2018 Lexus IS 300 Technical Service Bulletins

116 technical service bulletins (TSBs) are on record for the 2018 Lexus IS 300. 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.

• 10132447Aug 4, 2017Electrical system. TSB: To minimize battery discharge during transportation and storage, the D/C Cut Fuse (20A) has been removed at the assembly plant, and temporarily stored in the blank space of the Relay Block in the engine compartment. Reinstall the D/C Cut Fuse (20A) into its original location and clear all related Diagnostic Trouble Codes (DTCs) during Pre-Delivery Service (PDS).
• 10132395Jun 30, 2017Electrical system. TSB: To minimize battery discharge during transportation and storage, the short pin has been removed at the assembly plant and temporarily stored in the engine compartment Relay Block. Reinstall the short pin into its original location and confirm all related Diagnostic Trouble Codes (DTCs) are cleared during Pre-Delivery Service (PDS).
• 10132394Jun 30, 2017Equipment, Electrical system. TSB: This bulletin provides general high-voltage safety precautions for the hybrid system. The hybrid system circuits operate with up to 650V. These high voltages are dangerous and can cause severe personal injuries, burns and electrical shock if proper safety precautions are NOT followed. Be sure to carefully review ALL applicable Repair Manual procedures BEFORE performing service.
• 10132393Jun 30, 2017Tires. TSB: 2018 model year ES 300h and ES 350 vehicles are equipped with a direct-type Tire Pressure Warning System (TPWS). Each tire (except the spare tire) has a tire pressure warning valve/sensor that measures tire pressure data. The data is transmitted to the Tire Pressure Warning System antenna/receiver and then to the Tire Pressure Warning System ECU. During Pre-Delivery Service (PDS), TPWS MUST be initialized…
• 10132392Jun 30, 2017Equipment. TSB: The front license plate mounting bracket and 2 self-tapping screws for the 2018 model year ES 300h and ES 350 are stored in the luggage compartment. Install the license plate and mounting bracket during Pre-Delivery Service (PDS).
• 10132386Jun 27, 2017Visibility (wipers, defrost, mirrors), Electrical system. TSB: 2018 model year ES 300h and ES 350 vehicles are equipped with a compass in the rear view mirror. Use the following procedure to complete initial calibration of the compass during Pre-Delivery Service (PDS). NOTE: When the compass is NOT in calibration mode, pushing the mirror switch will toggle the compass display ON and OFF. NOTE: ?
• 10132370Jun 21, 2017Wheels, Brakes, Equipment. TSB: The front wheel opening extension pad set (right and left front wheel opening extension pads and 2 self-tapping screws) is loaded in the luggage compartment at the assembly plant to avoid damage in transit. Install the front wheel opening extension pads to the vehicle during Pre-Delivery Service (PDS).
• 10142501Apr 12, 2017Equipment. TT: During previous air conditioning service, leakage prevention agent (A/C stop leak) may have been added to the A/C system. Adding stop leak products to the A/C system is not a recommended or approved Lexus repair process. During A/C service, moisture enters the A/C system, and can react with the previously added A/C stop leak, forming a gelatinous substance. The gel substance that forms can cause the A/C…
• 10142489Apr 4, 2017Equipment, Electrical system. TT: Rev1 iPhone text messages do not appear on multimedia display.
• 10131895Mar 30, 2017Electrical system. This bulletin is regarding the Diagnosis of Bluetooth Connectivity Complaints: Some customers may encounter Bluetooth® connectivity concerns such as: Difficulty to pair the phone. Intermittent Bluetooth® failure to connect to the vehicle when first turning on the vehicle. Various Bluetooth® Audio functions are no longer functioning with customer?s phone such as ability to change the track using the steering wheel…
• 10131789Feb 22, 2017Equipment. Long-term or off-site storage requires special care to keep vehicles factory fresh and ready for delivery. The following guidelines should be performed to minimize vehicle component/part degradation due to extended vehicle storage conditions. Long-term storage can affect vehicle systems and components. ANY problems that are found should be corrected immediately.
• 10131787Feb 21, 2017Equipment. TT: This bulletin is regarding best practices when handling navigation systems that use Hard Disc Drive or Micro SD Card memory.
• 10152236Jan 31, 2017Electrical system. TSB: A battery in a stored vehicle is subject to conditions that can reduce its performance and life. 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.
• 10152225Jan 25, 2017Tires. TSB: During the manufacturing process, tires are mounted on the vehicle as matched sets to help reduce conditions such as pulling or drifting. 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. Refer to the following procedure to ensure
• 10152223Jan 24, 2017Equipment. TSB: 2018 model year vehicles are equipped with driver?s side floor mat retaining clips to secure the floor mat in the correct position. In addition, some models may utilize retaining clips for passenger side and rear seat floor mats as well. Follow the appropriate Installation Procedure to attach the driver?s side, and if applicable, the passenger?s side and rear seat floor mats to the vehicle carpet using the…
• 10152215Jan 19, 2017Equipment. TSB: 2018 model year Lexus vehicles are equipped with factory installed XM Satellite Radio, including a 90-day free customer trial. As part of the Pre-Delivery Service (PDS) process, ensure that the XM Satellite Radio is activated and ready for use.

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