Version 14.20.019 Software
Last Updated: 9/27/2019
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Open Issues
- Unable to connect to Telematics system
- Telematics system does not appear on Health Check results
- Unable to view Live Data and incorrect "Offline Mode" messages
- The Error Report window opens repeatedly
- Printed files do not display correctly
- Flagged points do not display when viewing the Data List graph
- Warning message for VIM Firmware out of date
- Smart Code Reset fails when all keys are lost
- During Health Check SOLRAPI error occurs
- Incorrect message that "Techstream is not registered to an authorized dealership"
- After reprogramming, Intelligent Clearance Sonar ECU will not communicate
- Unable to communicate with Air Conditioning or AutoLeveling Headlights
- "TIS Keyword" Search feature will not open TIS correctly
- Inaccurate Fuel Consumption test results
- Cannot Perform DCM Activation on 2017 Prius Prime
- Techstream Kilometers display does not match vehicle's Odometer
- Errors with Tire Pressure Monitor System
Design Limitations
- Main Body ECU missing Wireless Code Registration Utility
- Unable to export .csv file from Dual Data List and Active Test
- ECT ECU unable to "Read Configuration"
- Check Cylinder Compression Active Test doesn't record cylinder speeds
- Seed Code does not generate during Immobilizer Reset
- Vehicle information does not Auto-populate
- Cannot perform the Control the Injection Mode Active Test
- Vehicle Combination Meter units do not reflect being changed by Techstream
- Back Door Active Test results in Fatal Error
- DTC P1121 description misleading
- Monitor for O2 sensor fails consistently
- Confusing PIDs Displayed in TPMS ECU
- Monitor Function Unavailable
- Powertrain DTCs with FFD Have No Designation
- Confusing Door Courtesy Light Values
- Cannot Connect Using Generic OBDII
- HL Auto Leveling Active Test Inapplicability and Errors
- Health Check DTC Clear All Failure
- Immobilizer/Smart Key Reset Abnormal Operation
Closed Issues
- Public User profile is unable to access Tech Info for Smart Code Reset/Add Key function
- Graphing in Engine and ECT will cause Techstream to disconnect from vehicle
- The "Custom Data List" in Engine and ECT Live fails when attempting to graph
- During Health Check "ATX web service unavailable" message occurs
- The "Activate Lock-Up Solenoid" Active Test fails
- Health Check on DCM equipped vehicles results in "Fault 64" message
- Primary Data List refresh rate is abnormal
- Smart Code Reset Utility prompt out of sequence
- Key Registration Utility is missing
- Remote Door Lock Setting Utility is missing
- The Utility "Occupant Detection Zero Point Calibration" fails after lowering seat bottom
- Multiple command controls inoperable in Engine Active Test
- Air Bleed Utility encounters Error when clicking Next
- Health Check won't complete or unable to load Techstream Registration Page
- Health Check results in Java Error (UnmarshalException)
- Vehicle Connection Wizard doesn't populate vehicle information
- Slide Roof Active Test Inoperable
- 2018 Camry Registering Winter Wheels or second set of tires with TPMS sensors.
- Explanation for the Desired RPM Active Test is vague
- 2017 Avanza Utilities are missing
- Cannot perform the D-4S (A/F Control) Active Test
- Multiple ECU descriptions are incorrect or blank
- Evap Sys Check Utility Fails
Open Issues
- Vehicle(s): 2020 ES350/300h
- Description: Techstream will not connect to the Telematics system. It will not be possible to view Live Data, Clear DTC's, etc.
- Status: Currently under investigation (1420-003).
- Workaround: Only when connection to Telematics system is required, perform manual vehicle selection as 2020 RC300 8AE-FTS with option RADAR CRUISE.
- Vehicle(s): 2016 Mirai
- Description: When performing a Health Check on a 2016 Mirai, the results do not include the Telematics system as well as the current calibration ID.
- Status: Currently under investigation (1420-002).
- Workaround: Only when performing Health Check to determine Telematics calibration ID, perform manual vehicle connection and use model year 2017 Mirai.
- Vehicle(s): All
- Description: When a known good connection to the internet is active, Techstream will display a message with the option to continue in "Offline Mode". After selecting "Offline Mode" and selecing a desired system, the Live Data List for that system will fail to connect or lose communication shortly after ECU connection.
- Status: Currently under investigation.
- Workaround: Disable internet connection while viewing Live Data in Techstream.
- Vehicle(s): N/A
- Description: The Error Report window will repeatedly open, sometimes without Techstream open at that time. This is caused by CUWC being ended abnormally. Examples of abnormal end are using Task Manager to terminate CUWC or the PC powering off while the application is running. Rebooting the PC will stop the Error Reports from being generated.
- Status: Currently under investigation (1330-004).
- Workaround: To correctly close CUWC, press "OK" to continue attempting to connect to the vehicle three times. After the final failed attempt, the application will close by pressing "OK".
- Vehicle(s): N/A
- Description: When printing from Techstream
ADV-i or some other Windows 10 PCs, only the upper left section of the displayed screen is printed.
- Status: Currently under investigation (1410-002).
- Workaround: In Windows, navigate to Windows Settings > System > Display. Adjust "Scale and Layout" to 100% prior to printing. Return to preferred setting after printing has completed.
- Vehicle(s): TBD
- Description: While recording from the Data List, the flags applied will not display normally when in graphing view. Flagged locations show as thin lines in the horizontal scrolling bar, but do not show as expected on the traces.
- Status: Currently under investigation (1410-003).
- Workaround: If you experience this anomaly, please submit an error report immediately after the issue is detected. After submitting Error Report, please attempt to reboot PC and perform recording and apply flags to see if the issue persists.
- Vehicle(s): N/A
- Description: After installing Techstream v14.1 or later, when selecting Connect to Vehicle, a warning message requesting to update VIM firmware displays. At this time, only the Techstream 2.0 and MongoosePro MFC/Blue Case drivers are affected.
- Status: If VIM firmware/drivers are earlier than version 1.2.10.0, they require an updated version.
- Correction: Download and install VIM firmware/drivers from TIS > Diagnostics > ScanTool tab under the Techstream Lite section. Instructions for installing VIM firmware can be found in the "Techstream Lite Installation Instructions" link.
- Vehicle(s): All Smart Key equipped LS500/h, 2019 ES350/300h, UX200/UX250h 2019 Avalon/Avalon HV, 2019 Corolla Hatch, 2020 Corolla/Hatch/HV, and 2019 RAV4/HV
- Description: After selecting "Yes" to begin 16 minute countdown for Reset, a failure message displays before a progress bar is shown.
- Status: Vehicle communication must be maintained to avoid this result.
- Correction: Refer to Repair Manual for instructions to keep vehicle communication operational. Currently, equipped vehicles must have courtesy light switch in driver's door jamb cycled every 1.5 seconds. This cycling must be performed throughout the entire Smart Code Reset
procedure. Note: if the vehicle has a bladed key (non-Smart Key), follow RM instructions as cycling the courtesy light switch should not be required.
- Vehicle(s): All Vehicles
- Description: Causes inaccurate Health Check results.
- Status: Currently under investigation (1210-005).
- Work Around: Press "OK" and continue to Health Check results screen. Should the results populate without valid results, please perform another Health Check.
- Vehicle(s): All
- Description: While performing a Health Check, the message "This Techstream is not registered to an authorized Toyota/Lexus/Scion Dealership." is displayed.
- Status: Currently under investigation (1330-005).
- Workaround: Please submit an Error Report when this occurs by pressing F12 or the red "E" icon in the icon tray. In the Error Description, provide a direct contact email address. After submitting the Error Report, Press
"Cancel" on the message to complete the Health Check.
- Vehicle(s): Multiple Toyota and Lexus models
- Description: When reprogramming the ICS ECU, the calibration update may fail and, the ECU may not communicate
with Techstream.
- Status: Currently under investigation. (1320-004)
- Workaround: If the calibration update fails, do not disconnect the DLC3 cable or close Techstream. Ensure the correct instructions and preconditions are followed per the SSC or TSB referenced.
Once instructions and preconditions are confirmed, perform the calibration update again by pressing the "Retry" button in the Calibration Update Wizard.
- Note: Please review T-SB-0134-16 or
L-SB-0001-18, and
Vehicle Reprogramming Tips.
- Vehicle(s): 2019 Yaris SD Mex-Prod
- Description: The Air Conditioning or AutoLeveling Headlight systems will not communicate with Techstream.
- Workaround: Communication with these systems requires the MongoosePro MFC2 (Green Case) VIM cable or Techstream ADV-i with version 13.30.018 or later software.
- Vehicle(s): All Vehicles
- Description: When the default web browser is not Google Chrome, the "TIS Keyword" search will take you to a TIS page to log in that will freeze with "Loading" displayed.
- Status: Currently under investigation.
- Work Around: Select Google Chrome as the default browser. A search can still be performed manually from any supported web browser when not accessed via Techstream.
- Vehicle(s):
- Description: Fuel Consumption test indicates poor fuel economy for the specified engines. Actual fuel economy is unaffected.
- Status: Currently under investigation (1220-005).
Cannot Perform DCM Activation on 2017 Prius Prime
- Vehicle(s): 2017 Prius Prime.
- Description: Techstream cannot perform a DCM
(Telematics ECU) Activation following a DCM replacement.
Techstream may exhibit "ATX web service unavailable" error or
similar message when attempting a DCM activation.
- Status: Under investigation.
Techstream Kilometers display does not match vehicle's Odometer
- Vehicle(s): See the chart below for affected Yaris vehicles. Does not affect US Market vehicles.
- Description: When the vehicle's odometer displays in kilometers, Techstream displays a different number (i.e., vehicle shows 3090km and Techstream shows 4972km).
- Status: Under investigation (1120-003).
Errors with Tire Pressure Monitor System
- Vehicle(s): All CAN Bus equipped vehicles with TPMS.
- Device(s): Techstream and Techstream Lite (Mongoose and/or Mongoose Pro VIMs)
- Description: When clicking on Data List or attempting to Clear DTCs, an Error Box may appear describing a negative/no response from the ECU or a loss in communication.
- Status: Under investigation. Some users report success after repeated attempts (1010-005).
Design Limitations
- Vehicle(s): All Models.
- Description: Some Main Body ECUs will not show the Utility "Wireless Code Registration" available.
- Status: This condition can be due to the vehicle performing remote communications at the time of accessing the ECU.
- Work Around: Disconnect from the vehicle long enough to allow remote communication to finish. Reconnect at a later time to check for availability of Utility.
- Vehicle(s): All Models.
- Description: After exporting Dual Data List data and Active Test data, csv. file does not contain data. Exporting csv. file works normally in Data List.
- Status: Determined to be normal operation (1310-001).
- Vehicle(s): 2017 Toyota iA.
- Description: ECT ECU configuration utility
unable to "Read Configuration". The option "Before ECU
Replacement" will be grayed out.
- Status: This function is not available on
all ECUs and is a normal condition (1220-004).
- Work Around: Perform repair the same manner as if "Configuration" information could not have been captured.
Check the Cylinder Compression Active Test doesn't record Cylinder Speeds
- Vehicle(s): Engine types A25A-FKS, 2GR-FKS, 8AR-FTS, 6AR-FSE, and 8NR-FTS for
2015-2018 Model Year.
- Description: When attempting to perform "Check the Cylinder Compression" Cylinder Speed does not record or change.
- Work Around: Cranking must be started within
1 second of clicking "Start"
button in command box.
- Status: Multiple 2015-2018 Models affected (1200-007).
Seed Code does not generate during Immobilizer Reset
- Vehicle(s): All.
- Description: Seed Code will not generate (grayed out), during Immobilizer Reset process if VIN displays in lowercase letters. Caused by VIN write with unsupported scantools. Techstream will not allow lowercase letters during VIN write to ECU.
- Work Around: Perform the VIN write Utility with Techstream and retype the VIN.
Vehicle Information does not Auto-populate
- Vehicle(s): 2003 RX300.
- Description: Vehicle Connection Wizard does not automatically populate the vehicle information.
- Work Around: Manually select the Model, Model Year, and Engine to connect to the vehicle.
Cannot perform the Control the Injection Mode Active Test
- Vehicle: 2016 Tacoma.
- Device(s): Techstream and Techstream Lite.
- Description: The Control the Injection Mode Active Test will only allow manipulation of Port injection and will intermittently terminate before the 3-minute time limit. Selection of Direct will result in an immediate error, ECU cannot perform the requested Active Test, although all stated preconditions are met.
- Work Around: Please refer to Tech Tip T-TT-0376-15.
Vehicle Combination Meter units do not reflect being changed by Techstream
- Vehicle(s):2015 Yaris
- Description: When Units are changed via Techstream from miles/gallon to Km/l, the vehicles Odometer, Trip A, and Trip B do not change and stay in Miles. However, the current fuel efficiency, average fuel efficiency, average speed, and range DO reflect the change made by Techstream successfully.
- Status: Determined to be normal operation (1120-004).
Back Door Active Test results in Fatal Error
- Vehicle(s): 2016 RAV4.
- Description: Active Tests and Data List within Back Door ECU consistently result in a Fatal Error.
- Status: Please refer to TSB-0059-16 for instructions on the fix to this issue. (1030-006).
DTC P1121 description misleading
- Vehicle: 2004-2009 Toyota Prius.
- Device(s): Techstream and Techstream Lite.
- Description: Due to the Prius now sharing an ECU with 5LE equipped vehicles, the DTC now reads, "Throttle/Pedal Position Sensor/Coolant Valve Position Sensor Circuit Stuck", whereas it previously read, "Coolant Flow Control Valve Position Sensor Circuit Stuck".
- Work Around: Refer to the TIS Repair Manual for the relevant portion of the DTC.
Monitor for O2 sensor fails consistently
- Vehicle:
- Device(s): Techstream and Techstream Lite
- Description:
Monitor for O2 sensor consistently fails resulting in a “complete/incomplete fail”. This is a result of an ECU bug inherent to this vehicle (410-041). In most cases, the O2 sensors are functioning properly
even if a “complete/incomplete fail” result is seen. Verify O2 sensor operation by other processes to determine if further diagnosis is required.
Confusing PIDs Displayed in TPMS ECU
- Vehicle: Vehicles NOT equipped with a factory optional 5th TPMS sensor, i.e. some 2013 RAV4s and 2014 Highlanders.
- Device(s): Techstream and Techstream Lite.
- Description: PIDs indicating the presence of a 5th TPMS sensor are displayed in the Data List and Health Check results on vehicles allegedly not equipped with a 5th sensor. These vehicles may come equipped with an optional 5th sensor, and this can be physically verified by inspecting the spare tire.
Monitor Function Unavailable
- Vehicle: 2013 FR-S.
- Device(s): Techstream and Techstream Lite.
- Description: Function not available for this vehicle. The button is grayed out (810-007).
Powertrain DTCs with FFD Have No Designation
- Vehicle: All.
- Device(s): Techstream and Techstream Lite.
- Description: When viewing Trouble Codes or
saved Health Check data, Powertrain DTCs with FFD may have no
designation as to what type of Trouble Code is saved. This
is a normal condition when a DTC sets as "Pending" but does not
confirm on subsequent cycle test. This is so that the FFD may
still be viewed.
Confusing Door Courtesy Light Values
- Vehicle: 2008-2011 Sienna.
- Device(s): Techstream and Techstream Lite.
- Description: Parameters “FR and FL Door Courtesy” in the Main Body ECU Data
List will display an “ON” value when those doors are closed. Siennas with a L/O date of November 2011 (2012MY) and forward will display values logically; consistent with the rear doors.
Cannot Connect Using Generic OBDII
- Vehicle: All, including other makes/brands of vehicle.
- Device(s): Techstream Lite.
- Description: When using a Mongoose VIM to connect Techstream to a vehicle via Generic OBDII, the result is an error window that displays "Cannot establish communication with the ECU."
HL Auto Leveling Active Test Inapplicability and Errors
- Vehicle: 2010 Prius.
- Device(s): Techstream and Techstream Lite.
- Description: Due to an ECU bug, inapplicable Active Tests may display. Furthermore, the Drive Leveling Motor Active Tests may fail to execute, resulting in an error.
Health Check DTC Clear All Failure
- Vehicle: 2009-2010 Corolla, xD.
- Device(s): Techstream and Techstream Lite.
- Description: When using the Clear All DTC function from the Health Check Screen, with IG ON and engine not running, the progress indicator will loop continuously until the DTCs clear (after 5 or 6 minutes). This also occurs when clearing DTCs of the EMPS System. This issue can be avoided by having the engine running while clearing DTCs.
Immobilizer/Smart Key Reset Abnormal Operation
- Vehicle: All.
- Device(s): Techstream and Techstream Lite.
- Description: When performing an Immobilizer or Smart Key Reset, errors or abnormal operation may occur if Java software is not installed, has become corrupt, or version is too old. Installing the latest version of Java (v1.6 - Update 7, minimum) from http://www.java.com will resolve this issue.
Closed Issues
- Vehicle(s): All LS500/H, 2019 ES350/300h, UX200/UX250h 2019 Avalon/Avalon HV, 2019 Corolla Hatch, and 2019 RAV4
- Description: When using Public User profile type to perform key and immobilizer functions that require a Pass-Code, the Tech Info site cannot be reached.
- Status: Corrected with version 14.2.
- Vehicle(s): 2014-2017 Corolla
- Description: While displaying or recording a graph in the Engine and ECT ecu, the Techstream will show that
it has "Lost communication with the vehicle." This disconnection occurs while graphing from a Custom List or pre-configured list such as the
"JSD Test Drive" list.
- Status: Corrected with VIM firmware v1.2.10.
Custom Data List in Engine
and ECT Live fails when attempting to graph
- Vehicle(s): 2015-2017 RX350/ES350.
- Description: When graphing a Custom Data List in
Engine and ECT Live an error box pops up stating "Lost communication with
vehicle".
- Status: Corrected with VIM firmware v1.2.10 (1200-002).
- Vehicle(s): All
- Description: During a Health Check, an "ATX web service unavailable" message might occur and will not allow the Health Check to complete.
- Status: Corrected via TIS.
- Vehicle(s): 2016 Tacoma.
- Description: Two error boxes appear during attempts to activate solenoid at greater than 36mph or greater than 50mph.
- Status: Corrected with version 14.0 (1210-001).
- Vehicle(s): DCM Equipped Vehicles (with Techstream v13.20.018 and later)
- Description: Before Health Check completes, a message appears that the Telematics DCM is not recognized by telematics provider with instructions to
be completed. After performing instructions, the next Health Check results in the same message.
- Status: Corrected with version 13.3 (1320-001).
- Vehicle(s): LS500/H.
- Description: While viewing Engine Primary
Data List, slow refresh rates can cause the data to not update
as vehicle events occur.
- Status: Corrected with v13.3 (1300-007).
- Vehicle(s): 2018+ LS500/H, 2019 Avalon/Avalon HV
- Description: Smart Code Reset prompt suggests a 16-minute wait will begin by pressing yes. Further steps are needed to reach the 16-minute waiting period.
- Status: Corrected with v13.3 (1300-006).
- Vehicle(s): 2016-2017 Avanza.
- Description: The Key Registration Utility is missing from the Utility list in IMB Live.
- Status: Corrected with v13.3 (1300-004).
- Vehicle(s): 2018 Camry (US models).
- Description: The utility "Remote Door Lock Setting" is missing.
- Status: Corrected with v13.2 (1300-002).
Occupant Detection Zero Point Calibration Fails
- Vehicle(s): 2015-2017 ES350.
- Description: Occupant Detection Zero Point Calibration fails after lowering seat bottom to bottom position and clicking "NEXT".
- Status: Corrected with v13.3 (1200-009).
- Vehicle(s): 2015-2017 NX200t.
- Description: Several "Active Test" command buttons are inoperable.
- Status: Corrected with v13.3 (1220-003).
- Vehicle(s): 2015-2017 Camry Hybrid and CT200h.
- Description: Even though all preconditions were met, clicking Next results in error of "Lost Communication with Vehicle".
- Status: Corrected with v13.1 (1200-001).
Health Check won't complete or unable to load Techstream Registration Page
- Vehicle(s): n/a
- Description: Techstream defaults to "Corporate" user when installing/updating Techstream. The default should be "US Dealer 1". A telltale sign of
the wrong user type for Dealers are missing features (i.e. Customer Friendly Health Check).
- Status: Corrected with v 13.1 (1130-001).
Health Check results in Java Error (UnmarshalException)
- Vehicle(s): Sienna and other models
- Description: Some vehicles receive a Java Error before Health Check completes which prevents further progress.
- Status: Corrected with v13.0 (1000-004, 1210-004).
Vehicle Connection Wizard doesn't populate vehicle information
- Vehicle(s): 2016-2017 iA and Yaris
- Description: When connecting to vehicle
Techstream V12.1 - V12.2 doesn't populate vehicle Division, Model, Model
Year, and Engine ID.
- Status: Corrected with version 12.3 (1210-003).
Slide Roof Active Test Inoperable
- Vehicle(s): 2017 Avalon & Camry.
- Description: While attempting to operate "Slide Roof" in Active Test the roof appears
unresponsive to the command buttons. Additionally, once front or rear limits are reached a "Lost Communication" error presents itself.
- Status: Corrected with v12.3 (1200-006).
2018 Camry Registering Winter Wheels or second set of tires with TPMS sensors.
- Vehicle(s): 2018 Camry
- Description: Registering of second set of tires with TPMS sensors such as a "Winter wheel and tire set". The Owner's manual states that the vehicle can
store the ID's of two sets of tires, a "Main" and a "2ND" set. Techstream
software doesn't yet support this function but will in a future release.
- Status: Corrected with version 12.3
(TMC1220-01).
Explanation for the Desired RPM Active Test is vague
- Vehicle(s): 2016 iA.
- Description: Execute condition lacks instruction for manual transmission equipped vehicles.
- Status: Corrected with version 12.2 (1020-014).
2017 Avanza Utilities are missing
- Vehicle(s):2017 Avanza
- Description: The "Reset Memory" and "Initializing Meter Vehicle Information" Utilities are missing when connecting to a 2017 Avanza.
- Work Around: Manually connect as a 2016 Avanza.
- Status: Corrected with v12.0 (TMC1130-03).
Cannot perform the D-4S (A/F Control) Active Test
- Vehicle(s):2016 Tacoma
- Description: Port settings can be adjusted. However, Active Test fails when attempting Direct adjustments.
- Status: Corrected with v11.2 (1020-009).
Multiple ECU descriptions are incorrect or blank
- Vehicle(s):2016 iA
- Description: Power Source Control ECU is inaccurate, Restraint Control Module has no description, SCBS ECU has no description, Navigation Receiver ECU has no description, ABS ECU has no description, Electronic-Controlled Power Steering has no description.
- Status: Corrected with v11.0 (1020-024).
Evaporative System Check Utility Fails
- Vehicle(s): 2014 Corolla & 2015-2017 LX570.
- Description: Utility fails after running the engine for a few minutes although all preconditions are met.
- Work Around: Turn vehicle IG OFF for 5 minutes, exit Techstream and restart, then retry Utility. This process will only work for one key cycle. If the utility fails, it
requires another IG OFF process to perform a second system check.
- Status: Corrected with v13.3 (1000-005).
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