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.

• 11029896Feb 27, 2026Engine. OBSOLETE NOTICE February 27, 2026: This bulletin is no longer applicable and is now obsolete.
• 11029887Feb 11, 2026Body and structure. Some 2022 – 2026 model year Corolla Cross and 2023 – 2026 model year Corolla Cross Hybrid vehicles may exhibit a loose roof rail. This condition may be present at the front and/or rear of one or both roof rails.
• 11028712Jan 7, 2026Other or unknown. Some 2005 – 2026 Toyota vehicles that have undergone water intrusion may exhibit a condition in which a musty odor is present. Follow the procedures in this bulletin to remediate the odor and address this condition. The purpose of this Service Bulletin is to provide general guidelines and procedures for odor remediation. This Service Bulletin provides a guide on how to prepare and treat the interior of the vehicle…
• 11026306Nov 7, 2025Electrical system. A new head unit software update is available for 2022 – 2025 model year Tundra, and Tundra Hybrid; 2023 – 2025 model year Corolla Cross, Corolla Cross Hybrid, Highlander, Highlander Hybrid, Mirai, and Sequoia Hybrid vehicles equipped with Toyota Multimedia versions earlier than version 2230.
• 11024075Sep 9, 2025Electrical system. A new head unit software update is available for 2023 model year Corolla Cross, Corolla Cross Hybrid, Highlander, Highlander Hybrid, and Mirai vehicles equipped with Toyota Multimedia (earlier than version 2170). This software update includes the following improvements: •User Profile. •User interface. •Cloud navigation. •Intelligent assistant voice recognition. •Bug fixes.
• 11024072Sep 2, 2025Body and structure. Some 2022 – 2025 model year Corolla Cross and 2023 – 2025 model year Corolla Cross Hybrid vehicles may exhibit a loose roof rail. This condition may be present at the front and/or rear of one or both roof rails.
• 11022951Aug 11, 2025Body and structure. Some 2022 – 2024 model year Corolla Cross and Corolla Cross Hybrid vehicles equipped with a driver seat that has manual (non-power) adjustment controls may exhibit a driver seat base that sinks or gradually lowers. This can occur due to inadvertent contact with the vertical adjusting handle.
• 11021717Jul 11, 2025Forward collision avoidance. TECHNICAL INSTRUCTIONS FOR 25TC03 REPROGRAMMING FOR FORWARD RECOGNITION CAMERA CERTAIN 2023 COROLLA CROSS 2023 COROLLA CROSS HV 2023 Bz4x
• 11020670Jun 25, 2025Electrical system. Some 2021 – 2022 model year Avalon, 2018 – 2024 Camry, 2019 – 2025 model year Corolla, 2022 – 2025 model year Corolla Cross, and 2019 – 2025 model year RAV4 vehicles with A25A-FKS and M20A-FKS engines may have a MIL ON condition with one or more of the following Diagnostic Trouble Codes (DTCs) upon cold soak start up with engine coolant temperatures between 14°F – 41°F: •P030027 – Random/Multiple Cylinder Misfire…
• 11020657Jun 13, 2025Electrical system. The air conditioning dye injection tool kit has been developed to aid in identifying the location of air conditioning refrigerant leaks. The procedures outlined in this Service Bulletin aid in locating, inspecting, and repairing refrigerant leaks.
• 11019361Apr 19, 2025Forward collision avoidance. Technical instructions for 25tc03 reprogramming for forward recognition camera certain 2023 corolla cross 2023 corolla cross hv 2023 bz4x
• 11018358Apr 19, 2025Forward collision avoidance. Technical instructions for 25tc03 reprogramming for forward recognition camera certain 2023 corolla cross 2023 corolla cross hv 2023 bz4x
• 11019357Apr 17, 2025Forward collision avoidance. Frequently Asked Questions SPECIAL SERVICE CAMPAIGN 25TC03 Certain 2023 Model Year Corolla Cross Certain 2023 Model Year Corolla Cross HV Certain 2023 Model Year bZ4x Certain 2021-2023 Model Year Sienna HV TSS 3.0 Forward Recognition Camera Software Update
• 11019356Apr 17, 2025Forward collision avoidance. Included vehicles are equipped with Toyota Safety Sense (TSS) 3.0, which includes the Pre-Collision System (PCS), which uses the forward recognition camera. In rare cases, a software programming issue can damage the forward recognition camera. This will result in the Pre-Collision System not working the next time the car is started.
• 11018354Apr 17, 2025Forward collision avoidance. Frequently Asked Questions SPECIAL SERVICE CAMPAIGN 25TC03 Certain 2023 Model Year Corolla Cross Certain 2023 Model Year Corolla Cross HV Certain 2023 Model Year bZ4x Certain 2021-2023 Model Year Sienna HV TSS 3.0 Forward Recognition Camera Software Update
• 11018353Apr 17, 2025Forward collision avoidance. Included vehicles are equipped with Toyota Safety Sense (TSS) 3.0, which includes the Pre-Collision System (PCS), which uses the forward recognition camera. In rare cases, a software programming issue can damage the forward recognition camera. This will result in the Pre-Collision System not working the next time the car is started.
• 11019349Apr 16, 2025Forward collision avoidance. Technical instructions for 25tc03 reprogramming for forward recognition camera certain 2023 corolla cross 2023 corolla cross hv 2023 bz4x
• 11019348Apr 16, 2025Forward collision avoidance. Frequently Asked Questions SPECIAL SERVICE CAMPAIGN 25TC03 Certain 2023 Model Year Corolla Cross Certain 2023 Model Year Corolla Cross HV Certain 2023 Model Year bZ4x Certain 2021-2023 Model Year Sienna HV TSS 3.0 Forward Recognition Camera Software Update
• 11019347Apr 16, 2025Forward collision avoidance. Included vehicles are equipped with Toyota Safety Sense (TSS) 3.0, which includes the Pre-Collision System (PCS), which uses the forward recognition camera. In rare cases, a software programming issue can damage the forward recognition camera. This will result in the Pre-Collision System not working the next time the car is started.
• 11018346Apr 16, 2025Forward collision avoidance. Technical instructions for 25tc03 reprogramming for forward recognition camera certain 2023 corolla cross 2023 corolla cross hv 2023 bz4x
• 11018345Apr 16, 2025Forward collision avoidance. Frequently Asked Questions SPECIAL SERVICE CAMPAIGN 25TC03 Certain 2023 Model Year Corolla Cross Certain 2023 Model Year Corolla Cross HV Certain 2023 Model Year bZ4x Certain 2021-2023 Model Year Sienna HV TSS 3.0 Forward Recognition Camera Software Update
• 11018344Apr 16, 2025Forward collision avoidance. Included vehicles are equipped with Toyota Safety Sense (TSS) 3.0, which includes the Pre-Collision System (PCS), which uses the forward recognition camera. In rare cases, a software programming issue can damage the forward recognition camera. This will result in the Pre-Collision System not working the next time the car is started.
• 11019331Apr 2, 2025Electrical system. To assist with the early detection and early resolution of audio related concerns you may be asked to recover MMR data from the head unit. The following steps are instructions on how to retrieve the data from the system and are only to be used when requested by FTS and/or FPE.
• 11018328Apr 2, 2025Electrical system. To assist with the early detection and early resolution of audio related concerns you may be asked to recover MMR data from the head unit. The following steps are instructions on how to retrieve the data from the system and are only to be used when requested by FTS and/or FPE.
• 11015882Feb 12, 2025Engine. OBSOLETE NOTICE February 11, 2025: This bulletin is now obsolete. Please see T-SB-0021-25.
• 11016782Feb 10, 2025Engine. 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 Calibration…
• 11016781Feb 10, 2025Electrical system. The Immobilizer and Smart Key Reset is a feature that allows the registration of new keys when all master keys are lost. Once the system is reset, all previously registered keys will be erased and can never be reused. Another feature, Add/Remove Key, is also available. Once a key is removed, it can never be reused.
• 11015496Feb 10, 2025Engine. 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 Calibration…
• 11015495Feb 10, 2025Electrical system. The Immobilizer and Smart Key Reset is a feature that allows the registration of new keys when all master keys are lost. Once the system is reset, all previously registered keys will be erased and can never be reused. Another feature, Add/Remove Key, is also available. Once a key is removed, it can never be reused.
• 11014211Jan 30, 2025Electrical system. OBSOLETE NOTICE January 30, 2025: This bulletin is now obsolete. Please see T-SB-0015-25.
• 11014209Jan 29, 2025Electrical system. Some 2021 – 2025 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. GTS+ software has been modified to indicate when configuration software is required. A new Configure column has been added to the GTS+ Health Check Results screen to show when configuration software is available for a…
• 11014193Jan 23, 2025Electrical system. OBSOLETE NOTICE January 23, 2025: This bulletin is now obsolete. Please see T-SB-0011-25.
• 11014190Jan 23, 2025Electrical system. When certain vehicle ECUs are replaced, the ECU Security Key must be written in order for that ECU to communicate on the vehicle network. The GTS+ Software Health Check Results screen has been enhanced to help identify if a replacement ECU requires an ECU Security Key.
• 11012762Dec 17, 2024Body and structure. Some 2021 – 2022 model year Avalon, 2018 – 2024 Camry, 2019 – 2025 model year Corolla, 2022 – 2025 model year Corolla Cross, and 2019 – 2025 model year RAV4 vehicles with A25A-FKS and M20A-FKS engines may have a MIL ON condition with one or more of the following Diagnostic Trouble Codes (DTCs) upon cold soak start up with engine coolant temperatures between 14°F – 41°F: •P030027 – Random/Multiple Cylinder Misfire…
• 11012744Dec 6, 2024Body and structure. The condition known as acid rain is caused by airborne chemicals or particles in the atmosphere, which mix with rainwater, nighttime dew, or high humidity to form acidic compounds. If these contaminants settle and remain on a painted vehicle surface, especially the horizonal areas of the hood, roof, and decklid, significant damage can occur. This damage is the result of actual etching of the paint and appears as…
• 11012743Dec 6, 2024Body and structure. To prevent brake rotor rust from forming during transportation and storage, wheel film will be used instead of a cardboard type of anti-rust cover. The purpose of the wheel film is to shield the disc brake rotor from weather elements and initial rust before the vehicle is delivered to the customer. Consequently, the film should remain on the wheel for as long as possible.
• 11012742Dec 6, 2024Body and structure. Acid rain results from rainwater or other airborne moisture that become acidic due to industrial chemical impurities in the atmosphere. If these acidic compounds settle on an exposed vehicle, especially the horizontal areas such as the hood, roof, and decklid, significant damage to the painted surfaces can occur. Acid rain damage can typically be identified on vehicles by the presence of stains on the paint surface…
• 11012735Dec 5, 2024Body and structure. Toyota vehicles are currently protected with RapgardTM protective film designed to protect the horizontal painted surfaces. This material protects from acid rain, environmental fallout, and rail contamination. Follow the Removal Procedure in this bulletin to remove the RapgardTM protective film within 90 days from initial application.
• 11012727Dec 3, 2024Body and structure. Vehicles may occasionally be subjected to contamination by airborne iron particles shed from railroad tracks, train wheels, exposure to heavy machinery facilities, grinding, welding, etc. This type of contamination can be identified by the presence of small, red or brown particles on the paint surface. These particles are often difficult to see on dark color paints but can be easily felt when brushing a hand across…
• 11011642Nov 13, 2024Engine. Some technicians may report an engine oil leak from the Engine Oil Level Sensor area
• 11010326Oct 1, 2024Electrical system. Some 2023 model year RAV4 Prime vehicles with Data Communication Module (DCM) firmware version earlier than LG-N210hh1V1V-09 may exhibit a condition in which the remote climate system is inoperative after the vehicle has been off for three hours or more.
• 11010095Sep 24, 2024Engine. OBSOLETE NOTICE September 24, 2024: This bulletin is now obsolete. Please see T-SB-0081-24
• 11010094Sep 23, 2024Engine. Some 2023 – 2024 model year Corolla and Corolla Cross vehicles with M20A-FKS engines may exhibit a MIL ON condition with one or both of the following Diagnostic Trouble Codes (DTCs) present: •P11EA00 – (Bank 1 Air-Fuel Ratio Imbalance (Port)) •P013A7C – (A/F Sensor – Rich to Lean Bank 1 Sensor 2 Slow Response) There are no drivability issues or other symptoms associated with this condition.
• 11010063Sep 11, 2024Engine. 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. Follow the Repair Procedure in this…
• 11010062Sep 11, 2024Engine. Some 2021 – 2024 model year Corolla, 2022 – 2024 model year Corolla Cross, and 2023 – 2024 model year Corolla Cross Hybrid vehicles with M20A-FKS or M20A-FXS engines may exhibit an oil leak that originates between the oil pan sub-assembly and the stiffening crankcase assembly.
• 11007455Jul 29, 2024Body and structure. Some 2005 – 2024 Toyota vehicles that have undergone water intrusion may exhibit a condition in which a musty odor is present. Follow the procedures in this bulletin to remediate the odor and address this condition. The purpose of this Service Bulletin is to provide general guidelines and procedures for odor remediation. This Service Bulletin provides a guide on how to prepare and treat the interior of the vehicle…
• 11006161Jul 29, 2024Body and structure. Some 2005 – 2024 Toyota vehicles that have undergone water intrusion may exhibit a condition in which a musty odor is present. Follow the procedures in this bulletin to remediate the odor and address this condition. The purpose of this Service Bulletin is to provide general guidelines and procedures for odor remediation. This Service Bulletin provides a guide on how to prepare and treat the interior of the vehicle…
• 11007454Jul 18, 2024Electrical system. OBSOLETE NOTICE July 18, 2024: This bulletin is now obsolete. Please see T-SB-0062-24.
• 11007453Jul 18, 2024Electrical system. Some 2023 model year RAV4 Prime vehicles with Data Communication Module (DCM) firmware version earlier than LG-N210hh1V1V-09 may exhibit a condition in which the remote climate system is inoperative after the vehicle has been off for three hours or more.
• 11006160Jul 18, 2024Electrical system. OBSOLETE NOTICE July 18, 2024: This bulletin is now obsolete. Please see T-SB-0062-24.

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