communication

Please see Limited Service Campaign (LSC) 22TD03 (Link Needed) Condition: The subject vehicles are equipped with a DCM (Data Communication Module), a device that provides cellular communication with Toyota Connected Services. The DCM activation was not completed during vehicle delivery. An...

Please see Tech Tip T-TT-0694-22 Condition: After jump-starting, the vehicle may experience a no-start condition and multiple DTCs including U010087. Upon investigation, it is found that the engine ECU has been damaged and needs to be replaced (Fig 1). In several cases, it was found that the...

Please see SPECIAL SERVICE CAMPAIGN 22TC01 Check here to see if this Recall applies to your Toyota vehicle TECHNICAL INSTRUCTIONS FOR 22TC01 APPLICABLE VEHICLES: Condition: Due to improper programming of the Data Communication Module (DCM), which provides cellular communication in various...

Please see T-SB-0006-22 Applicability: 2022 Toyota Tundra VDS(s): KB5AA, KB5AB, KB5CD, KB5DA, KB5DB, KB5GD (Please see this Post to determine VDS and WMI's) Introduction: Some 2022 model year Tundra SR grade vehicles may display a Multi-Information Display (MID) warning message “LTA...

If you run across a 2021 Toyota Tacoma (also [possibly Tundra, 4runner and Rav4) and have code U0235 Lost Communication With Cruise Control Front Distance Range Sensor stored (due to some body work, collision or had work done on the front bumper) then you may want to go into the ABS ECU, clear...

2021 Highlander LIN Communication down on the 4B-17 Ckt. If a hitch was installed the connector is stuffed under the bumper cover to rot.

Please see T-SB-0045-20 Applicability: 2019-2020 RAV4 Hybrid Introduction: Some 2019 – 2020 model year RAV4 HV vehicles may experience a difficult-to-start condition accompanied by a hybrid system warning lamp occurring during below-freezing temperatures (< 32°F). This condition may occur at...

This bulletin T-SB-0019-19 details the supplemental procedure to confirm Telematics Data Communication Module (DCM) activation for applicable 2017 – 2019 model year Toyota vehicles after the process is initiated by Techstream. The steps outlined in this bulletin include: *Techstream Messages...

As much as fully autonomous vehicles are in the news, none of us will be commuting to work in a self-driving car for at least two decades. Meanwhile, Toyota says it will use technology, called V-2-V, in all its cars within a few years with claims it will save thousands of lives each year — as...

Toyota says it will start equipping models with technology to talk to other vehicles starting in 2021, as it tries to push safety communications forward. The company says most of its U.S. models should have the feature by the mid-2020s. Vehicle-to-vehicle signals can warn others of heavy...

If you run across a 2008 Toyota Tundra (3UR-FE) and have a no start, no ECM communication condition and there is no "Check Engine Light" bulb illuminated during the function check, disconnect the secondary air valves.These have a tendency to short the 5 volt reference line and stop all ECM...