2023 Toyota Corolla Cross Technical Service Bulletins

106 technical service bulletins (TSBs) are on record for the 2023 Toyota Corolla Cross. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10241404Jul 25, 2023Engine cooling. TSB: Flash reprogramming allows the Electronic Control Unit (ECU) software to be updated without replacing the ECU. Flash calibration updates for specific vehicle models/ECUs are released as field-fix procedures described in individual Service Bulletins. This bulletin details the Global Techstream+ (GTS+) ECU flash reprogramming procedures and outlines use of the Technical Information System (TIS) and the…
• 10241387Jul 3, 2023Wheels. TSB: Some 2023 ? 2024 model year Toyota vehicles use hub bolts in place of studs/nuts to fasten the wheels to the vehicle. If non-compatible wheels or hub bolts/nuts are installed, there is increased risk that the wheel(s) could come off resulting in a crash. This service bulletin outlines the physical differences and precautions that should be taken when servicing different wheel and wheel fastener types.
• 10238126May 1, 2023Equipment. TT: When setting up the Toyota Audio Multimedia (21MM) user profile, if the QR code is not working please use the following recommendations.
• 10236213Apr 27, 2023Visibility (wipers, defrost, mirrors). TSB: Some 2022 ? 2023 model year Corolla Cross vehicles may exhibit an intermittent condition during windshield wiper operation where the stop and start system does one or both of the following: ?Does not restart the engine. ?Reactivates after being manually canceled. The stop and start ECM (SAE term: Powertrain Control Module/PCM) logic has been modified to correct this condition.
• 10234338Mar 27, 2023Engine cooling. TT: Some Model Year 2018-2023 vehicles equipped with A25A-FKS/FXS or M20A-FKS/FXS engines may display the following message ?Engine Maintenance Required Visit Your Dealer? on the combination meter
• 10234325Mar 15, 2023Steering. TSB: Some 2021 ? 2023 model year Toyota vehicles may require the download and installation of vehicle specific software or configuration software when the Electronic Control Unit (ECU) is replaced. Techstream software has been modified to indicate when configuration software is required. A new Configure column has been added to the Techstream Health Check Results screen to show when configuration software is…

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