2026 Lexus RZ TSBs
26 Technical Service Bulletins across 6 categories
Electrical
11 bulletinsSome 2026 model year RZ 350e, RZ 450e, and RZ 550e vehicles may exhibit the Diagnostic Trouble Code (DTC) U25521F...
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associated with the level 3 DC fast charging. Under certain conditions, charging may either operate normally or experience failure, with a charging malfunction message displayed on the Multi-Information Display (MID). This condition is attributed to a control logic issue and potential voltage drop affecting Plug-In Charge Control Computer Assembly functionality. The control logic has been modified to reduce the possibility of this condition.
State of Health (SOH): An estimate of battery health that is updated as the vehicle learns from operating and charging conditions over time.
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Distance Since Last Update: Indicates the distance accumulated since the last SOH calculation. A default mileage value of 40,727 at SOH 100% may be displayed until sufficient vehicle learning is completed. Once SOH value updates from 100%, the Distance Since Last Update value will re-set to 0 miles. Both SOH and Distance Since Last Update values will continue to update as the vehicle continues to learn.
Some 2026 model year RZ 350e, RZ 450e, and RZ 550e vehicles may exhibit the Diagnostic Trouble Code (DTC) U255221F...
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associated with the level 3 DC fast charging. Under certain conditions, charging may either operate normally or experience failure, with a charging malfunction message displayed on the Multi-Information Display (MID). This condition is attributed to a control logic issue and potential voltage drop affecting Plug-In Charge Control Computer Assembly functionality. The control logic has been modified to reduce the possibility of this condition.
A battery in a stored vehicle is subject to conditions that can reduce its performance and service life.
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These conditions include storage period, temperature, parasitic drain, and battery load. Because of these factors, battery inspection and maintenance are required in order to ensure proper operation and optimal battery life.
Pre-Delivery Service (PDS) is a critical step in satisfying our new car customers.
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Customer feedback indicates the following areas deserve special attention when performing PDS: Careful inspection for paint chips/scratches and body dents/dings. Proper operation of electrical accessories (including interior light, clock, and radio reset). Interior cleanliness. Proper function of mechanical systems. The PDS process helps identify potential vehicle concerns before customer delivery. After completing the PDS process, maintain accurate PDS records by ensuring the required documents listed below are completed and recorded in accordance with Lexus Warranty Policy. GTS+ Health Check Completed PDS Check Sheet Battery Charge Test Print Out GTS+ Tire Pressure Information Customer retention and proper maintenance of vehicles are and have always been a major focus for Lexus. To help remind customers that regular service is essential to the proper maintenance of the vehicle, dealers are required to install a service reminder sticker before delivery. By doing this, customers will be reminded to return to your dealership for service. Your current service reminder sticker may be used. This bulletin contains the PDS procedures that apply specifically to 2026 model year RZ 350e, RZ 450e, and RZ 550e vehicles.
A battery in a stored vehicle is subject to conditions that can reduce its performance and service life.
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These conditions include storage period, temperature, parasitic drain, and battery load. Because of these factors, battery inspection and maintenance are required in order to ensure proper operation and optimal battery life.
The 2026 model year Lexus vehicles are equipped with driver side floor mat retainers to secure the floor mat in the correct position.
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In addition, some models may also utilize retainers for passenger side and rear seat floor mats. During Pre-Delivery Service (PDS), follow the Installation Procedure in this bulletin to attach the driver side, and if applicable, the passenger side and rear seat floor mats to the vehicle carpet using the floor mat retainers. If installation instructions are included in the floor mat kit, place the instructions in the vehicles glove box for customer reference.
A battery in a stored vehicle is subject to conditions that can reduce its performance and service life.
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These conditions include storage period, temperature, parasitic drain, and battery load. Because of these factors, battery inspection and maintenance are required in order to ensure proper operation and optimal battery life.
The 2026 model year Lexus vehicles are equipped with driver side floor mat retainers to secure the floor mat in the correct position.
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In addition, some models may also utilize retainers for passenger side and rear seat floor mats.
A battery in a stored vehicle is subject to conditions that can reduce its performance and service life.
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These conditions include storage period, temperature, parasitic drain, and battery load. Because of these factors, battery inspection and maintenance are required in order to ensure proper operation and optimal battery life.
2026 model year Lexus vehicles are equipped with driver side floor mat retainers to secure the floor mat in the correct position.
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In addition, some models may also utilize retainers for passenger side and rear seat floor mats. During Pre-Delivery Service (PDS), follow the Installation Procedure in this bulletin to attach the driver side, and if applicable, the passenger side and rear seat floor mats to the vehicle carpet using the floor mat retainers. If installation instructions are included in the floor mat kit, place the instructions in the vehicles glove box for customer reference.
Other
5 bulletinsOBSOLETE NOTICE Month ##, 2026: This bulletin is now obsolete.
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Please see L-SB-0018-26
OBSOLETE NOTICE June 18, 2026: This bulletin is now obsolete.
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Please see L-SB-0017-26.
OBSOLETE NOTICE June 15, 2026: This bulletin is now obsolete.
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Please see L-SB-0016-26.
OBSOLETE NOTICE February 10, 2026: This bulletin is now obsolete.
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Please see L-SB-0005-26.
Some customers may experience operational difficulties with some telematics features which they cannot resolve on their own.
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These resources, in conjunction with the Repair Manual, are for dealership personnel to assist those customers with user issues, user errors, and compatibility issues with other vehicle systems and external applications encountered while operating telematics features.
Tires & Wheels
4 bulletinsDuring the manufacturing process, tires are mounted on the vehicle as matched sets to help reduce conditions such as pulling or drifting.
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If the wheels are replaced or refinished before vehicle delivery, it is important that the tires remain on the vehicle in the same location and in the same direction of rotation.
During the manufacturing process, tires are mounted on the vehicle as matched sets to help reduce conditions such as pulling or drifting.
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If the wheels are replaced or refinished before vehicle delivery, it is important that the tires remain on the vehicle in the same location and in the same direction of rotation.
During the manufacturing process, tires are mounted on the vehicle as matched sets to help reduce conditions such as pulling or drifting.
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If the wheels are replaced or refinished before vehicle delivery, it is important that the tires remain on the vehicle in the same location and in the same direction of rotation.
During the manufacturing process, tires are mounted on the vehicle as matched sets to help reduce conditions such as pulling or drifting.
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If the wheels are replaced or refinished before vehicle delivery, it is important that the tires remain on the vehicle in the same location and in the same direction of rotation.
Fuel System
4 bulletinsLong-term or off-site storage requires special care to maintain vehicle condition.
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The following guidelines should be performed to minimize vehicle component/part degradation due to extended vehicle storage conditions. Long-term storage can affect a vehicles systems and components. Anyproblems that are found should be corrected immediately.
Long-term or off-site storage requires special care to maintain vehicle condition.
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The following guidelines should be performed to minimize vehicle component/part degradation due to extended vehicle storage conditions. Long-term storage can affect a vehicles systems and components.
Long-Term Vehicle Storage Guidelines Long-term or off-site storage requires special care to maintain vehicle condition.
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The following guidelines should be performed to minimize vehicle component/part degradation due to extended vehicle storage conditions. Long-term storage can affect a vehicles systems and components. Any problems that are found should be corrected immediately.
Long-term or off-site storage requires special care to maintain vehicle condition.
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The following guidelines should be performed to minimize vehicle component/part degradation due to extended vehicle storage conditions. Long-term storage can affect a vehicles systems and components. Any problems that are found should be corrected immediately.
Lighting
1 bulletinSome Customers for the listed vehicles may have complaint of the following: unable to charge the vehicle using the supplied level 1 or 2 charger.
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Additionally, most will indicate one or more of the LEDs on the charger will illuminate at the time of no charge. Charging at other stations is still possible.
Body & Paint
1 bulletinSome 2005 2026 Lexus vehicles that have undergone water intrusion may exhibit a condition in which a musty odor is present.
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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 for odor remediation. Refer to the applicable model and model year Repair Manuals and the EPA (Environmental Protection Agency) website for the most up-to-date safety and precautionary guidelines. This Service Bulletin is to provide a general overview and direction for the odor remediation process.