2020 Buick Regal
TSBs (Technical Service Bulletins)
Technical Service Bulletins (TSBs) for the 2020 Regal are official communications between Buick & their dealerships that describe processes for troubleshooting or fixing certain common problems. All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.
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TSB #16NA109
This technical 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. Read More »
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TSB #080310006G
This technical bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel ... Read More »
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TSB #010601011K
This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption. Read More »
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TSB #090604026R
This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2. Read More »
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TSB #000601026M
This informational bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage. Read More »
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TSB #070601016F
This informational bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement. Read More »
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TSB #990420002K
This informational bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operations. Read More »
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TSB #16NA338
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 ... Read More »
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TSB #PIP4670H
This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. Read More »
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TSB #PI0592E
This preliminary information bulletin provides information om Service Programming System (SPS) Error Codes E4398, E4399, E4403, M4404, M4413, E4414, E4423, E4491 or E6961). Read More »
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TSB #080310006G
This technical bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel ... Read More »
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TSB #PIP5704
This Preliminary information communicates a work around when only 11 digit PUN (Part Unique Number) is seen on Service Solenoid Body Assembly. Read More »
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TSB #PIC5779K
This Preliminary Information communication provides the technician with information on the proper washing of the bright aluminum moldings to avoid the moldings from getting damaged. Read More »
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TSB #080310006G
This technical bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel ... Read More »
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TSB #080310006G
This technical bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel ... Read More »
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TSB #080310006G
This technical bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel ... Read More »
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TSB #PI0592F
This preliminary information bulletin provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961). Read More »
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TSB #17NA073
This warranty administration bulletin provides information regarding the field action courtesy transportation policy. Read More »
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TSB #18NA146
This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only). Read More »
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TSB #130089008B
This bulleting provides Wiring, Terminal and Connector Repair Information including how to determine the Service Part Number in eSI and how to locate the part(s) in the EPC. Read More »
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TSB #990089019R
This informational bulletin provides process information for the (GWM) and (WPC) parts return program. Read More »
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TSB #16NA222
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations. Read More »
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TSB #17NA276
This informational bulletin provides information on Loss of Phone Pairing or Favorites, Last Setting of Volume, Station, App, and Audio Settings Change When Vehicle Shuts Down in Demo Mode and that this is considered a normal ... Read More »
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TSB #100089006G
This informational bulletin provides information for dealers how to submit a product information report (PIR) (Canada Only). Read More »
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TSB #100089009C
This informational bulletin provides information on key code security and information on GM key code look up applications. Read More »
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TSB #010089010N
This informational bulletin provides information on comebacks prevention information and using customer concern verification sheets (CCVS). Read More »
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TSB #18NA306
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only). Read More »
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TSB #100089009D
This informational bulletin provides information on key code security rules and information on GM keycode look-up applications. Read More »
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TSB #080089014F
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). Read More »
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TSB #19NA256
This technical bulletin provides a 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. Read More »
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TSB #010842001M
This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines. Read More »
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TSB #19NA249
This technical bulletin provides repair information to correct a customer concern of Radio Favorites Grayed Out or Unavailable At Times. Read More »