2014 Toyota Corolla Technical Service Bulletins

440 technical service bulletins (TSBs) are on record for the 2014 Toyota Corolla. 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.

• 10132589May 28, 2015Electrical system, Engine. RL: The subject vehicles may illuminate a Check Engine warning lamp due to software programming for continuous variable valve lift control. If this condition occurs, the vehicle may experience a reduction in power. Toyota has developed new engine control software logic to help prevent this condition from occurring.
• 10058316May 28, 2015Electrical system. This tsb contains owner letter. See document search button. Toyota 2014 corolla eco: campaign information regarding check engine warning lamp which requires a engine software update.
• 10134481May 27, 2015Equipment. TT: While accessing the repair manuals for models that have undergone a full model change starting with the 2013 RAV4, you may encounter disabled (i.e. greyed out) "INFO Button" links while browsing with Internet Explorer 10. You can identify the affected manuals by locating the adjustable Production Date Range, or PDR, drop downs above the navigation tree. Only repair manuals with these drop downs will be affected.
• 10132583May 27, 2015Electrical system. TT: While accessing the repair manuals for models that have undergone a full model change starting with the 2013 RAV4, you may encounter disabled (i.e. greyed out) "INFO Button" links while browsing with Internet Explorer 10. You can identify the affected manuals by locating the adjustable Production Date Range, or PDR, drop downs above the navigation tree. Only repair manuals with these drop downs will be affected.
• 10134479May 22, 2015Equipment. TT: Since MY 2011, several different update or upgrade USB SSTs have been issued for Toyota audio and navigation systems. Refer to the chart below for a comprehensive list of all current and previously issued USB SSTs and their applicability.
• 10132581May 22, 2015Equipment. TT: Since MY 2011, several different update or upgrade USB SSTs have been issued for Toyota audio and navigation systems. Refer to the chart below for a comprehensive list of all current and previously issued USB SSTs and their applicability.
• 10134478May 19, 2015Fuel system, Equipment. TT: Greenhouse Gas Logic (GHC) has been implemented on Toyota A/C Systems to reduce tailpipe emissions. The federal government issues café (Corporate Average Fuel Economy) credits to vehicle manufacturers that implement new technologies that reduce the carbon footprint of the vehicles they produce.
• 10132580May 19, 2015Equipment. TT: Greenhouse Gas Logic (GHC) has been implemented on Toyota A/C Systems to reduce tailpipe emissions. The federal government issues café (Corporate Average Fuel Economy) credits to vehicle manufacturers that implement new technologies that reduce the carbon footprint of the vehicles they produce.
• 10111563May 19, 2015Electrical system. TSB: While a vehicle is in inventory, the battery is subject to conditions that can reduce its performance and life. Batteries can become discharged due to an extended storage period, temperature, parasitic drain, or while demonstrating vehicle features and benefits in the sales process. Battery inspection and maintenance are required in order to ensure proper operation and optimal battery life.
• 10111180May 19, 2015Electrical system. TSB: While a vehicle is in inventory, the battery is subject to conditions that can reduce its performance and life. Batteries can become discharged due to an extended storage period, temperature, parasitic drain, or while demonstrating vehicle features and benefits in the sales process. Battery inspection and maintenance are required in order to ensure proper operation and optimal battery life.
• 10111562May 13, 2015Equipment. TSB: The procedure in this bulletin is a general guideline on how to properly diagnose the air conditioning system after a component failure. Refer to the applicable Repair Manual for vehicle specific repair procedures and parts.
• 10111179May 13, 2015Equipment. TSB: The procedure in this bulletin is a general guideline on how to properly diagnose the air conditioning system after a component failure. Refer to the applicable Repair Manual for vehicle specific repair procedures and parts.
• 10111561May 12, 2015Engine, Electrical system. TSB: Some 2014 model year Corolla vehicles equipped with the 2ZR-FAE engine may exhibit a MIL "ON" condition with either one or both of the following Diagnostic Trouble Codes (DTCs): ? P2646 ? A Rocker Arm Actuator System Performance or Stuck Off (Bank 1) ? P265B ? B Rocker Arm Actuator Position Sensor Circuit Range Performance (Bank 1) The Engine Control Module (ECM, SAE term: Powertrain Control Module/PCM)…
• 10111560May 12, 2015Engine cooling. TSB: Some 2014 - 2015 model year Corolla vehicles equipped with a 2ZR-FE or 2ZR-FAE engine may exhibit a MIL "ON" condition with Diagnostic Trouble Code (DTC) P2420 (Evaporative Emission Pressure Switching Valve Stuck OFF). Follow the Repair Procedure in this bulletin to address this condition.
• 10111178May 12, 2015Equipment, Engine. TSB: Some 2014 model year Corolla vehicles equipped with the 2ZR-FAE engine may exhibit a MIL "ON" condition with either one or both of the following Diagnostic Trouble Codes (DTCs): * P2646 - A Rocker Arm Actuator System Performance or Stuck Off (Bank 1) * P265B - B Rocker Arm Actuator Position Sensor Circuit Range Performance (Bank 1) The Engine Control Module (ECM, SAE term: Powertrain Control Module/PCM)…
• 10111177May 12, 2015Engine cooling. TSB: Some 2014 - 2015 model year Corolla vehicles equipped with a 2ZR-FE or 2ZR-FAE engine may exhibit a MIL "ON" condition with Diagnostic Trouble Code (DTC) P2420 (Evaporative Emission Pressure Switching Valve Stuck OFF). Follow the Repair Procedure in this bulletin to address this condition.
• 10134476May 8, 2015Equipment. TT: Since MY 2011, several different update or upgrade USB SSTs have been issued for Toyota audio and navigation systems. Refer to the chart below for a comprehensive list of all current and previously issued USB SSTs and their applicability.
• 10132578May 8, 2015Equipment. TT: Since MY 2011, several different update or upgrade USB SSTs have been issued for Toyota audio and navigation systems. Refer to the chart below for a comprehensive list of all current and previously issued USB SSTs and their applicability.
• 10111407Apr 30, 2015Electrical system, Equipment. TT: When updating either the navigation or radio firmware, verify the vehicle applicability BEFORE beginning the update.
• 10111214Apr 30, 2015Equipment, Electrical system. TT: When updating either the navigation or radio firmware, verify the vehicle applicability BEFORE beginning the update.
• 10111405Apr 17, 2015Equipment. TT: Since MY 2011, several different update or upgrade USB SSTs have been issued for Toyota audio and navigation systems. Refer to the chart below for a comprehensive list of all current and previously issued USB SSTs and their applicability.
• 10111212Apr 17, 2015Equipment. TT: Since MY 2011, several different update or upgrade USB SSTs have been issued for Toyota audio and navigation systems. Refer to the chart below for a comprehensive list of all current and previously issued USB SSTs and their applicability.
• 10111390Apr 10, 2015Electrical system. TSB: 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…
• 10111197Apr 10, 2015Electrical system, Equipment. TSB: 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…
• 10111389Apr 9, 2015Equipment. TSB: Some 2004 - 2015 model year Toyota 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.
• 10111196Apr 9, 2015Equipment. TSB: Some 2004 - 2015 model year Toyota 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.
• 10111400Apr 7, 2015Engine cooling. TT: Starting with 2010 Model Year, Toyota began a gradual transition to the use of synthetic 0w-20 viscosity engine oil. There are multiple benefits of this oil. Due to the them improved performance and durability of 0w-20 synthetic oil, Toyota has extended the oil change intervals to 10,000 miles for most vehicles that require this oil.
• 10111207Apr 7, 2015Engine cooling. TT: Starting with 2010 Model Year, Toyota began a gradual transition to the use of synthetic 0w-20 viscosity engine oil. There are multiple benefits of this oil. Due to the them improved performance and durability of 0w-20 synthetic oil, Toyota has extended the oil change intervals to 10,000 miles for most vehicles that require this oil.
• 10134247Apr 6, 2015Equipment, Electrical system. TT: When updating either the navigation or radio firmware, verify the vehicle applicability BEFORE beginning the update.
• 10111387Apr 2, 2015Equipment, Electrical system. TSB: OBSOLETE NOTICE-April 2, 2015: This bulletin is now obsolete. Please see T-SB-0015-15.
• 10111386Apr 2, 2015Electrical system, Equipment. TSB: Follow the repair procedure in this bulletin to install the latest software version.
• 10111194Apr 2, 2015Equipment, Electrical system. TSB: OBSOLETE NOTICE-April 2, 2015: This bulletin is now obsolete. Please see T-SB-0015-15.
• 10111193Apr 2, 2015Electrical system, Equipment. TSB: Follow the repair procedure in this bulletin to install the latest software version.
• 10152131Mar 28, 2015Electrical system, Equipment. Dealer Daily Message: Special Service Campaign J0D ? Remedy Notice Certain 2014 ? 2017 Model Year Toyota Corolla Vehicles Certain 2017 Model Year Toyota Corolla iM Vehicles Certain 2016 Model Year Scion iM Vehicles. Continuously Variable Transaxle (CVT) Software Update Special Service Campaign J0D Dealer Letter and Technical Instructions now available on TIS. Refer to the Dealer Letter and Technical Instructions on…
• 10152130Mar 28, 2015Electrical system. Technical Instructions: TECHNICAL INSTRUCTIONS FOR SPECIAL SERVICE CAMPAIGN J0D CONTINUOUSLY VARIABLE TRANSAXLE SOFTWARE UPDATE CERTAIN 2014-2017 TOYOTA Corolla, CERTAIN 2017 TOYOTA Corolla iM, CERTAIN 2016 SCION iM
• 10152129Mar 28, 2015Transmission and drivetrain. Region Letter: The subject vehicles? transmission has improper programming that could lead a component to unnecessarily cycle and experience abnormal wear. If this component becomes damaged, the malfunction indicator lamp may illuminate in the instrument cluster and the vehicle could experience a reduction of speed. After reaching a pre-determined gear ratio, the vehicle can be operated up to approximately 37 mph.
• 10152128Mar 28, 2015Transmission and drivetrain. Dealer Email: The subject vehicles? transmission has improper programming that could lead a component to unnecessarily cycle and experience abnormal wear. If this component becomes damaged, the malfunction indicator lamp may illuminate in the instrument cluster and the vehicle could experience a reduction of speed. After reaching a pre-determined gear ratio, the vehicle can be operated up to approximately 37 mph.
• 10152127Mar 28, 2015Transmission and drivetrain. Region Email: The subject vehicles? transmission has improper programming that could lead a component to unnecessarily cycle and experience abnormal wear. If this component becomes damaged, the malfunction indicator lamp may illuminate in the instrument cluster and the vehicle could experience a reduction of speed. After reaching a pre-determined gear ratio, the vehicle can be operated up to approximately 37 mph.
• 10134171Mar 27, 2015Exterior lighting. TT: Some vehicles with aftermarket Headlamps (non OEM) are being repaired/replaced under warranty with OEM equipment.
• 10132614Mar 27, 2015Exterior lighting. TT: Some vehicles with aftermarket Headlamps (non OEM) are being repaired/replaced under warranty with OEM equipment.
• 10111366Feb 26, 2015Equipment. TT: 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 controls. These concerns can be caused by changes made on the…
• 10111230Feb 26, 2015Electrical system, Equipment. TT: 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 controls. These concerns can be caused by changes made on the…
• 10111357Feb 10, 2015Body and structure. TSB: On some vehicles, when Rapgard is removed, the paint may have a stained appearance. These stains appear to be under the clear coat (repainting this area is not necessary). The stain patterns are usually under wrinkles in the Rapgard. These wrinkles sometimes trap water and cause the paint to stain from the trapped moisture, especially on horizontal surfaces, such as the hood, roof, and trunk. Stains can be…
• 10111221Feb 10, 2015Body and structure. TSB: On some vehicles, when Rapgard is removed, the paint may have a stained appearance. These stains appear to be under the clear coat (repainting this area is not necessary). The stain patterns are usually under wrinkles in the Rapgard. These wrinkles sometimes trap water and cause the paint to stain from the trapped moisture, especially on horizontal surfaces, such as the hood, roof, and trunk. Stains can be…
• 10111365Feb 2, 2015Equipment. TT: Some customers may encounter various Bluetooth connectivity concerns after upgrading to iOS 8.0 and later. Conditions typically experienced include inability to pair the iPhone to the system, poor sound quality during phone calls placed through the audio/navigation system, and the inability to place a hands free phone call using the audio/navigation system.
• 10111229Feb 2, 2015Equipment, Electrical system. TT: Some customers may encounter various Bluetooth connectivity concerns after upgrading to iOS 8.0 and later. Conditions typically experienced include inability to pair the iPhone to the system, poor sound quality during phone calls placed through the audio/navigation system, and the inability to place a hands free phone call using the audio/navigation system.
• 10111339Jan 30, 2015Equipment. TT: Some vehicles equipped with Display Audio may exhibit a condition where the touch screen is inoperative.
• 10111249Jan 30, 2015Equipment. TT: Some vehicles equipped with Display Audio may exhibit a condition where the touch screen is inoperative.
• 10134128Jan 15, 2015Electrical system, Engine. TSB: 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 reprogramming process and outlines use of the Technical Information System (TIS) and the Calibration Update Wizard (CUW).
• 10096036Jan 15, 2015Electrical system, Engine. "tsb: 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 reprogramming process and outlines use of the technical information system (tis) and the calibration update wizard (cuw).

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