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.

• 10115143Nov 30, 2015Engine cooling. This Preliminary Information communication provides information to the technician about gasoline powered cars, mid-size trucks, light duty trucks, and heavy duty trucks with premature catalytic converter failures. It is recommended to inspect for a poor crimp on the grounds ring terminal at the engine block for the bank with the concern and repair the wire.
• 10137255Nov 25, 2015Tires, Wheels. This informational bulletin provides additional information to the technician on how to check for Tire Radial Force Variations and the difference between balancing a flange and flangeless rim.
• 10115138Nov 25, 2015Equipment, Suspension. This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts are being performed on customer?s vehicles that exhibit vibration conditions without utilizing the support of General Motors Technical Assistance Center. If valid vibration frequency or Road Force Variation data has been collected and a repair attempt does not correct the customer…
• 10137253Nov 24, 2015Engine. This technical bulletin provides repair information to correct a customer concern of engine misfire/tick noise, Malfunction Indicator Lamp (MIL) On, DTC P0300 set.
• 10115128Nov 23, 2015Equipment. This Preliminary Information communication provides information to the technician about vehicle's odometer appears to be inaccurate relative to a known distance traveled. Technician should obtain a hand-held GPS unit to test the odometer. If a hand held GPS unit is not available, the only other option is to verify the miles traveled using a surveyor's wheel or a dynamometer.
• 10137249Nov 20, 2015Equipment. This informational bulletin provides information on a GM of Canada OnStar cellular communication upgrade.
• 10137246Nov 20, 2015Equipment. This informational bulletin provides information on a GM of Canada OnStar cellular communication upgrade.
• 10137245Nov 19, 2015Electrical system, Equipment. This informational bulletin provides information to dealership personnel regarding original equipment battery part numbers and AC Delco replacement battery approved warranty part numbers.
• 10137243Nov 18, 2015Suspension, Tires. This informational bulletin provides customers and dealership personnel with information on the common vehicle characteristic of tire hop / tire chatter during tight turns at parking lot speeds.
• 10137238Nov 12, 2015Wheels. This preliminary informational bulletin provides repair information for cleaning mating surface of wheels and rotors to correct a customer concern of clicking noise from front and/or rear wheels.
• 10137237Nov 12, 2015Electrical system. This warranty administration bulletin adds the 2016 model year to a communication which provides dealership personnel revised wiring repair labor operations and required additional information.
• 10137232Nov 12, 2015Equipment, Back-over prevention (rear camera). This preliminary informational bulletin provides repair information to correct customer concerns about blank screen after startup and reverse, rear view camera message on, touch screen inoperable, Bluetooth and navigation concerns.
• 10137226Nov 6, 2015Transmission and drivetrain. This preliminary informational bulletin adds the 2016 model year to diagnostic tips and repair information to correct a customer concern of reduced acceleration at low speed and/or transmission slipping from a launch, DTC P0751 set.
• 10137224Nov 6, 2015Engine. This preliminary informational bulletin provides repair information on Engine Control Module (ECM)reprogramming to correct a customer concern of MIL illuminated, DTC P16F3 with €˜Engine Power is Reduced€™ message displayed in the DIC
• 10075716Nov 6, 2015Transmission and drivetrain. Some customers may comment that the vehicle has reduced acceleration at low speed and/or transmission is slipping from a launch. Technicians may find DTC P0751 set or stored in history. This condition may be caused by the Clutch Select Solenoid Valve 2 (359), located in the lower valve body, sticking in its bore resulting in a 4th gear start. Note: This condition can be very intermittent and difficult to duplicate.
• 10115087Nov 3, 2015Electrical system, Seats, Equipment, Transmission and drivetrain. This Preliminary Information communication provides information to the technician about vehicles that have the base power seat, Memory Recall, and Easy Exit Recall functions may seem erratic or seem to operate intermittently.
• 10126401Oct 30, 2015Body and structure. This informational bulletin provides information on the PQC assembly replacement process - for dealers required to contact PQC prior to replacing an assembly (U.S. and Canada only).
• 10114938Oct 30, 2015Equipment. This Preliminary Information communication provides information to the technician about customers that may inquire as to whether or not a rear sway bar can be added to a vehicle that was not originally equipped with one. The rear sway bar is part of the Z51 Performance Package. General Motors does not recommend or support this modification.
• 10114937Oct 30, 2015Fuel system. This Preliminary Information communication advises the technician when Service Information diagnostics indicates a fuel injector may need to be removed for a repair or replaced the injector will need a new seal. This Preliminary Information contains all the O-ring seal and the injector kit part numbers.
• 10114932Oct 28, 2015Equipment. This Preliminary Information communication provides information to the technician about vehicles that when shutting the vehicle off when the radio is turned off prior, the radio will turn back on in the muted condition on the next key cycle. No action should be taken at this time as this is considered a normal operating characteristic.
• 10114931Oct 28, 2015Seats. This Preliminary Information communication advises the technician not to replace any parts for Diagnostic Trouble Code B285A Symptom 4B set as History in the Memory Seat Module. This Diagnostic Trouble Code will be considered a phantom code and this will also considered a normal characteristic for the Memory Seat Module.
• 10126395Oct 27, 2015Engine cooling. This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
• 10126393Oct 26, 2015Equipment. This warranty administration bulletin provides policy information on an updated warranty and policy exchange program for electronic products through GM authorized Electronic Service Centers (ESCs) (U.S. and Canada).
• 10114926Oct 26, 2015Fuel system, Equipment, Engine. This Preliminary Information communication provides information to the technician about vehicles that have extended or long crank time during cold ambient air temperatures. Direct Injection systems run at higher pressures, and the mechanical pump on the engine must build up the required pressure before the first injection event occurs. Direct Injection engines may have slightly longer cold crank times than that of…
• 10126385Oct 22, 2015Electrical system, Equipment. This preliminary informational bulletin adds the 2014 - 2016 model years to cleaning information to correct a customer concern of seeing a white film/residue on the IP pad and/or door trim panels.
• 10126384Oct 22, 2015Brakes. This preliminary informational bulletin adds the 2015 Chevrolet Colorado and GMC Canyon to diagnosis and repair information to correct a customer concern of alleged no park, vehicle rolls in park or park will not hold.
• 10114903Oct 16, 2015Equipment, Electrical system. This Preliminary Information communication provides information to the technician about vehicles that may have an issue when using Bluetooth voice recognition with an iPhone. Technician should work with the customer to insure the phone contacts to not have any Emojis loaded to any contact.
• 10126375Oct 14, 2015Electrical system, Equipment. This informational bulletin provides information to dealership personnel on the use of non-GM approved battery chargers and booster packs.
• 10114894Oct 14, 2015Suspension, Body and structure. This Preliminary Information communication provides information to the technician about vibration complaints that are one of the most challenging complaints to accurately diagnose and repair. Technician will need to use Pico Oscilloscope Diagnostic Kit to effectively diagnosis vehicles. Technician should drive the vehicle will using the Pico Oscilloscope to record data. After the data is recorded it should be…
• 10126370Oct 13, 2015Equipment, Transmission and drivetrain. This informational bulletin provides information to dealership personnel on proper engine and automatic transmission/transaxle identification.
• 10126369Oct 13, 2015Electrical system. This informational bulletin provides information that may be useful in diagnosing/testing batteries that have set for a long period of time and/or set in cold weather climates to correct a customer concern of symptoms that include, but not limited to, a slow or no crank condition that may be caused by a discharged battery.
• 10126355Oct 6, 2015Equipment. This warranty administration bulletin provides policy information on Causal Part requirements for transactions submitted to GM for payment.
• 10126350Oct 5, 2015Equipment. This warranty administration bulletin provides policy information on an updated warranty and policy exchange program for electronic products through GM authorized Electronic Service Centers (ESCs) (U.S. and Canada).
• 10126349Oct 2, 2015Wheels. This warranty administration bulletin provides retail, wholesale and fleet personnel with General Motors recommendations for customer concerns related to wheel alignment.
• 10127246Sep 30, 2015Electrical system. This Preliminary Information communication provides information to the technician about a connectivity concern with Bluetooth after phone software is updated or after any vehicle updates for the radio or Human Machine Interface has taken place. Technician should delete all Bluetooth pairings and then reboot the Bluetooth device and the vehicle. After the vehicle and radio is booted back up repair the Bluetooth…
• 10127241Sep 29, 2015Electrical system. This Preliminary Information communication provides information to the technician about vehicles that are unable to access XM Weather. If the system responds by highlighting the XM Weather Icon but it does not enter the application technician should replace the Human Machine Interface module for this concern.
• 10127240Sep 29, 2015Equipment. This Preliminary Information communication provides information to the technician about vehicles that the Turn By Turn directions may no longer be displayed after the Canada OnStar upgrade. Dealer should communicate to the customer that we apologize for this inconvenience and that General Motors is working on a solution for this concern.
• 10127238Sep 29, 2015Electrical system. This Preliminary Information communication provides information to the technician about vehicles that the incoming caller ID may no longer be available or displayed after the Canada OnStar upgrade. Dealer should communicate to the customer that we apologize for this inconvenience and that General Motors is working on a solution for this concern.
• 10127234Sep 28, 2015Engine cooling. This Preliminary Information communication provides information to the technician about vehicles that have a coolant loss and/or coolant odor after driving the vehicle. Technician will need to test the cooling system looking for leaks at the outer head bolts. If coolant is found replace the head the concern is present on.
• 10127230Sep 28, 2015Fuel system. This Preliminary Information communication provides information to the technician to help determine if the vehicle is equipped with factory or aftermarket Compressed Natural Gas, Liquefied Petroleum Gas, or Bi-Fuel Systems. Technician will check for the Vehicle Emission Control Information Label.
• 10127229Sep 25, 2015Transmission and drivetrain, Equipment. This Preliminary Information communication advises the technician about vehicles that have clutch chatter when driving. Technician will need to inspect for a missing crankshaft pilot bearing if Service Information indicates the crankshaft is within specification.
• 10127199Sep 16, 2015Electrical system. This Preliminary Information communication provides information to the technician of a complaint of a sag or hesitation when accelerating. The concern is present when coasting at low speeds of less than 15 miles per hour and then aggressively applying the throttle, or after making a hard stop followed by an aggressive throttle.
• 10248494Sep 1, 2015Equipment. Navigation Voice Prompts Choppy Distorted or Garbled.
• 10127175Sep 1, 2015Engine cooling. This Preliminary Information communication provides information to the technician about vehicles with misfires or roughness on cold start up. Technician may find a Diagnostic Trouble Code P0300 stored. Technician will add coolant dye to the system, run engine through warm up, pressurize the cooling system on a cold soak engine and inspect the suspect cylinder with a bore scope for coolant dye evidence.
• 10075404Sep 1, 2015Transmission and drivetrain, Engine. Summary to be provided on a future date.
• 10114676Aug 18, 2015Transmission and drivetrain, Engine, Equipment. This Preliminary Information communication provides information to the technician on the steps need to diagnose and repair vehicles that may have stalling shudder and/or hard shifting into 1st gear or reverse vibration on launch (with excessive crankshaft end play). Technician will test to determine if the crank shaft end play is within specification 0.0015?0.0086?inch.
• 10114672Aug 18, 2015Equipment. This Preliminary Information communication provides information to the technician about the Media Oriented Systems Transport Bus Diagnostic Tool Kit (EL-51578) has been released to help diagnose any of the Media Oriented Systems Transport bus concerns. The kit contains header connectors that are installed to bypass Media Oriented Systems Transport bus modules. The bypass connector also contains a terminal for…
• 10113810Aug 18, 2015Equipment. This warranty administration bulletin provides dealership personnel with policy and procedure requirements for essential tools that include consumable parts (U.S. Only).
• 10114660Aug 12, 2015Engine. This Preliminary Information communication provides information to the technician vehicles that have a rattle noise heard at the engine bell housing. Technician should swap out front flexplate before starting a major service procedure. Technician should never reinstall the old flexplate.
• 10114656Aug 10, 2015Equipment, Engine. This Preliminary Information communication advises the technician before replacing the crankshaft to review the following. Dealer should complete the Service Information diagnostics and the Cost Comparison Worksheet for Assembly Repair vs. Replacement. Technician will use the latest version of 09-06-04-026G to verify the Engine Control Module calibration is not an aftermarket calibration.

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