2018 Chevrolet Malibu Technical Service Bulletins

1,066 technical service bulletins (TSBs) are on record for the 2018 Chevrolet Malibu. 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.

• 10163237Jun 10, 2019Engine cooling. This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area.
• 10163215Jun 6, 2019Transmission and drivetrain. This Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns.
• 10162106Jun 3, 2019Electrical system. This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking tension or probing the .64 series terminals. The test probe terminal has been released in the terminal repair kit (J-38125-620H) located in Lear Tray 7 part number 963716-2.
• 10161941May 29, 2019Electrical system, Engine cooling, Engine. This technical bulletin provides a procedure to change the oil if excessive fuel has been found in the oil and the cause of the DTC set. Also replacing the PCV valve in camshaft cover and updating the ECM with latest software.
• 10161046May 28, 2019Equipment. This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
• 10161878May 23, 2019Electrical system. This technical bulletin provides repair information to correct a customer concern of an intermittent blank or flickering driver information center (DIC).
• 10161932May 21, 2019Engine cooling. This informational bulletin advises of a new fuel injection kit used for decarbonizing the intake valves, and explains how toptier fuels should be used to reduce carbon build up.
• 10161968May 20, 2019Transmission and drivetrain. This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
• 10161973May 16, 2019Seats. This engineering informational bulletin is requesting information from the field to determine a root cause for a condition of drivers seat track will not adjust forward and/or backwards and becomes seized. This PIE revision adds the Acadia, XT5, Traverse and Enclave Models.
• 10161972May 16, 2019Electrical system. This engineering information PI is requesting information from the field to visually inspect the wiring harness and X5 connector that is plugged directly into the UBEC for signs of a thermal event. This EI revision updates the Subject and Condition.
• 10161019May 15, 2019Forward collision avoidance. This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert".
• 10161014May 13, 2019Fuel system, Engine. This Preliminary information communicates A vehicle may have a concern of running poor and stalling. No trouble codes may be set referencing this condition. Fuel trims around -20% may be observed on both banks. Engine oil level will be found over full and have a fuel odor. It will be found that the Engine oil is diluted with fuel. Small gas engines (SGE) May only have the engine oil level over full and have a fuel…
• 10161906May 9, 2019Tires. This informational bulletin provides information for dealers/technicians on Tire Radial Force Variation (RFV).
• 10161929May 8, 2019Equipment. This warranty administration bulletin provide policy information to cover GM's policy on performing GM covered vehicle services and maintenance on vehicles originating/sold in Canada.
• 10160987May 7, 2019Engine. This Preliminary Information communication provides information to the technician to not remove the torque converter bolts and start the engine as this may cause damage to the torque converter of the crankshaft on vehicles equipped with an automatic transmission.
• 10160983May 6, 2019Equipment, Engine. This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller rockers to inspect them. Only replace the roller rocker that is missing needle bearings. Be sure to clean the oil drains to retrieve the needle bearings. Each roller rocker has 66 bearings.
• 10161907May 2, 2019Equipment. This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC).
• 10160117Apr 26, 2019Body and structure, Suspension. This technical bulletin provides a procedure to add a washer to prevent the rear shock outer housing making solid contact with the shock mount isolation rubber.
• 10160690Apr 24, 2019Fuel system, Engine. This Preliminary information communicates to the dealer an issue where the vehicle's engine may crank over unprompted and not start afterward. This is the result of hooking up the Active Fuel Injector Tool incorrectly on vehicles equipped with a direct fuel injection system. This Preliminary information instructs the dealer of a repair kit they received that will prevent this issue when installed correctly.
• 10160682Apr 23, 2019Visibility (wipers, defrost, mirrors). This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.
• 10160680Apr 18, 2019Back-over prevention (rear camera), Electrical system. This Preliminary Information communication provides the technician with inspection and repair instructions for vehicles with Service Engine Soon lamp when locking, unlocking, going into gear, and when vehicle is running. If service rear camera message on the divers information center, address U-type DTC's stored prior to diagnosing DTC P175F stored in the Transmission Control Module. Technician will inspect…
• 10160426Apr 17, 2019Exterior lighting. This informational bulletin provides information for dealers/technicians on Rear Tail Lamp Turn Signal Intermittently/Temporarily Flashes Quickly at Low Temperatures and that the tail lamp is functioning as intended.
• 10160672Apr 16, 2019Equipment. This Preliminary Information communication provides information to the technician about vehicles that the Navigation radio does not have a global positioning system location but OnStar is able to accurately locate the vehicle. Technician should check the installation of the COAX cables to be router correctly. Technician will gain access to the Radio or Human Machine Interface depending on the vehicle build. Install…
• 10160421Apr 16, 2019Equipment, Engine cooling. This informational bulletin provides information to the tech to discard the PCV drain tube when working on the lower area of the engine.
• 10160666Apr 15, 2019Electrical system. This Preliminary Information communication provides information to the technician that First Responder Guides for General Motors vehicles can be accessed via the web at http://www.gmstc.com. or http://www.nfpa.org/
• 10160124Apr 15, 2019Engine, Transmission and drivetrain. This technical bulletin provides a procedure to swap the knock sensor 1 with knock sensor 2 to correct a lack of power or hesitation After Vehicle has reached operation temperature condition.
• 10160662Apr 12, 2019Electrical system. This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Dealer should advise the customer the specification for speedometer needle accuracy is +/- 2 MPH at any given speed when looking straight at the needle.
• 10160118Apr 12, 2019Transmission and drivetrain. This technical bulletin provides repair information to correct a customer concern of message displaying shift to park when in park.
• 10160133Apr 2, 2019Equipment, Transmission and drivetrain. This informational bulletin provides normal operating characteristics and diagnostic information on Manual transmissions.
• 10160401Apr 1, 2019Engine cooling. This Preliminary Information communication advises the technician that the drive motor generator control module restriction through the General Motors Technical Assistance Center has ended.
• 10160135Apr 1, 2019Equipment. This informational bulletin provides information on proper use of floor mats.
• 10160132Apr 1, 2019Electrical system. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.
• 10158819Mar 28, 2019Engine. This technical bulletin provides a procedure to change the oil if excessive fuel has been found in the oil and the cause of the DTC set. Also replacing the PCV valve in camshaft cover and updating the ECM with latest software.
• 10158854Mar 27, 2019Engine cooling, Equipment. This informational bulletin provides the technician of a possible location of the motor mount grounding out due to debris causing the customer concerns.
• 10158864Mar 26, 2019Equipment. This warranty administration bulletin provides information on Dealer Empowerment Labor Operations and Customer Enthusiasm.
• 10158859Mar 25, 2019Equipment. This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles.
• 10158855Mar 25, 2019Equipment. This informational bulletin provides the dealership with how to prep a vehicle for delivery to the customer to aid in higher CSi scores.
• 10158867Mar 22, 2019Equipment. This informational bulletin provides information on proper use of floor mats.
• 10158861Mar 22, 2019Equipment, Electrical system. This informational bulletin provides information for the IPC odometer programming method quick reference guide.
• 10158857Mar 22, 2019Equipment. This informational bulletin provides information for the dealer technician to gather as much information to help aid Engineers by completely filling out requested reports.
• 10158870Mar 20, 2019Engine cooling, Equipment. This engineering information PI ends the need for information from the field on a oil leak from the oil pan.
• 10158816Mar 20, 2019Electrical system. This Warranty Administration Bulletin Provides High Voltage Battery Exchange Process Information.
• 10156939Mar 19, 2019Equipment. This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
• 10159557Mar 15, 2019Fuel system. N182199610 - Customer Satisfaction Program. Certain vehicles may have a condition in which the high-pressure fuel pump may crack and potentially leak fuel. This may occur over time with vehicle usage. If a fuel leak occurs, the customer may notice an odor. If the fuel leak is unaddressed, the vehicle may fail to start, exhibit reduced engine power, or lose propulsion. This will display a message on the Driver…
• 10158871Mar 15, 2019Equipment, Engine cooling. This engineering information PI ends the need for information from the field on a oil leak from the oil pan.
• 10158863Mar 15, 2019Equipment, Electrical system. This bulletin provides information for electrical ground repairs using new replacement fasteners with "conductive finish".
• 10158862Mar 14, 2019Electrical system, Equipment. This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer.
• 10158780Mar 14, 2019Electrical system. This technical bulletin provides a procedure for connector kit and ambient air temperature sensor harness replacement due to active shutters being inoperative.
• 10158822Mar 13, 2019Equipment, Electrical system. This technical bulletin provides repair information to correct a customer concern of an intermittent blank or flickering driver information center (DIC).
• 10156929Mar 13, 2019Equipment. This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.

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