2011 Cadillac STS Technical Service Bulletins

1,237 technical service bulletins (TSBs) are on record for the 2011 Cadillac STS. 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.

• 10137903May 12, 2014Equipment. This preliminary bulletin states to add the DTC symptom byte to the documentation to help aid engineering pinpoint concerns when trying to locate a root cause.
• 10137901May 9, 2014Fuel system. This informational bulletin provides the technician with information on what E85 fuel may due to a non E85 vehicle.
• 10137890May 2, 2014Equipment, Transmission and drivetrain, Engine cooling. This informational bulletin provides information to the technician on what parts of an engine or transmission will require the PQC to be notified.
• 10246983May 1, 2014Equipment. Checking Smartphone Bluetooth Software Update Status
• 10246624May 1, 2014Equipment. Car and Truck Fix it Right the First Time Issues
• 10135227Apr 28, 2014Equipment. This informational bulletin provides information to the dealers on properly maintaining vehicles in inventory.
• 10111829Apr 25, 2014Engine. This Preliminary Information communication provides information to the technician about vehicles that may have black smoke on a cold start. A dual-pulse injection strategy is utilized during engine cold start to reduce the time required to bring the catalytic converter up to operating temperature. This split injection strategy lasts for about 60 seconds on cold start. This process may cause the customer to see…
• 10135219Apr 22, 2014Exterior lighting. This informational bulletin explains condensation in exterior lights and replacment guidelines for warranty replacement.
• 10135218Apr 22, 2014Equipment. This informational bulletin is to assist with the identification of issues that are not considered warrantable.
• 10111815Apr 21, 2014Engine. This Preliminary Information communication provides information to the technician about vehicles that have a ticking noise on cold start after sitting more than 6 hours. Technician will inspect the oil pump pick-up tube to block seal being compressed. It the seal is compressed replace the seal and retest.
• 10111811Apr 18, 2014Electrical system, Equipment. This Preliminary Information communication provides information to the technician about vehicles that have an OnStar system that will not power up. Technician should turn off the ignition and cancel retained accessory power. After the vehicle has powered down remove power to the OnStar module for five minutes. After the power has been removed for five minutes, if the OnStar system is working release the vehicle.
• 10111810Apr 17, 2014Equipment. This Preliminary Information communication provides information to the technician about installing General Motors Accessory pats. Technician can check Service Information for some accessories. Technician can also contact Partect for assistance. Technician can also contact Techline Customer Support Center for programming issues.
• 10135201Apr 14, 2014Equipment. This information bulletin provides the technician with additional information on fixing the vehicle right the first time by listing possible concerns to specific vehicles.
• 10135196Apr 11, 2014Engine cooling. This informational bulletin advises the technician of new timing chains and guides and part numbers.
• 10250013Apr 1, 2014Electrical system. High Voltage Safety ? High Voltage Disabling
• 10246588Apr 1, 2014Engine cooling. Information on High Feature V6 Timing Chain Kits and Chain Guide Replacements DTCs P0008, P0009, P0016, P0017, P0018 and/or P0019
• 10055422Apr 1, 2014Engine. Gm: some dtc codes may be set, p0016, p0017, p0018, p0019, p0008, or p0009. 3.6 ly7 with cam actuator dtc.the reluctor for the crankshaft sensor pressed on the crankshaft may have moved. Also included buick allure model year 2005.
• 10052863Apr 1, 2014Engine. Gm: some vehicles require replacements for high feature v6 timing chain kits and guide replacements. Also included chevrolet captiva. Model years 2007-2013. *js updated 7/18/14.
• 10137887Mar 28, 2014Electrical system. This warranty bulletin explains how to use the EL-50313 Midtronic GR8 Battery tester to test a battery and determin if it is warranty or not
• 10111886Mar 28, 2014Electrical system. This Preliminary Information communication provides information to the technician that Diagnostic Trouble Codes P0016, P0017, P0018, P0019, P0008 or P0009 may be set. Technician will need to inspect for loose timing chains or tensioners. If after following Service Information diagnostics the root cause is not found inspect the reluctor for the crankshaft sensor. If the reluctor has moved then replace crankshaft.
• 10137866Mar 17, 2014Equipment. This informational bulletin helps the technician quick reference repairs to bulletins as opposed to replacing parts that may be un necessary.
• 10111850Mar 5, 2014Equipment. This Preliminary Information communication provides information to the technician about vehicles that when a Canadian customer may comment that when they travel to the United States, they are unable to connect to OnStar or use hands free calling. Dealer can advise the customer that the existing cell phone provider not having roaming agreements in areas outside of Canada.
• 10111849Mar 5, 2014Electrical system, Equipment. This Preliminary Information communication provides information to the technician about vehicles that have a frequent "off route" messages while following Turn by Turn route. Technicians will need to remove power from the Vehicle Communication Interface Module for one hour and retest for the concern.
• 10111848Mar 5, 2014Equipment. This Preliminary Information communication provides information to the technician about vehicles that has no XM audio on certain channels but XM channel info is displayed. Technician will need to contact XM and deactivate and activate the module.
• 10111846Mar 4, 2014Electrical system. This Preliminary Information communication provides information to the technician about a customer?s request to install OnStar Bluetooth. Dealer should be advised at this time, there are no provisions to add this option to vehicles that were not built with it.
• 10111845Mar 4, 2014Equipment, Electrical system. This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have an OnStar Turn-By-Turn Navigation the system that is inoperative. Technician verifies there are no Diagnostic Trouble Codes are present in the Antilock Braking System and Vehicle Communication Interface Module of the vehicle. If no Diagnostic Trouble Codes found call OnStar using…
• 10247681Mar 1, 2014Equipment. Information On Requests To Add OnStar Bluetooth Option.
• 10246982Mar 1, 2014Electrical system. Checking Smartphone Bluetooth Software Update Status
• 10245950Mar 1, 2014Equipment. Canadian Customers Unable To Place Calls In The United States
• 10073396Mar 1, 2014Equipment. Summary to be provided on a future date.
• 10111973Feb 28, 2014Wheels, Body and structure. This Preliminary Information communication provides information to the technician on a proper paint code for the following special addition vehicles.
• 10111966Feb 26, 2014Electrical system. This Preliminary Information communication provides information to the technician about vehicles that have an OnStar system that will not power up. Technician should turn off the ignition and cancel retained accessory power. After the vehicle has powered down, remove power to the OnStar module for five minutes. After the power has been removed for five minutes, if the OnStar system is working release the vehicle.
• 10111964Feb 26, 2014Electrical system. This Preliminary Information communication provides information to the technician about vehicles that have the OnStar system does not respond properly to some numbers and/or voice commands. Dealer should direct the customer to review the operational characteristics in the OnStar Users Guide.
• 10138646Feb 25, 2014Transmission and drivetrain, Engine, Equipment. This informational bulletin provides a process to the service agents that are not required to contact PQC, to determine when to replace a assembly as opposed to repairing and if an engine or transmission is being returned, that it has all the information in relation to that part being returned.
• 10111962Feb 25, 2014Electrical system. This Preliminary Information communication advises the technician that when replacing the camshaft part number 12626660. Technician will need to ensure that the date code and the finish of the camshaft. If the cam is discolored or has chatter marks, have parts department send the cam back as (MR code7) new defective.
• 10138640Feb 21, 2014Visibility (wipers, defrost, mirrors). This warranty bulletin explains how to determine if an outside mirrior was damaged by the customer and what is considered warranty and non-warranty.
• 10138639Feb 21, 2014Equipment, Wheels. This informational bulletin provides the technician the proper way to install and torque the wheel.
• 10138638Feb 21, 2014Wheels. This informational bulletin explains how to balance a chrome wheel without damaging the chrome face of the rim.
• 10138637Feb 21, 2014Wheels, Equipment, Tires. This informational bulletin provides technicians with ways to decrease the tire slipping on the rim and reduce to possible chances of the customers concerns over tire vibration are repair.
• 10138631Feb 18, 2014Tires, Wheels. This technical bulletin provides a procedure on cleaning a leaking rim, to correct a customers concern of having a slow tire leak and low tire psi message on.
• 10138630Feb 18, 2014Equipment, Tires. This informational bulletin explains the use of Nitrogen in GM tires.
• 10138621Feb 17, 2014Equipment. This informational bulletin helps the technician quick reference repairs to bulletins as opposed to replacing parts that may be un necessary.
• 10111932Feb 14, 2014Body and structure. This Preliminary Information communication provides information to the technician on a proper paint code for the following special addition vehicles.
• 10111927Feb 12, 2014Brakes, Fuel system, Equipment. This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp. Technician may find Diagnostic Trouble Code P0442. Technician will need to review Techlink article from May 2013 titled "Using the Evaporative Emissions System Tester" Technician will need to follow these steps to help diagnose the issue. First after the P0442…
• 10111917Feb 11, 2014Wheels, Transmission and drivetrain. This Preliminary Information communication provides the technician with the steps on repairing a clunk noise after shifting from reverse to drive or drive to reverse and then accelerating. The concern is only with rear wheel drive 6L45 or 6L50 automatic transmissions with Regular Production Option Code MYA or MYB apply. Apply thread locker to the transmission output shaft flange splines and install a new front…
• 10138609Feb 10, 2014Equipment. The informational bulletin provides a procedure to remove and repair rust from a Hem Flange.
• 10138606Feb 10, 2014Visibility (wipers, defrost, mirrors), Equipment. This warranty administration bulletion provides the dealer technician information and guidelines for claiming a windshield.
• 10138605Feb 10, 2014Equipment. This technical bulletin provides a procedure to correct the customers concern of odor coming from the Air conditioning.
• 10111894Feb 4, 2014Equipment. This Preliminary Information communication provides information to the technician that General Motors and General Motors of Canada Company do not support cross border sales. The General Motors of Canada Customer Care Centre is the sole authorized provider of a certification confirmation letter which helps our customers identify if their vehicles meets the required USA regulatory standards necessary for importation…
• 10246621Feb 1, 2014Equipment. Car and Truck Fix it Right the First Time Issues

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