2012 Lexus CT HybridService bulletins
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.
- 10133762Apr 22, 2014Equipment. This bulletin is no longer applicable and is now obsolete.
- 10133705Apr 22, 2014Engine. This bulletin is no longer applicable and is now obsolete.
- 10133770Apr 21, 2014Equipment. Some technicians are unaware of current 12V battery warranty policies affecting batteries, some of which have been updated on Warranty Policy 4.10.
- 10133713Apr 21, 2014Electrical system. Some technicians are unaware of current 12V battery warranty policies affecting batteries, some of which have been updated on Warranty Policy 4.10.
- 10133747Mar 19, 2014Electrical system, Equipment. A new 13.1 Generation 6 Navigation Update Tool Master DVD has been released. The version number has changed to 13.09.11. The original 13.1 Generation 6 Navigation Update Tool Master DVD, version 13.09.10 is now obsolete.
- 10133731Mar 11, 2014Engine cooling. Some 2011 ? 2014 model year CT 200h vehicles equipped with a 2ZR-FXE engine may exhibit a MIL ?ON? condition with Diagnostic Trouble Codes (DTCs) P2111 (Throttle Actuator Control System) and P0A0F (Engine Failed to Start) present when ambient temperatures are below 23F (?5C).The intake manifold assembly has been improved to address this condition.
- 10133744Mar 6, 2014Electrical system. Customers complain of Bluetooth connectivity concerns such as: difficulty to pair the phone. Intermittent Bluetooth failure to connect to the vehicle when first turning on the vehicle. These concerns can be caused by changes made on the customer's phone. Make sure to inquire with the customer if the connectivity concerns occurred after receiving an operating system update on their phone or they have restore their…
- 10131964Jan 16, 2014Air bags. Lexus vehicles are equipped with Supplemental Restraint Systems (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 pre-tensioner devices did not perform as expected (including an unintended deployment event), please follow the steps in the recommendations section below.
- 10205352Dec 19, 2013Visibility (wipers, defrost, mirrors). Windshield Wiper Blade Maintenance and cleaning
- 10132006Dec 19, 2013Visibility (wipers, defrost, mirrors). This bulletin is now obsolete. Please see L-SB-0092-13.
- 10132004Dec 19, 2013Visibility (wipers, defrost, mirrors). The following procedures are recommended during routine maintenance or in the event of a customer concern for wiper performance.
- 10132074Nov 10, 2013Air bags, Seats. Beginning in 1998, Lexus introduced side airbags as optional equipment. Lexus does NOT recommend replacement of original seat covers with non-Lexus leather or other seat cover materials on vehicles due to the following: Seat covers NOT recommended by Lexus may affect side airbag performance, in general or in part, during an accident. Modifications that negatively affect side airbag performance can result in severe…
- 10132083Nov 7, 2013Equipment. Adhesive & sealant cross reference Information
- 10205383Nov 2, 2013Visibility (wipers, defrost, mirrors). Spots in Window Glass - vehicle exterior
- 10132082Nov 2, 2013Visibility (wipers, defrost, mirrors). Spots in Window glass
- 10205129Oct 25, 2013Equipment. HDD Navigation Map Update Process - Lexus models equipped with Hard Disk Drive (HOD) Navigation require a Special Service Tool and follow a unique process for updating map, points of interest, and system software. Instead of individual DVDs installed into the vehicle, all Map Data is uploaded directly to the HOD system.
- 10132127Oct 25, 2013Equipment. This bulletin is now obsolete. Please see L-SB-0082-13.
- 10132125Oct 25, 2013Equipment. Lexus models equipped with Hard Disk Drive (HDD) Navigation require a Special Service Tool and follow a unique process for updating map, points of interest, and system software. Instead of individual DVDs installed into the vehicle, all Map Data is uploaded directly to the HDD system. Map Data will be released annually through the direct shipment of two Map Data DVDs to each dealership service manager. The annual…
- 10205128Oct 24, 2013Equipment. Navigation System Firmware Improvement (Generation 6)
- 10132145Oct 24, 2013Equipment. These concerns can be caused by changes made on the customer?s phone. Make sure to inquire with the customer if the connectivity concerns occurred after receiving an operating system update on their phone or they have restored their phone data/settings recently.
- 10132144Oct 24, 2013Equipment, Electrical system. 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.
- 10132124Oct 24, 2013Electrical system, Equipment. Navigation firmware has been updated to allow updating map to version 10.1 or later. Updated navigation system software has also been developed to remedy these conditions. Use the following procedure to address these conditions.
- 10132117Oct 4, 2013Equipment. This bulletin is now obsolete. Please see L-SB-0072-14
- 10132142Oct 3, 2013Engine. Starting with the 2010 Model Year, Lexus began a gradual transition to the use of synthetic 0w-20 viscosity engine oil. There are multiple benefits of this oil
- 10132146Oct 2, 2013Engine cooling, Equipment. If a customer states there is an unpleasant odor in the vehicle from the HVAC system, there are various factors that may be involved.
- 10132193Sep 27, 2013Electrical system. Some customers may report the following conditions with the Podcast application on iPhones running iOS 7.0 and later: While playing a podcast the system will jump to the next podcast Podcast will intermittently restart at the beginning of the current podcast
- 10205379Sep 26, 2013Equipment. Characteristics of Facetime Audio Calls using - All 2012-2014 My Models
- 10132192Sep 26, 2013Electrical system, Equipment. iTunes Radio is a new feature for iPhone 4, 4S, 5, 5S, and 5C running iOS 7 or later. This feature does work with the in-vehicle audio system either via Bluetooth or by USB cable. Details on how to access this feature are described below.
- 10132191Sep 26, 2013Equipment. Customers using iPhone 4, 4S, 5, 5S, or 5C running iOS 7.0 or later now have the ability to make Facetime Audio calls (no video). When a customer is paired by Bluetooth Hands Free and they make a Facetime Audio call the vehicle radio will treat it as a typical Bluetooth phone call. Because Facetime works differently than a typical phone call, the in-vehicle experience may not meet the customer?s expectations.
- 10205378Sep 13, 2013Equipment. When an iPhone is linked to the vehicle through Bluetooth, activation of the microphone on the iPhone will result in the vehicle display showing that an outgoing call is being made.
- 10205307Sep 13, 2013Equipment. XM Re-Registration with Radio Unit Swap 2010-2014 Models with Satellite Radio
- 10132190Sep 13, 2013Equipment. To receive satellite radio functions after the initial trial period has expired, the customer must enter into a contract with XM Satellite Radio Inc. After entering into a contract, registration of an 8-digit XM Radio ID is required. This 8-digit XM Radio ID is found by turning to channel ?0? of the satellite radio.
- 10205340Sep 12, 2013Equipment, Visibility (wipers, defrost, mirrors). HVAC Odor Maintenance
- 10132176Sep 12, 2013Equipment. Some 2006 ? 2014 model year Lexus vehicles may exhibit odors naturally occurring from the HVAC system and/or related environmental factors. Although there is no way to eliminate these odors, follow the General Procedure in this bulletin to minimize the odors experienced.
- 10205377Aug 27, 2013Equipment. XM Re-Registration with Radio Unit Swap 2010-2014 Models with Satellite Radio
- 10205371Aug 22, 2013Equipment. Navigation and Audio System Update/ Upgrade USB Directory.
- 10205359Aug 6, 2013Engine. Oil Viscosity Applicability and Cfhange Interval Guide
- 10205376Jul 31, 2013Visibility (wipers, defrost, mirrors). Window and Windshield kProduct Report Tips - Multiple Vehicles
- 10132278Jul 31, 2013Visibility (wipers, defrost, mirrors). Tips for writing a DPR (Dealer Product Report) on manufacturing issues for windows and windshields.
- 10132263Jul 31, 2013Latches, locks and linkages. Some 2011 ? 2013 model year CT 200h vehicles may exhibit a condition where the front passenger interior door assist grip cover (door pull) becomes loose from the door panel. A newly designed front passenger interior door assist grip cover, 2 retaining clips, and repair procedure have been developed to address this condition. Please follow the procedure in this bulletin to install the update door assist grip cover.
- 10132276Jul 25, 2013Equipment. Certain service publications, Technical Service Bulletins, Service Campaign Technical Instructions and Service & Parts Operation Communication Bulletins may reference specifically required adhesives and sealants
- 10132273Jul 2, 2013Tires, Equipment. Prior to tire rotation use the quick reference chart below to verify the size of the lug nut and the lug nut torque specifications. The quick reference chart is applicable to current generation vehicles only.
- 10132041May 28, 2013Engine cooling. Some 2010-2012 model year CT200h vehicles equipped with a 2ZR-FXE engine may exhibit a MIL "ON" condition with Diagnostic Trouble Code P0401 (Exhaust Gas Recirculation Flow insufficient Detected) present. The Exhaust Gas Recirculation Valve has been improved to address this condition.
- 10062364May 28, 2013Engine. Summary to be provided on a future date.
- 10132310Apr 23, 2013Equipment. 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 a vehicle?s systems and components. Any problems that are found should be corrected immediately.
- 10205358Apr 10, 2013Engine. Oil Viscosity Applicability and Cfhange Interval Guide
- 10132323Apr 10, 2013Engine. Starting with the 2010 Model Year, Lexus began a gradual transition to the use of synthetic 0w-20 viscosity engine oil. There are multiple benefits of this oil
- 10132326Apr 9, 2013Air bags. A recent review of our records indicated that your Safety Connect system is not active and needs to be activated in order for services to work.
- 10132307Apr 9, 2013Equipment. Lexus models equipped with Hard Disk Drive Navigation may have their map data, Compact Disc Database, and navigation head unit software updated using the Navigation Update Tool and the HDD Navigation Programs Installer.
- 10132305Apr 5, 2013Equipment. Navigation firmware has been updated to allow updating map to version 10.1 or later. Updated navigation system software has also been developed to remedy these conditions. Use the following procedure to address these conditions.
← All problems reported for the 2012 Lexus CT Hybrid
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.