2014 Chevrolet Corvette Technical Service Bulletins

1,986 technical service bulletins (TSBs) are on record for the 2014 Chevrolet Corvette. 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.

• 10114105May 31, 2016Engine, Electrical system. This informational bulletin provides information on identifying non-GM (aftermarket) engine calibrations for gasoline engines using Tech 2 or GDS 2.
• 10114101May 25, 2016Wheels. This informational bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straightening or re-machining. Only cosmetic refinishing of the wheel's coatings, using recommended procedures, is allowed.
• 10114100May 24, 2016Steering. This technical bulletin provides a procedure to install a new power steering gear cooling duct to correct a customer concern on a DIC message that reads ?Service Power Steering Gear? and/or feeling a reduction in steering assist while driving their vehicle on the track during hot days caused when there is an increase in temperature with the steering gear.
• 10078921May 24, 2016Equipment. This preliminary information communication provides the technician with a diagnostic aid for identifying infotainment components on the vehicles to ensure that the correct component is ordered or replaced and the correct labor code is used for warranty submission.
• 10118547May 20, 2016Tires. This informational bulletin provides information on the temporary tire flat spotting condition.
• 10114107May 20, 2016Electrical system. This informational bulletin provides information on service programming system (SPS) errors.
• 10118546May 16, 2016Equipment. This informational bulletin provides information on a new U.S. dealer special tool loan program.
• 10118545May 16, 2016Electrical system, Equipment. This informational bulletin provides warranty policy information on revised wiring repair labor operations and required additional information.
• 10134547May 13, 2016Equipment, Electrical system. This technical bulletin provides a procedure to reprogram the radio to correct a customer concern of radio inoperative with no communication and DTC U0184, no XM on start-up when manually tuned and/or using voice recognition, no radio wake-up, rear view camera and OnStar hands-free calling issues, favorite stations stored twice and/or disappear caused by to the current software calibration within the radio.
• 10134545May 13, 2016Electrical system. This informational bulletin provides warranty information on accessory power outlet and trailer lighting fuse replacement.
• 10078874May 10, 2016Equipment. This preliminary information communication advises the technician that a noise or a vibration in the vehicle that seems to be abnormal may not have been there when the vehicle was purchased. Technician should look for non - general motors aftermarket accessories installed on the vehicle that can cause these issues.
• 10134536May 6, 2016Equipment. This warranty administration bulletin provides information on GM?s policy on performing GM covered vehicle services and maintenance on vehicles originating/sold in Canada.
• 10134535May 6, 2016Engine cooling. This technical bulletin provides a procedure to lubricate the exhaust valves to correct a customer on hearing a squeak or chirp noise coming from the rear of the vehicle caused by to the opening/closing of the exhaust values during normal performance.
• 10081365May 6, 2016Electrical system. This informational bulletin provides information on the identification of vehicles that are shipped with the transport mode on and how to turn it off.
• 10078571May 1, 2016Equipment. This informational bulletin provide information on the product quality center (pqc) assembly replacement process.
• 10078569May 1, 2016Fuel system, Other or unknown. This informational bulletin provides information on vehicles designed to operate on gaseous fuels.
• 10078568May 1, 2016Transmission and drivetrain, Equipment. This informational bulletin provides information on how to inspect the upper valve body to determine the correct rpo usage to correct a concern that after installation of a replacement upper valve body, the transmission may have no reverse and no 2nd gear due to the installation of the incorrect upper valve body.
• 10078567May 1, 2016Engine. This technical bulletin provides a procedure to replace the valve lifter oil manifold and affected bank of afm lifters to correct a customer concern on a malfunction indicator lamp (mil) on and/or an engine misfire/tick noise with dtc p0300 set due to an active fuel management (afm) lifter that is mechanically collapsed and/or stuck all of the time.
• 10083899Apr 28, 2016Fuel system. This preliminary information communication advises the technician on the steps to diagnose and repair the concern of a rattle or ticking noise that is louder inside the vehicle than outside. Instructions are provided to inspect the fuel feed line between the high pressure fuel pump and chassis fuel line.
• 10078755Apr 28, 2016Fuel system, Body and structure. This preliminary information communication advises the technician on the steps to diagnose and repair the concern of a rattle or ticking noise that is louder inside the vehicle than outside. Instructions are provided to inspect the fuel feed line between the high pressure fuel pump and chassis fuel line.
• 10083782Apr 27, 2016Engine, Electrical system. This preliminary information communication advises the technician on the steps to diagnose and repair the concern of black smoke when starting the vehicle after sitting.
• 10083513Apr 27, 2016Equipment. This preliminary information communication advises the technician on the steps to diagnose and repair the concern of receiving frequent "off route" messages while following turn by turn (tbt) route navigation. The technician is provided instructions for resetting the vehicle communication interface module for this concern.
• 10078749Apr 27, 2016Equipment. This preliminary information communication advises the technician on the steps to diagnose and repair the concern of the radio is inopertive. New software has been released to correct this concern.
• 10078745Apr 27, 2016Equipment. This preliminary information communication advises the technician on the steps to diagnose and repair the concern of receiving frequent "off route" messages while following turn by turn (tbt) route navigation. The technician is provided instructions for resetting the vehicle communication interface module for this concern.
• 10078744Apr 27, 2016Fuel system. This preliminary information communication advises the technician on the steps to diagnose and repair the concern of black smoke when starting the vehicle after sitting.
• 10137768Apr 26, 2016Electrical system. 15521 ? Customer Advisory Letter. On these vehicles, if the side doors will not open from inside the vehicle due to low or no battery voltage, such as a discharged or disconnected battery, or if the vehicle is entered without the key fob or the fob is not working, customers are being advised that the driver and passenger side doors can still be opened from inside the vehicle by using the manual release levers…
• 10083073Apr 26, 2016Electrical system, Equipment. This preliminary information communication advises the technician on the steps to diagnose and repair the concern of a dead battery after leaving the vehicle during a bluetooth call.
• 10078801Apr 26, 2016Electrical system, Body and structure. 15521 – customer advisory letter. On these vehicles, if the side doors will not open from inside the vehicle due to low or no battery voltage, such as a discharged or disconnected battery, or if the vehicle is entered without the key fob or the fob is not working, customers are being advised that the driver and passenger side doors can still be opened from inside the vehicle by using the manual release levers…
• 10078743Apr 26, 2016Electrical system. This preliminary information communication advises the technician on the steps to diagnose and repair the concern of a dead battery after leaving the vehicle during a bluetooth call.
• 10083781Apr 22, 2016Electrical system. This preliminary information communication advises the technician on the steps to diagnose the concern, and the steps to repair the concern of the vehicle cranks but does not start. The technician is to inspect for a sheared cam pin in the engine.
• 10083587Apr 22, 2016Equipment. This preliminary information communication advises the technician to contact the gm technical assistance center for further instructions. The concern is the radio may be unable to save xm favorite stations.
• 10078550Apr 22, 2016Electrical system, Equipment. This technical bulletin provides a procedure to reprogram the radio to correct a customer concern that the hd switching toggle setting does not function and volume differences between analog and digital hd switching due to the current software calibration within the radio.
• 10078549Apr 22, 2016Equipment. This technical bulletin provides a procedure to reprogram the radio to correct a customer concern of radio inoperative with no communication and dtc u0184, no xm on start-up when manually tuned and/or using voice recognition, no radio wake-up, rear view camera and onstar hands-free calling issues, favorite stations stored twice and/or disappear due to the current software calibration within the radio.
• 10083509Apr 21, 2016Equipment. This preliminary information communication advises the technician on the steps to diagnose and repair the concern. The vehicle's xm radio only has xm preveiw channels.
• 10083482Apr 21, 2016Equipment. This preliminary information communication advises the technician to diagnose the concern and the steps to repair the concern. The vehicle's xm travel link may be inopertive.
• 10078522Apr 20, 2016Equipment. "this technical bulletin provides a procedure to contact onstar for hard mute request to correct a customer concern when the radio is on, it does not mute enough when the onstar® turn-by-turn navigation directions are announced due to customer improperly setting the radio volume high enough when the turn-by-turn navigation messages are played. "
• 10078520Apr 20, 2016Electrical system. This informational bulletin provides information that may be useful on diagnosing batteries that have set for a long period of time and/or set in cold weather climates and testing those batteries.
• 10083884Apr 19, 2016Equipment. This preliminary information communication advises the technician on the steps for diagnosing the concern. The vehicle may be unable to connect to onstar using the white, blue or red onstar buttons.
• 10083484Apr 19, 2016Electrical system. This preliminary information communication provides information to help the dealership technicians perform a parasitic drain test for the onstar module. When performing battery parasitic drain test, there may be some confusion as to what the normal power consumption reading should be from the onstar system.
• 10078735Apr 19, 2016Electrical system. This preliminary information communication provides information to help the dealership technicians perform a parasitic drain test for the onstar module. When performing battery parasitic drain test, there may be some confusion as to what the normal power consumption reading should be from the onstar system.
• 10078506Apr 18, 2016Electrical system. This informational bulletin provides warranty information on using the service programming system (sps) for programming control modules
• 10078504Apr 18, 2016Engine. This informational bulletin provides information internal engine noise or damage after oil filter replacement
• 10078502Apr 15, 2016Equipment. This warranty administration bulletin provides information on gm’s policy on performing gm covered vehicle services and maintenance on vehicles originating/sold in canada.
• 10083585Apr 13, 2016Equipment. This preliminary information communication advises the technician not to make any repairs or replace any parts. The technician is to contact the gm technical assistance center to review a concern when the vehicle's radio is unable to save a xm preset after saving presets.
• 10078481Apr 12, 2016Equipment. This informational bulletin provides information on the purpose of magnetic drain plugs.
• 10078472Apr 12, 2016Visibility (wipers, defrost, mirrors). This informational bulletin provides information on a normal condition on tempered glass of spots showing on the rear and side windows when the vehicle is in the sunlight.
• 10078435Apr 7, 2016Equipment, Body and structure. This preliminary informational bulletin provides information that may be helpful when addressing underbody component corrosion with customers.
• 10083512Apr 5, 2016Visibility (wipers, defrost, mirrors), Equipment. This preliminary information communication advises the technician the steps on diagnosing the concern. Vehicle's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.
• 10078604Apr 5, 2016Electrical system, Body and structure, Visibility (wipers, defrost, mirrors). This preliminary information communication advises the technician the steps on diagnosing the concern. Vehicle's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.
• 10083579Apr 1, 2016Equipment. This preliminary information communication is to contact gm technical assistance center to report the concern and obtain a case number. The customer is unable to select radio presets from the usb or sd card as they are greyed out.

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