2012 Lexus CT Hybrid Technical Service Bulletins

274 technical service bulletins (TSBs) are on record for the 2012 Lexus CT Hybrid. 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.

• 10132304Apr 5, 2013Equipment. Lexus models equipped with the Premium HDD Navigation (AVN/AW-EMV) System require a Special Service Tool (SST) USB drive to update the map, points of interest, Gracenote, and system software. The SST is used with all the vehicles to deliver the update, however a unique Activation Number is required for each vehicle.
• 10132322Apr 3, 2013Equipment. Since MY 2012 several different update or upgrade USB SSTs have been issued for Lexus audio and navigation systems. Refer to the chart below for a comprehensive list of all current and previously issued USB SSTs and their applicability.
• 10132302Apr 2, 2013Back-over prevention (rear camera), Visibility (wipers, defrost, mirrors). If a creak, tick, or rattle noise is heard at the top or bottom of the windshield, the source of the noise may be the two windshield stoppers bonded to the top of the windshield or the windshield retainers bonded to the lower edge of the windshield. This bulletin provides the recommended repair procedure to eliminate these types of noises from the windshield area.
• 10133802Mar 12, 2013Equipment. Some 2012 model year Lexus CT 200h vehicles may set SRS Diagnostic Trouble Codes (DTCs) that are not listed in the Repair Manual. Refer to the chart in this bulletin to diagnose these DTCs.
• 10133876Feb 28, 2013Engine cooling. On certain 2011 and 2012 model year CT200h vehicles, there is a possibility that the exhaust gas control actuator may develop a coolant leak. If a coolant leak occurs, the Water Temp indicator Lamp and Check engine Lamp will illuminate
• 10133866Feb 27, 2013Electrical system. Navigation/ Multi Info Display Day Mode Operation
• 10205365Feb 25, 2013Electrical system. Vehicle no start, Start Stop Run Button LED - Lexus Models with Smart Key with LED
• 10133865Feb 25, 2013Steering. The vehicle will not start or ready-on and the steering wheel lock is engaged so that the steering wheel may only be turned very little from side-to-side.
• 10205319Feb 21, 2013Brakes. Brake Pedal Force Gauge SST for Parking Brake Inspection.
• 10133849Feb 21, 2013Brakes, Equipment. A new Special Service Tool (SST 09709-00002) has been introduced to aid in the inspection procedure for certain vehicles equipped with a floor pedal-type parking brake system. This bulletin references the correct method for installing the Brake Pedal Force Gauge. Refer to the appropriate Repair Manual for parking brake pedal travel inspection and adjustment specification.
• 10205312Feb 19, 2013Electrical system. Theft Deterrent/Keyless Entry.
• 10133846Feb 19, 2013Equipment. Some customers may inquire about the frequency and power output of the Smart Key/Smart Entry systems used on various models. The Smart Key/Smart Entry systems conform to all applicable FCC rules. This bulletin details the applicable specifications for these systems.
• 10133926Jan 25, 2013Equipment. In the recent Bi-annual Floor Mat reminder letter distributed November, 2012, Lexus indicated that we were developing support materials that will help remind dealership customers and associates of the importance of proper floor mat usage.
• 10133913Jan 24, 2013Engine. Some 2011-2013 model year CT200H vehicles may exhibit one or more of the following conditions at initial engine start after cold soak in temperatures below 40 degrees F
• 10133914Jan 23, 2013Electrical system. Flash reprogramming allows the 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 Techstream ECU flash reprograming process and outlines use of the TIS and the CUW.
• 10133923Jan 16, 2013Air bags. Lexus vehicles are equipped with SRS, including various airbags and in some models, seat belt pre-tensioners, to help reduce the risk of injury in a collision. If a customer expresses any concerns that the SRS airbags or pretensioner devices did not per
• 10133910Jan 16, 2013Electrical system. When servicing interior electrical switches and components, please note the precautions in this bulletin to avoid damaging electrical components and switches. Many lubricants, cleaners, and automotive chemicals contain silicone or other compounds that may contaminate electrical contacts, and therefore increase electrical resistance and decrease switch performance. The use of any cleaners or fluids may increase the…
• 10133922Jan 10, 2013Equipment. technicians should confirm the following key points to minimize the potential for future MIL "ON" concerns after HV Battery Replacement.
• 10131963Jan 2, 2013Equipment. MY 2013 Gen 7 navigation systems use a USB SST to update the firmware and map. MY 2014 IS and GX models incorporate a Gen 8 navigation system that uses a USB stick to update the firmware ONLY. Refer to the chart below for a comprehensive list of all current and previously issued USB SSTs and their applicability.
• 10134015Oct 25, 2012Body and structure. Some 2011 - 2012 model year CT 200h vehicles may exhibit a loose material condition surrounding the POWER button on the Meter Hood Sub-assembly. Replace the Meter Hood Sub-Assembly to address this condition.
• 10205354Sep 25, 2012Equipment. HDD Navigation Kprogrlam Setup
• 10132076Dec 14, 2011Equipment. This bulletin is now obsolete. Please see L-SB-0083-13.
• 10061704Jun 28, 2011Body and structure. Summary to be provided on a future date.
• 10205297Jan 6, 2011Transmission and drivetrain. World Standard Automatic Transmission Fluid

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