very dangerous and even fatal.
WHEN WORKING ON THE VEHICLE:
•Wear suitable clothing and act in such a way as to prevent industrial accidents.
•Before starting, check to be certain the gear shift is in neutral (or in PARK (P) if the transmission is
automatic) and put the handbrake on and check to be sure the wheels are completely locked.
•Do not smoke or use naked flames when working on a vehicle.
•Wear safety glasses to protect your eyes from dirt, dust, or metal chips.
DISPOSING OF EQUIPMENT
•Do not dispose of this equipment as miscellaneous solid waste but arrange to have collected separately.
•The re-use or correct recycling of electronic equipment (EEE) is important to protect the environment and human
health.
•Public administrators and producers of electrical and electronic equipment are involved in facilitating the re-use and
recovery of waste electrical and electronic equipment through these collection activities and use of appropriate
planning arrangements.
•Unauthorised disposal of waste electrical and electronic equipment is punishable by law with appropriate penalties.

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TECH450PRO USER GUIDE
DISPOSING OF BATTERIES
•The Tech450PRO contains a Lithium Polymer rechargeable battery which is not accessible to the user.
•Batteries must be recycled or disposed of properly. Do not throw batteries away as part of normal refuse
disposal.
•Do no throw batteries on to an open fire.
•Return tool to BARTEC USA for proper disposing of the tool.
CORRECT USE OF THE TOOL
•Do not expose the tool to excessive moisture.
•Do not use the tool near sources of heat or polluting emissions (stoves, ovens, etc.).
•Do not drop the tool.
•Do not allow the tool to come into contact with water or other liquids.
•Do not open the tool or attempt to perform maintenance or repair operations on any internal parts.
•You are advised to keep the packaging and to re-use it if the tool is moved to another site.
WHEN USING THE TOOL REMEMBER:
•Do not subject the tool to magnetic or electric interference.
RECEPTION,MAINTENANCE AND GUARANTEE:
Inspect the tool when delivered. Damage sustained during shipment is not covered by the guarantee. Bartec will accept no
responsibility for material or bodily harm resulting from inappropriate use of the product, failure to maintain it, or incorrect
storage conditions.
Bartec provides training for clients desirous of acquiring the knowledge required for the correct use of its products.
Only personnel authorized by Bartec are permitted to make any repairs that may be necessary. This tool is guaranteed
against any manufacturing fault for two years as of date of invoice (parts and labour) only if product has been correctly
used. Serial number must stay readable and proof of purchase must be retained for presentation upon request.

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TECH450PRO USER GUIDE
BEFORE GETTING STARTED
CHARGING TOOL
The TECH450PRO is shipped with a charged battery. It is recommended that the tool is charged 2+
hours before first use. For optimum performance, always keep it sufficiently charged.
The TECH450PRO will notify the user when the battery has low power, and the battery icon will
change color from white to red. When there is an insufficient amount of power remaining in the
battery, the TECH450PRO will save all of the TPM Data and then power itself off.
Your Tech450PRO Series tool comes with a factory-installed rechargeable battery. Battery
replacement must be done at the Bartec USA Repair facility.
The Qi Inductive Charging Pad is the preferred method of charging. You can also use the supplied
Micro USB cable attached to either the Standard Wall Plug Power Supply or a PC. Only use the
power supply or Micro USB cable that is included in the PRO Series kit to charge this tool.
Use of unapproved power supplies may damage your tool and will void the warranty.
REGISTRATION
To create your Bartec Account and/or register your tool, please download the TPMS Desktop application from
www.tpmsdesktop.us . TPMS Desktop will register your tools automatically and download the latest updates to your tool.
If you are unable to download TPMS DT the Bartec TECH450PRO can be registered at https://tools.bartecusa.com Follow
the on-screen prompts filling in the information and tool serial number. A valid serial number and supplier is required to
process the registration, which can take up to 24hrs once submitted.
UPDATE
Once the tool is registered, verify the software level loaded to the level available online and update the tool if necessary.
DO NOT apply
metallic labels
here!

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TECH450PRO USER GUIDE
KIT COMPONENTS
The TECH450PRO kit inside the toolbox includes:
•Tool Case
•TECH450PRO
•Quick start guide
•USB cable/Power supply
•OBD cable
TOOL LAYOUT
Up/Down Navigation-allows the user to navigate up and
down on the menus.
Enter-Allows you to proceed to next menu.
Test- When pressed in the relearn/test sensor function
will commence a test on the sensor.
Home: When pressed once will take you back a menu or
escape the current function returning to the home menu.
Back- When pressed will take the user back one menu
screen.
On/Off - On/Off used for powering the Tech450PRO on
and off.
POWER ON/OFF SEQUENCE
Press and hold the power button for two seconds to power on the tool. To power off the tool, press and hold the
power button for three seconds.
Auto power off is after 10 minutes of inactivity. This can be changed in the Settings menu.
The unit automatically powers up when the charger or USB port is in use – auto power off is not operational. The tool
cannot be operated when plugged in.
Identifying Kit Components
and Features
The TECH450PRO tool is
battery operated and
generates a low-frequency
magnetic field to activate
tire sensors. It receives UHF
radio signals from the tire
sensors typically at 315MHz
& 434MHz.

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TECH450PRO USER GUIDE
HOME MENU
New Service
Used to check sensors, relearn sensors to the vehicle, perform OBD diagnostic,
program sensors, and receive TPMS information
Resume Service
Used to resume your last job
Service History
Used to call up all stored works. User is able to search by registration or model and
can also use this history function to upload and clear Service Data.
Toolkit
Allows the user to test the signal strength of a key fob (RKE Test) and test the
strength of a UHF signal (UHF monitor).
My Tool
Used to set up your personal settings in the tool – language, Wi-Fi/Bluetooth, units,
auto off, sound, etc. Can view the connections of a network or TPMS Desktop.
Check the tool info to ensure you are at the latest software version. Check the
usage statistics of the tool. View the Support menu for Bartec contact and toll-free
Tech support phone number.

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TECH450PRO USER GUIDE
SELECTING AVEHICLE
The phrase “New TPMS Service” is exactly that: Starting a New TPMS Service on a vehicle.
The first recommended step with TPMS service will be selecting the correct vehicle which can be set up in the following
ways:
•Select by VINdicate.
•Select by MMY (Make, Model, Year)
•Note: VINdicate is the process of working through the vehicles OBDII port and decoding the vehicle identification
number (VIN) along with and diagnostic trouble codes providing the user with a more complete understanding of
what the potential issues might be.
SELECTING BY VINDICATE
Once the user selects VINdicate the tool will begin with prompts giving the user
directions as well as what the tool is doing.
1. Connect the Tool to the OBDII port with the OBD cable and turn the ignition on.
2. If the ignition is on or OBD cable is not properly connected you will receive a pop-up
message.
3. Press Enter to lookup vehicle or ESC to cancel.
4. Tool will then begin to read the VIN.
5. Once VIN is read tool will indicate a check mark that it read the VIN.
6. Then it will auto populate the YMM of the vehicle you are working on.
Note:
Some vehicles may not auto populate the MMY.

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TECH450PRO USER GUIDE
SELECTING BY MMY
1. Press MMY Listing- This will then progress you into selecting the vehicles Make
(manufacture).
2. Select the Make- This is where you will choose the Make (manufacture) of the
vehicle you are working on.
3. Select the Model- Here you will select the model of vehicle it is you are working
on.
Note- SRW-Single Rear Wheel, DRW-Dual Rear Wheel.
4. Select the Year (10th digit of the VIN)- Selecting the year ensure the user will have
the proper relearn functions of that vehicle. If unsure of the year, please look at
the 10th digit of the VIN.
NOTE:
After selecting the Vehicle some may require a qualifier such as Steel/Alloy
wheels, Ikey/Non Ikey, W/O Tire Fill Alert/ W Tire Fill Alert.

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NEW SERVICE
OBD Diagnostics Used to diagnose vehicle problems, receive sensor ID’s,
and reads the vehicle VIN.
Test Sensors
This uses a quick and easy to follow process which allows
the user to read sensors, process the data, read battery
status & ID’s.
Relearns The tool lists all available relearns on the vehicle’s menu.
The relearns vary from OBD, Stationary and Drive.
Placard Pressure Change Allows the user to change the placard to adjust for
different load range tires.
Programable Sensors Create
Copy/clone ID (single)
Copy/clone ID (set)
Copy using stored data.
Enter ID manually
RITE-ID®

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TECH450PRO USER GUIDE
TEST SENSORS
Use this function to test the fitted sensors before continuing with further
steps.
To check the status of the TMPS sensors on the vehicle, select Check Sensors
from the Service Screen. A screen similar to the following should be
displayed:
Use the arrow keys to select the sensor which needs to be read.
LF ACTIVATED SENSORS:
To test a sensor the tool should be placed alongside the valve stem and the ‘Test’ key pressed.
TOOL POSITIONING
Do NOT touch the metal rim. The tool needs to point through the rubber at the sensor.
(Note: with Ford Banded sensors the tool should be held 180°/opposite from the stem’s position)
NON-LF ACTIVATED SENSORS (EARLY BERU AND PACIFIC SENSORS UP TO 2009)
If the tool requires rapid tire deflation (of the order of 10psi or 0.5bar), then deflate the tire and place the tool alongside
the stem while pressing the test key.
During testing, the screen confirms the sensor type being tested and displays a progress bar.
Different makes of Sensors respond at different speeds/ time intervals.

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POSSIBLE SENSOR READING RESULTS
Note that if a faulty Sensor has been replaced, some method of relearn procedure will need to be followed, as explained
later in this manual.
Successful Sensor Read
Sensor was successfully activated and
decoded. Displays pressure (in Bar or PSI) at
wheel location.
Failed Sensor Read
No Sensor Activation or Decode. May be wrong sensor
fitment or non-functioning sensor. Tool will prompt to
attempt reading the sensor 3 times.
Duplicate ID
A Sensor with a duplicate ID has been read. Tool will direct
to re-read those sensors.
Wrong Sensor Type
A Sensor was activated and decoded, but
does not match the protocol for the Make Model.
Year that the tool was set-up for.
No Pressure
Low Sensor Battery
Sensor’s internal battery has dropped below a
certain voltage threshold.

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RELEARNS
A TPMS relearn is the process in which TPMS sensor IDs are stored or written to the ECM of the vehicle. There are three
categories of TPMS relearns for a Direct TPMS System:
Stationary
•Auto (Drive)
•OBDII Connect
•Indirect (Vehicles have no sensors)
Your TECH450PRO tool will display the relearn process right on the screen of what is available to use for that specific
vehicle. The tool will also list the Tire Industry Association (TIA) Relearn Process Reference number for cross-reference to
the TIA TPMS Relearn Chart. Bartec recommends performing a TPMS relearn any time a vehicles’ tires are removed.
STATIONARY RELEARNS:
Stationary Relearns use the vehicle’s on-board TPMS system to listen for transmissions from TPMS sensors while the
vehicle is in “Learn Mode”. This is usually achieved through a series of actions performed on the vehicle to place it into
this mode. Once the vehicle is in Learn Mode, use your PRO Series tool to activate the sensors. The vehicle will listen for
the sensor IDs and assign them to the correct wheel positions on the vehicle.
DRIVE RELEARNS:
Some vehicles can be reset by driving. Refer to the on-screen relearn procedures for details on how far/long to drive. It
can take up to 20 minutes to relearn the sensor IDs.
OBD RELEARNS:
An OBDII relearn is either a vehicle that requires the OBDII connection to complete the registration of new TPMS sensor
IDs to the vehicle or is optional coverage for Stationary or Auto Relearn vehicles. Connection to a vehicle allows the
Tech450PRO to directly program the vehicle’s ECM with TPMS sensor IDs. OBD can be connected when all sensors are
successfully read and the message “All Sensors OK” is displayed. Please use the “Technical Information” menu and select
“View Vehicle Info” to find the OBD location. NOTE: Not all vehicles support OBD vehicle communications modes.
To find out which relearn type is available for a
vehicle, just turn on the tool and select
Relearn. Or refer to the current coverage list at
https://www.bartecusa.com/tpms-tool-
coverage-charts.

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TECH450PRO USER GUIDE
RITE SYNC®:
RITE-SYNC® allows the Technician to install a NEW RITE-SENSOR® into a vehicle just like the OE sensor, and during the
RELEARN Process, “sync” that sensor to the Make-Model-Year selected, keeping the RELEARN process the same as using
an OE sensor. This means that there is no need for the extra step in Programming the sensor before installing it within the
W/T assembly.
•No longer forgetting to program the sensor.
•Keeps process consistent.
•Sensor programs in Wheel and under pressure!
*RELEARNS listed with RITE-SYNC® still support other sensors, both OE and Aftermarket. Other programable sensors used
will need to be pre-programmed before the RELEARN process. Not all sensors support programming in the W/T and/or
under-pressure.
Note:
Stnry RITE-SYNC = Stationary Relearn process with RITE-SENSOR® Support
OBD RITE-SYNC = OBD Relearn process with RITE-SENSOR® Support
Drive RITE-SYNC = Drive (Auto) Relearn process with RITE-SENSOR® support (activate sensors before drive)
Process (RITE-SYNC®):
1. Configure the Make-Model-Year (see VINdicate TSB for more info)
2. Select the Relearn Process
3. Follow the process with Activating the LF/RF/RR/ and LR wheel locations.
4. Tool will “RITE-SYNC®” any new RITE-SENSORS® automatically.
Note:
Test Sensors diagnostics for RITE-SENSOR®
Tool will declare an un-synchronized RITE-SENSOR if found and will inform the technician it can be sync’d in the Relearn
process.

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RELEARN INFORMATION:
This contains extra information about the relearn for the selected vehicle, which can assist you if you have any problems.
An example would be for some Toyota and Lexus vehicles which use a summer and winter tire set.
After selecting a Relearn method, follow the instructions given by the tool to relearn Sensors.
As well as the pressure and temperature, we also display the “mode” of the sensor. In some cases, the mode cannot be
changed and is not important, but in some cases, it will need to be changed in order for the relearn to work.
For example, if sensors for a vehicle show “Park” or “Drive” they are already in the correct mode. Otherwise use the
“Mode Change” command in the Quick Access Menu. If the sensors are shown as Ship, Off or Test mode, put them in Park
mode, using the “Mode Change” command in the Quick Access Menu
Press the to access the Quick Access Menu and see the options available for the vehicle requiring a Relearn.
Options that are not required on a vehicle will not be displayed.
Special service advice for Toyota Models:
Toyota ECU
Reset
If at any time the vehicle TPMS Reset button is pressed with the new sensor IDs fitted,
the ECU OBD relearn will not work until the Toyota ECU Reset is selected (with the tool
connected to OBD). The TPMS Reset button should only be used to set new tire
pressures, and on some vehicles to change between winter and summer ID sets.
Special service advice for Kia and Hyundai Models:
Reset YD Sensor
For some Kia and Hyundai vehicles with the newer low line TRW YD sensors, this allows
you to put the sensors back into the correct mode (Sleep or Rest) to work with the
vehicle.
These specific Service advices will only appear if applicable for the preselected Make, Model and Year
combination.
Selected tire.
Processing order:
Left Front,
Right Front,
Right Rear,
Left Rear

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PROGRAMMABLE SENSOR
The “Programmable Sensor” Point on the service menu enables the function of programming aftermarket replacement
sensors like the RITE-SENSOR®, HUF IntelliSens® or the Schrader EZ-sensor®. Even when they are already mounted in a
wheel or programmed to another vehicle. The user can choose from a selection of sensors which match the preselected
MMY. At which point the user has the ability to create or copy a sensor. Note- the sensor has to be read before copying.
Copy Sensor Set
Used to Copy/Clone a winter tyre set with the same ID´s as the summer tyre set.
Requires the reading of the old sensor to program the same ID on the replacement
sensor to avoid the relearning process.
Create ID
Used to create a single sensor with a new ID. Can be repeated as many times as
requested. The ID needs to be relearned to the vehicle’s ECU. The following pages will
describe this procedure.
Copy/Clone ID
Used to Copy/Clone a single ID. Can be repeated as many times as requested. Requires
the reading of the old sensor to program the same ID on the replacement sensor to
avoid the relearning process.
Enter ID Manually
Used to create a Sensor with a new ID that can be typed in manually. This option only
appears for some sensors. If it is not possible to copy the ID, enter the same ID
manually, which is written on the sensors body.
Copy Using stored
data
Gives you the option of using stored IDs either read from the TPMS sensors or from the
vehicle OBD
The current coverage list is available at https://www.bartecusa.com/tpms-tool-coverage-charts
Recommended sensor position for programming:

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OBD DIAGNOSTICS
OBD Diagnostics is the function of connecting the Tech450PRO to the OBDII port of the vehicle in order to be able and
read any TPMS related information in the ECM. The tool will capture the following information:
•DTCs (TPMS)
•VIN
•Sensor IDs
•Placard Settings
Successfully
Viewing the DTCs will allow you to determine if there is another fault before beginning the TPMS service or allowing the
vehicle to leave the facility. Some DTCs may need further diagnostics as to what they are. If a code is followed by a H it is a
historic code that has been present for some time.
Viewing the vin will display the vin stored in the ECM (Should be the
same as other VINs on vehicle).
Viewing the Sensor Ids will allow you to determine what current TPMS
ids are stored in what location on the vehicle according to the ECM.
Viewing the placard settings will identify what they are currently set at
in the ECM. Please note that all not all vehicles allow you to change the
placard settings.
After any TPMS service is completed you can go back to OBD diagnostics to ensure that the TPMS IDs have been changed
to the correct location. As well as if you change the placard settings you can go back through the OBD diagnostics to
ensure that the value is set to +/- 3% of the original wheel size.

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TECHNICAL INFORMATION
Technical
Information
Gives detailed
information about
relearn procedures,
Sensor information,
TIA trouble shooting,
vehicle information,
and service tips.
Sensors do not have to be read to access the following information.
View Replacement
Parts
Used to show all Replacement Sensor part numbers that can be fitted
to the preselected MMY
View Service Kits
Used to show all Replacement Service Kit part numbers that can be
fitted to the preselected MMY
View Sensor
Characteristics
Used to show technical sensor information of the sensor that needs to
be fitted. e.g., Nut torque settings
View Vehicle Information
This option provides information about the Relearn
method, the OBD port location and if there are
programmable Sensors for the preselected MMY
available.
View Service Tips
This option provides information about the specific
meaning of the TPMS light as well as common
mechanical faults for the preselected MMY.