2019 Chevrolet Blazer Technical Service Bulletins

848 technical service bulletins (TSBs) are on record for the 2019 Chevrolet Blazer. 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.

• 10165096Aug 9, 2019Equipment. This Technical bulletin provides information for dealers/technicians on Radio Software Version V805 Over-the-Air Update Release.
• 10165079Aug 5, 2019Steering. 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.
• 10164740Aug 2, 2019Equipment, Electrical system, Forward collision avoidance. This Preliminary information communicates that a vehicle may come to the dealer with a "service front camera" message. The technician is instructed to use the data bus tool to determine if the front view camera module and active safety module are both communicating on the low speed bus. If the technician determines that one of the modules is not communicating on low speed the tech is instructed of areas to inspect…
• 10163900Jul 26, 2019Equipment. This informational bulletin provides process information for the (GWM) and (WPC) parts return program.
• 10164116Jul 23, 2019Equipment, Brakes. This technical bulletin provides repair information to correct a customer concern of Rear Park Assist Inoperable.
• 10163670Jul 19, 2019Equipment. This Preliminary information communicates information to diagnose DTC C056D or C056E.
• 10164128Jul 17, 2019Equipment, Other or unknown. This technical bulletin provides repair information to correct a customer concern of the rear trailer hitch cover loose.
• 10164127Jul 12, 2019Electrical system, Equipment. This technical bulletin provides repair information to correct a customer concern of Intermittent or Continuous Horn Blowing, Horn Activation Sensitive to the Touch.
• 10163272Jun 26, 2019Equipment. 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.
• 10163268Jun 26, 2019Equipment, Electrical system. This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.
• 10163261Jun 26, 2019Fuel system. This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.
• 10162159Jun 26, 2019Electrical system. This Preliminary information communicates information to dealers advising certain Over the air updates and USB updates have been temporarily suspended.
• 10163266Jun 25, 2019Equipment, Engine. This informational bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
• 10163260Jun 25, 2019Equipment. This informational bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts.
• 10163193Jun 25, 2019Equipment. This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.
• 10162152Jun 24, 2019Equipment. This Preliminary information communicates that a vehicle may come to the dealer with a complaint of a Air Bag light, Service Park Brake, Service Stabilitrak or Service Steering message. Upon inspection the technician may find various communication codes. The technician is directed to remove the center console left side extension panel and inspect for a wire harness that is pinched behind a metal brace.
• 10163251Jun 14, 2019Equipment. This technical bulletin provides repair information to correct a customer concern of Sirius XM Radio Stations Missing or SXM Favorites Greyed Out.
• 10163263Jun 11, 2019Electrical system, Equipment. This bulletin explains the labor operation numbers used for submitting warranty claims for module reprogramming and not when replacing a module.
• 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.
• 10163243Jun 6, 2019Exterior lighting, Electrical system, Equipment. This technical bulletin provides repair information to correct a customer concern of the rear closure hands free lamp logo projection distorted.
• 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.
• 10164097Jun 3, 2019Brakes. Service Update Bulletin. Certain 2019 Chevrolet Blazer vehicles may have a condition where the brake line may make contact with the brake booster causing a rub-thru condition. Bend the brake line away from the brake booster, assuring a 7mm clearance.
• 10162104Jun 3, 2019Seats. This Preliminary information communicates that a vehicle may be brought to the dealer with a complaint that the driver's side power seat will not move at times. The dealer technician may find a code B3920. The technician is instructed to inspect the seat harness beneath the driver's seat for being pinched between the memory seat module bracket and the seat frame tube.
• 10161880May 29, 2019Latches, locks and linkages, Body and structure. This informational bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking.
• 10161362May 29, 2019Engine cooling. Service Update - Revised to add Traverse. Certain vehicles may not have the snow/ice mode calibration enabled. This missing calibration results in the selection of snow/ice mode (knob selector) not having a change in the accelerator pedal response. Reprogram the engine control module (ECM).
• 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.
• 10161038May 21, 2019Equipment. This Preliminary information communicates information to dealers advising certain Over the air updates and USB updates have been temporarily suspended.
• 10161968May 20, 2019Transmission and drivetrain. This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
• 10161896May 20, 2019Back-over prevention (rear camera), Lane departure. This technical bulletin provides repair information to correct a customer concern of Rear Park Assist Inoperable.
• 10161037May 20, 2019Equipment. This Preliminary information communicates that a customer may complain of when a Bluetooth call is received the ringing will be continuous for the rest of the drive cycle . It may be noted that this only seems to occur when using an Android device on OS 9.0. This may be caused by a software concern in the phone. The dealer is instructed that the phone manufacturer is working on a software update to resolve the…
• 10161922May 17, 2019Equipment. This technical bulletin provides repair information to correct a customer concern of hearing a ticking noise coming from upper B-pillar area.
• 10161899May 17, 2019Equipment. This technical bulletin provides repair information to correct a customer concern of hearing a ticking noise coming from upper B-pillar area.
• 10161018May 15, 2019Electrical system. This Preliminary information communicates information for terminal concerns at X203
• 10161975May 14, 2019Visibility (wipers, defrost, mirrors). This engineering information PI ends the need for information from the field for issues on Sunroof and/or Sunshade with Loss of Express Motion or Sunshade Does Not Go Past Halfway Closed and to refer to SI for further diagnosis.
• 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.
• 10160977May 3, 2019Brakes. This Preliminary information communicates information to diagnose DTC C056D or C056E.
• 10160976May 3, 2019Electrical system. This Preliminary information communicates that a vehicle may be encountered with a "service park assist system" message or a rear lift gate that will not open passively. The technician is instructed to inspect connector X400 for evidence of water intrusion. The technician is instructed to replace the harness and terminals in the body side connector as needed if water intrusion or corrosion is found.
• 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).
• 10160086Apr 26, 2019Equipment, Body and structure. This informational bulletin provides information and operating tips for the hands free lift gate.
• 10160141Apr 17, 2019Visibility (wipers, defrost, mirrors). This engineering informational bulletin is requesting information to notify the dealership personnel not to relearn the sunroof module and to contact the engineer for further instructions. This revision removes the Breakpoint information.
• 10160669Apr 15, 2019Exterior lighting. This Preliminary information communicates information for Intellibeam headlamp inoperative and to inspect the low speed data line.
• 10160140Apr 11, 2019Visibility (wipers, defrost, mirrors). This engineering informational bulletin is requesting information to notify the dealership personnel not to relearn the sunroof module and to contact the engineer for further instructions.
• 10160090Apr 11, 2019Electrical system, Equipment. Service Update. Certain vehicles may not have the snow/ice mode calibration enabled. This missing calibration results in the selection of snow/ice mode (knob selector) not having a change in the accelerator pedal response. Reprogram the engine control module (ECM).
• 10160414Apr 10, 2019Suspension. This technical bulletin provides repair information to correct a customer concern of hearing a squeaking/creaking noise coming from the rear suspension when driving on rough roads or over bumps.
• 10160418Apr 9, 2019Electrical system, Equipment, Back-over prevention (rear camera). This technical bulletin provides repair information to correct a customer concern of Blue Screen and Service Rear Vision System Message on Radio Display.
• 10160644Apr 8, 2019Electrical system. This Preliminary information communicates that a vehicle may come to the dealer with a "service driver assist system" message. The technician may find codes B101D and or B390C. If this condition is found the technician is instructed to check the Long Range Radar Module (LRRM) bracket for being loose. Tech is instructed to attempt to move the LRRM by hand and if movement is felt he is instructed to adjust the LRRM…
• 10160133Apr 2, 2019Equipment, Transmission and drivetrain. This informational bulletin provides normal operating characteristics and diagnostic information on Manual transmissions.
• 10160403Apr 1, 2019Seats. This Preliminary information communicates that a vehicle may be brought to the dealer with a complaint that the driver's side power seat will not move at times. The dealer technician may find a code B3920. The technician is instructed to inspect the seat harness beneath the driver's seat for being pinched between the memory seat module bracket and the seat frame tube.
• 10160135Apr 1, 2019Equipment. This informational bulletin provides information on proper use of floor mats.

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