2020 Buick Encore Technical Service Bulletins

655 technical service bulletins (TSBs) are on record for the 2020 Buick Encore. 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.

• 10178317Jun 10, 2020Fuel system, Electrical system, Engine cooling. This Preliminary information communicates to the dealer a testing procedure to isolate a potential Engine Oil Pump Switching issue.
• 10178315Jun 10, 2020Engine, Engine cooling. This Preliminary Information communication provides information to the technician about vehicles that may have a Malfunction Indicator Lamp on. The technician may find Diagnostic Trouble Codes P0299 or P0234 set. The technician is provided with a list of causes of misdiagnosis leading to returned Turbochargers with no trouble found.
• 10177355Jun 4, 2020Fuel system, Engine. Service Update - On certain vehicles, the engine oil pump may be stuck due to foreign material, and diagnostic trouble codes (DTC) P0521, P06DE, P06DD could be set. Dealers are to perform the engine oil pump screening test and if necessary, replace the oil pump.
• 10178276Jun 3, 2020Body and structure. This technical bulletin provides a procedure to locate and fix a possible leak in the roof area due to missing sealant.
• 10178291Jun 2, 2020Equipment. This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
• 10178277Jun 2, 2020Body and structure. This informational bulletin provides Information on Proper Liftgate Adjustment.
• 10178275Jun 1, 2020Transmission and drivetrain. This informational bulletin explains how to check if the pulley and/or drive chain has any damage caused by low fluid or a code set that causes the transmission to default maxing out pressure.
• 10176647May 27, 2020Electrical system, Equipment. This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability.
• 10176328May 21, 2020Body and structure. This Preliminary information communicates to the dealer that if the service AWD (All-Wheel Drive) or AWD (All-Wheel Drive) Off messages are on and there is a history DTC of C15C9 SYM02 set then no repairs are to be made at this time, a software issue was found and Engineering is working on a permanent solution. If the DTC is setting current then published diagnosis needs to be followed.
• 10176649May 20, 2020Electrical system. This informational bulletin provides information for the IPC odometer programming method quick reference guide.
• 10176325May 20, 2020Engine. This Preliminary information communicates the possibility of a crank no start or extended crank condition due to exhaust cam reluctor being out of position.
• 10176324May 20, 2020Air bags. This Preliminary information communicates to the dealer that a customer may comment that the MIL light is illuminated. The technician may find P1098 and/or P26BB set current or history. That this may be caused by a software anomaly, and that GM is currently looking into the issue. It provides testing and related direction based on the results.
• 10176817May 19, 2020Transmission and drivetrain, Engine, Electrical system. SUB - Certain 2021 model year Chevrolet Trailblazer, and 2020-2021 model year Buick Encore GX vehicles, equipped with a continuously variable ratio (CVT) transmission, may experience reduced launch performance during a quick exit from a stop/start event. DTC?s P0746 and P0776 may also set illuminating a Check Engine Light. The main pump in the CVT has a priming delay under certain conditions. Dealers will reprogram…
• 10176618May 18, 2020Equipment, Electrical system. This Technical bulletin provides a service procedure for dealers/technicians on installation of Radio Software Version U148 Over-the-Air Update.
• 10176318May 15, 2020Equipment. This Preliminary information communicates an XM service concern of no audio at startup until a channel change and directs to contact XM for direct support.
• 10176311May 11, 2020Body and structure. This Preliminary information communicates to dealer that upon a PDI they will find a towing eyelet in the right rear bin of the vehicle and where they need to stow it.
• 10176607May 8, 2020Equipment, Fuel system, Engine. This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up.
• 10176644May 7, 2020Equipment. This informational bulletin provides the dealership with how to prep a vehicle for delivery to the customer to aid in higher CSi scores.
• 10176646May 6, 2020Equipment, Electrical system. This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability.
• 10176654May 4, 2020Equipment, Electrical system. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to SD Code messages displayed on the Radio Screen and/or Instrument Cluster - Navigation System Malfunction.
• 10176608May 4, 2020Engine cooling, Equipment. This technical bulletin provides a procedure to install a PCV heater or a charge air cooler to correct the turbo charger system from freezing causing cold weather performance issues.
• 10174868Apr 30, 2020Engine cooling. The Preliminary Information communication advises the technician that there is a part restriction for the 1.2L LIH engine. The dealer technician is advised to call the GM Product Quality Center for further assistance.
• 10174867Apr 30, 2020Equipment, Engine cooling. The Preliminary Information communication advises the technician that there is a part restriction for the 1.3L L3T engine. The dealer technician is advised to call the GM Product Quality Center for further assistance.
• 10175850Apr 29, 2020Equipment, Tires. This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).
• 10175853Apr 28, 2020Equipment. This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability.
• 10174857Apr 24, 2020Electrical system, Fuel system. 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…
• 10174850Apr 20, 2020Electrical system. This Preliminary information communicates to the dealer that if the service AWD (All-Wheel Drive) or AWD (All-Wheel Drive) Off messages are on and there is a history DTC of C15C9 SYM02 set then no repairs are to be made at this time, a software issue was found and Engineering is working on a permanent solution. If the DTC is setting current then published diagnosis needs to be followed.
• 10175861Apr 16, 2020Forward collision avoidance, Lane departure. This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Lane Keep Assist/Adaptive Cruise Control being inoperative.
• 10175855Apr 14, 2020Body and structure, Equipment. This preliminary informational bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.
• 10174817Apr 14, 2020Brakes. This Preliminary information communicates to dealer's that if they root cause a brake squeal/squeak noise heard upon first apply or during light brake pedal application at low speed or while in reverse after a period of non-use such as overnight or cold brakes and/or in high humidity conditions that no repairs are to be completed at this time. Engineering is working on a solution. The PI will be converted into a…
• 10174813Apr 14, 2020Engine, Fuel system. Service Update Bulletin. On certain vehicles, the engine oil pump may be stuck due to foreign material, and diagnostic trouble codes (DTC) P0521, P06DE, P06DD could be set. Dealers are to perform the engine oil pump screening test.
• 10174811Apr 7, 2020Equipment, Transmission and drivetrain. Service Update Bulletin. The gear shift lever may have a detent feel between Park and Reverse caused by the fastening bolt that is not fully seated and contacting the shifter housing. Dealers are to inspect the detent feel of the transmission range selector lever.
• 10175763Apr 6, 2020Engine. This informational bulletin advises of normal engine noise produced by the engine.
• 10175852Apr 3, 2020Equipment. This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles.
• 10174304Mar 31, 2020Equipment. This warranty administration bulletin explains to the technician that when using wiring repair labor operations, additional information may be needed when submitting Global Warranty transactions when doing wiring repairs.
• 10173727Mar 30, 2020Electrical system, Transmission and drivetrain, Engine. This Preliminary information communicates a possible BCM concern if DTC P0747 sets during engine cranking when the transmission is in park.
• 10174259Mar 27, 2020Steering. This Technical bulletin provides information on replacing both inner and outer intermediate steering shaft boots and steering gear due to water intrusion in the steering gear input shaft freezing and/or corrosion causing a hard to steer in colder temperatures and/or knocking/clicking noise.
• 10173726Mar 27, 2020Equipment, Engine, Transmission and drivetrain. This Preliminary information communicates a possible BCM concern if DTC P0747 sets during engine cranking when the transmission is in park.
• 10173725Mar 27, 2020Equipment. This Preliminary information communicates a work around when only 11 digit PUN (Part Unique Number) is seen on Service Solenoid Body Assembly.
• 10174302Mar 20, 2020Equipment. This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles.
• 10174303Mar 18, 2020Equipment. This warranty administration bulletin provides policy information for courtesy transportation and roadside assistance programs.
• 10174260Mar 18, 2020Equipment, Engine cooling. This technical bulletin provides a procedure to install a PCV heater or a charge air cooler to correct the turbo charger system from freezing causing cold weather performance issues.
• 10174443Mar 11, 2020Equipment. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards customer comments on an issue that concerns paint blemishes and/or a fuel filler door color mis-match issue during PDI that results in a repair.
• 10174299Mar 6, 2020Equipment. This informational bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only).
• 10174300Mar 4, 2020Tires. This informational bulletin provides information for dealers/technicians on Use of Nitrogen Gas in Tires.
• 10174301Mar 3, 2020Equipment. This warranty administration bulletin provides information on Warranty Administration ? Customer Concern Not Duplicated (CCND) Labor Operation Numbers.
• 10174307Mar 2, 2020Equipment. This warranty administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information.
• 10173416Feb 28, 2020Equipment, Engine. This informational bulletin explains Unscheduled Supplemental Services (including Flushing Services and Additives) and the Proper use of GM Simplified Maintenance Schedules.
• 10173393Feb 28, 2020Equipment, Body and structure. This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area.
• 10173415Feb 27, 2020Equipment. This bulletin provides information on Warranty Administration ? Required Operating Procedures - 8 Points (U.S. Only).

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