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TIS techstream

Known Bugs List

Version 18.00.008 Software
Last Updated: 3/15/2023
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Open Issues

  1. 2023 GR Corolla EMPS System Not Supported
  2. Active Test will cause Custom Data List changes
  3. CUWC states that Techstream is not installed or registered
  4. "TIS Keyword" Search feature will not open TIS correctly
  5. Cannot Perform DCM Activation on 2017 Prius Prime

Design Limitations

  1. Inaccurate Fuel Consumption test results
  2. SRS Airbag Data List does not load and VCH Utility fails
  3. Flagged points do not display when viewing the Data List graph
  4. Printed files do not display correctly
  5. Smart Code Reset fails when all keys are lost
  6. 86 Models will not complete CUW reprogramming
  7. The Error Report window opens repeatedly
  8. Unable to communicate with Air Conditioning or AutoLeveling Headlights
  9. Techstream Kilometers display does not match vehicle's Odometer
  10. Main Body ECU missing Wireless Code Registration Utility
  11. Unable to export .csv file from Dual Data List and Active Test
  12. ECT ECU unable to "Read Configuration"
  13. Check Cylinder Compression Active Test doesn't record cylinder speeds
  14. Seed Code does not generate during Immobilizer Reset
  15. Vehicle information does not Auto-populate
  16. Cannot perform the Control the Injection Mode Active Test
  17. Vehicle Combination Meter units do not reflect being changed by Techstream
  18. Back Door Active Test results in Fatal Error
  19. DTC P1121 description misleading
  20. Monitor for O2 sensor fails consistently
  21. Confusing PIDs Displayed in TPMS ECU
  22. Monitor Function Unavailable
  23. Powertrain DTCs with FFD Have No Designation
  24. Confusing Door Courtesy Light Values
  25. Cannot Connect Using Generic OBDII
  26. HL Auto Leveling Active Test Inapplicability and Errors
  27. Health Check DTC Clear All Failure
  28. Immobilizer/Smart Key Reset Abnormal Operation

Closed Issues

  1. 2022 Avanza and Raize missing support
  2. bZ4X vehicle connection concern
  3. During Health Check, Software as a Part progress bar loops
  4. Cannot connect to Navigation system
  5. Unable to connect to systems from Health Check Result screen
  6. Vehicle Information Registration results in Navigation display error
  7. Performing Customer Friendly Health Check report ends in error/No Health Check Results on TIS
  8. Printing to PDF causes disconnection from vehicle
  9. Some 1998 and earlier models will not communicate with Techstream
  10. Unable to view Live Data and incorrect "Offline Mode" messages
  11. Incorrect message that "Techstream is not registered to an authorized dealership"
  12. Techstream does not populate vehicle information for 2021 Corolla
  13. Techstream does not populate vehicle information for 2021 Hiace
  14. ECU Security Key write process ends with error
  15. Special CUW Maintenance Tool not compatible with Techstream
  16. Unable to connect to Telematics system
  17. Steering rack can not be initialized after replacement
  18. Fatal Error when accessing Utility function
  19. CAN Bus check will not complete
  20. During Health Check "ATX web service unavailable" message occurs
  21. Vehicle information does not populate on 2020 RAV4 models
  22. Graphing in Engine and ECT will cause Techstream to disconnect from vehicle
  23. The "Custom Data List" in Engine and ECT Live fails when attempting to graph

Open Issues



2023 GR Corolla EMPS System Not Supported



Active Test will cause Custom Data List changes

TIS techstream



CUWC states that Techstream is not installed or registered

TIS techstream



"TIS Keyword" search feature will not open TIS correctly

TIS techstream



Cannot Perform DCM Activation on 2017 Prius Prime



Design Limitations



Inaccurate Fuel Consumption test results

TIS techstream



SRS Airbag Data List does not load and VCH Utility fails

TIS techstream



Flagged points do not display when viewing the Data List graph

TIS techstream



Printed files do not display correctly

TIS techstream



Smart Code Reset fails when all keys are lost

TIS techstream



86 Models will not complete CUW reprogramming

TIS techstream



The Error Report window opens repeatedly

TIS techstream



Unable to communicate with Air Conditioning or AutoLeveling Headlights

TIS techstream



Techstream Kilometers display does not match vehicle's Odometer

TIS techstream



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"

TIS techstream



Check the Cylinder Compression Active Test doesn't record Cylinder Speeds

TIS techstream



TIS techstream



Seed Code does not generate during Immobilizer Reset



Vehicle Information does not Auto-populate



Cannot perform the Control the Injection Mode Active Test

TIS techstream



Vehicle Combination Meter units do not reflect being changed by Techstream

TIS techstream



Back Door Active Test results in Fatal Error



DTC P1121 description misleading

TIS techstream



Monitor for O2 sensor fails consistently

TIS techstream



Confusing PIDs Displayed in TPMS ECU

TIS techstream



Monitor Function Unavailable

TIS techstream



Powertrain DTCs with FFD Have No Designation

TIS techstream



Confusing Door Courtesy Light Values

TIS techstream



Cannot Connect Using Generic OBDII

TIS techstream



HL Auto Leveling Active Test Inapplicability and Errors

TIS techstream



Health Check DTC Clear All Failure



Immobilizer/Smart Key Reset Abnormal Operation



Closed Issues



2022 Avanza and Raize missing support

TIS techstream



bZ4X vehicle connection concern

TIS techstream



During Health Check, Software as a Part progress bar loops

TIS techstream



Cannot connect to Navigation system

TIS techstream



Unable to connect to systems from Health Check Result screen

TIS techstream



Vehicle Information Registration results in Navigation display error

TIS techstream



Performing Customer Friendly Health Check report ends in error/No Health Check Results on TIS

TIS techstream



Printing to PDF causes disconnection from vehicle

TIS techstream



Some 1998 and earlier models will not communicate with Techstream

TIS techstream



Unable to view Live Data after "Offline Mode" message

TIS techstream



Incorrect message that "Techstream is not registered to an authorized dealership"

TIS techstream



Techstream does not populate vehicle information for 2021 Corolla

TIS techstream



Techstream does not populate vehicle information for 2021 Hiace

TIS techstream



ECU Security Key write process ends with error

TIS techstream



Special CUW Maintenance Tool not compatible with Techstream

TIS techstream



Unable to connect to Telematics system

TIS techstream



Steering rack can not be initialized after replacement

TIS techstream



Fatal Error when accessing Utility function

TIS techstream



CAN Bus check will not complete

TIS techstream



During Health Check "ATX web service unavailable" message occurs

TIS techstream



Vehicle information does not populate on 2020 RAV4 models

TIS techstream



Graphing in Engine and ECT will cause Techstream to disconnect from vehicle

TIS techstream



Custom Data List in Engine and ECT Live fails when attempting to graph

TIS techstream



End