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Here are the technical service bulletins we have for the 2021 CHEVROLET TRAILBLAZER. If you have any questions, do not hesitate to Contact Us:
This 2021 CHEVROLET TRAILBLAZER Technical Service Bulletin affects the 060000 ENGINE (PWS)
20200519
060000 ENGINE (PWS)
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 sto
This 2021 CHEVROLET TRAILBLAZER Technical Service Bulletin affects the 118000 ELECTRICAL SYSTEM: SOFTWARE
20200519
118000 ELECTRICAL SYSTEM: SOFTWARE
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 sto
This 2021 CHEVROLET TRAILBLAZER Technical Service Bulletin affects the 100000 POWER TRAIN
20200519
100000 POWER TRAIN
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 sto
This 2021 CHEVROLET TRAILBLAZER Technical Service Bulletin affects the 350000 EQUIPMENT
20200430
350000 EQUIPMENT
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.
This 2021 CHEVROLET TRAILBLAZER Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20200430
060000 ENGINE AND 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.
This 2021 CHEVROLET TRAILBLAZER Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
20200430
060000 ENGINE AND ENGINE 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.
This 2021 CHEVROLET TRAILBLAZER Technical Service Bulletin affects the 160000 STRUCTURE
20200521
160000 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 soft
This 2021 CHEVROLET TRAILBLAZER Technical Service Bulletin affects the 140000 AIR BAGS
20200520
140000 AIR 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 th
This 2021 CHEVROLET TRAILBLAZER Technical Service Bulletin affects the 060000 ENGINE (PWS)
20200508
060000 ENGINE (PWS)
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 shou
This 2021 CHEVROLET TRAILBLAZER Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
20200508
356000 EQUIPMENT ADAPTIVE
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 shou
This 2021 CHEVROLET TRAILBLAZER Technical Service Bulletin affects the 073000 FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM
20200508
073000 FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM
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 shou
This 2021 CHEVROLET TRAILBLAZER Technical Service Bulletin affects the 103100 POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM, PCM)
20200529
103100 POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM, PCM)
This technical bulletin provides a procedure to replace the transmission auxiliary pump to correct a condition of start/stop inoperative, MIL illuminated w/DTC P2797.
This 2021 CHEVROLET TRAILBLAZER Technical Service Bulletin affects the 060000 ENGINE (PWS)
20200406
060000 ENGINE (PWS)
This informational bulletin advises of normal engine noise produced by the engine.