2019 Chevrolet Impala Technical Service Bulletins

632 technical service bulletins (TSBs) are on record for the 2019 Chevrolet Impala. 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.

• 10197281May 4, 2021Engine cooling. This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have oil mixed in with the engine coolant. Technician will need to inspect the oil cooler if equipped for possible leaking into the cooling system through the radiator. If no issue found replace the engine as well as all rubber coolant hoses. Also updated to include ALL HFV6…
• 10199238May 3, 2021Engine, Electrical system. This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.
• 10198847May 3, 2021Engine cooling. This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.
• 10194079Apr 30, 2021Transmission and drivetrain. This Warranty Admin service 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 for Canadian Dealers only.
• 10194114Apr 23, 2021Equipment. This service bulletin provides information regarding Witness Marks from Panel Adjustments Made During Manufacturing and that it is considered a normal condition.
• 10195126Apr 22, 2021Engine. This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
• 10194101Apr 16, 2021Equipment. This warranty administration bulletin provides policy information requirements applicable to key fob replacement under the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2017-2022 and newer model year vehicles with RPO ATH and AVJ (U.S. Only).
• 10194081Apr 13, 2021Equipment. This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.
• 10195128Apr 9, 2021Suspension. This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak.
• 10193443Apr 9, 2021Engine cooling, Brakes, Exterior lighting. 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 P06DE set in the Engine Control Module. P0651 may also be set in the ECM with the P06DE. Technician must follow published Service Information diagnostics for P06DE.
• 10194082Apr 7, 2021Equipment. This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only).
• 10195149Apr 6, 2021Equipment. This service bulletin provides information on Enhancing Field Product Reports with Digital Pictures.
• 10195127Apr 6, 2021Equipment. This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only).
• 10191191Mar 30, 2021Equipment. This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim.
• 10191192Mar 29, 2021Equipment. This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA).
• 10190428Mar 26, 2021Electrical system, Back-over prevention (rear camera), Fuel system. This PI offers diagnostic tips to a technician when diagnosing a possible fuel level sensor concern. The tech is advised to ohm test the sensor at the terminals located on top of the fuel module while performing a sweep test. If the test fails the technician is instructed to replace the sensor and then perform the sweep test again.
• 10190426Mar 25, 2021Electrical system. This Preliminary information communicates and issue with the memory seat module waking up the low speed GM lan bus and causing a battery draw.
• 10191218Mar 19, 2021Brakes. This service bulletin informs dealers that a new Power Brake Booster Vacuum Cap will need to be replaced when installing the revised Power Brake Booster Vacuum Pipe to correct DTCs being set due to misrouting of brake booster vacuum pipe.
• 10191193Mar 19, 2021Body and structure. This technical bulletin provides a procedure to replace the upper and lower valve body housings to correct launch shudder, 2-3 Upshift or 3-2 Downshift concerns.
• 10191233Mar 17, 2021Equipment. This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
• 10191232Mar 11, 2021Equipment. This informational bulletin provides information on proper use of floor mats.
• 10191207Mar 11, 2021Engine cooling, Transmission and drivetrain. This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global Warranty Management.
• 10191217Mar 9, 2021Equipment. 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.
• 10191206Mar 9, 2021Electrical system. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.
• 10191163Mar 8, 2021Steering. This service bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear.
• 10188403Jan 29, 2021Suspension, Transmission and drivetrain. This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.
• 10188401Jan 29, 2021Equipment, Body and structure. This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen.
• 10187745Jan 22, 2021Engine. This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.
• 10187751Jan 14, 2021Engine. This service bulletin provides diagnostic aid procedure to perform inspections to determine if the engine needs to be replaced as opposed to just internal parts for knocking, rattle, squeak and/or squeal type noises from engine.
• 10187379Dec 23, 2020Equipment. This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA).
• 10186065Dec 23, 2020Equipment. This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA).
• 10187625Dec 16, 2020Engine cooling, Equipment. This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
• 10186104Dec 16, 2020Engine cooling, Equipment. This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
• 10187627Dec 8, 2020Engine cooling, Equipment. This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
• 10186106Dec 8, 2020Equipment, Engine cooling. This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
• 10187394Dec 4, 2020Tires. This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).
• 10186080Dec 4, 2020Tires. This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).
• 10187626Dec 1, 2020Equipment. This bulletin provides information on Warranty Administration ? Required Operating Procedures - 8 Points (U.S. Only).
• 10187372Dec 1, 2020Transmission and drivetrain. This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares.
• 10186105Dec 1, 2020Equipment. This bulletin provides information on Warranty Administration ? Required Operating Procedures - 8 Points (U.S. Only).
• 10186058Dec 1, 2020Transmission and drivetrain, Electrical system. This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares.
• 10184480Nov 25, 2020Equipment. This warranty administration bulletin provide policy information for variable diagnostic time allowances on select labor operations (U.S. Only).
• 10184501Nov 19, 2020Engine, Transmission and drivetrain. This service bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification.
• 10184499Nov 12, 2020Equipment, Wheels. This service bulletin provides information on Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels.
• 10184105Nov 11, 2020Wheels, Tires. This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
• 10184504Nov 6, 2020Visibility (wipers, defrost, mirrors). This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic.
• 10184503Nov 6, 2020Body and structure, Equipment. Thins informational bulletin provides information on Paint-less Dent Repair Process.
• 10183211Oct 30, 2020Equipment, Engine cooling. This service bulletin provides information on Improved Oil Filter Gasket Design for Spin-On Oil Filters PF63, PF64 and PF48.
• 10183782Oct 23, 2020Transmission and drivetrain, Electrical system, Equipment. The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
• 10183126Oct 23, 2020Engine. This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.

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