Technical Service Bulletins For 2021 CHEVROLET TRAILBLAZER
Here are the technical service bulletins we have for the 2021 CHEVROLET TRAILBLAZER. If you have any questions, do not hesitate to Contact Us:
Technical Service Bulletins
Technical Service Bulletin #A202301230
This 2021 CHEVROLET TRAILBLAZER Technical Service Bulletin affects the 060000 ENGINE (PWS)
NHTSA #10176817
Date Of Bulletin
20200519
Failing Component Name
060000 ENGINE (PWS)
Description
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
Technical Service Bulletin #A202301230
This 2021 CHEVROLET TRAILBLAZER Technical Service Bulletin affects the 118000 ELECTRICAL SYSTEM: SOFTWARE
NHTSA #10176817
Date Of Bulletin
20200519
Failing Component Name
118000 ELECTRICAL SYSTEM: SOFTWARE
Description
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
Technical Service Bulletin #A202301230
This 2021 CHEVROLET TRAILBLAZER Technical Service Bulletin affects the 100000 POWER TRAIN
NHTSA #10176817
Date Of Bulletin
20200519
Failing Component Name
100000 POWER TRAIN
Description
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
Technical Service Bulletin #PIP5691A
This 2021 CHEVROLET TRAILBLAZER Technical Service Bulletin affects the 350000 EQUIPMENT
NHTSA #10174867
Date Of Bulletin
20200430
Failing Component Name
350000 EQUIPMENT
Description
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.
Technical Service Bulletin #PIP5691A
This 2021 CHEVROLET TRAILBLAZER Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
NHTSA #10174867
Date Of Bulletin
20200430
Failing Component Name
060000 ENGINE AND ENGINE COOLING
Description
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.
Technical Service Bulletin #PIP5692A
This 2021 CHEVROLET TRAILBLAZER Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
NHTSA #10174868
Date Of Bulletin
20200430
Failing Component Name
060000 ENGINE AND ENGINE COOLING
Description
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.
Technical Service Bulletin #PIC6416A
This 2021 CHEVROLET TRAILBLAZER Technical Service Bulletin affects the 160000 STRUCTURE
NHTSA #10176328
Date Of Bulletin
20200521
Failing Component Name
160000 STRUCTURE
Description
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
Technical Service Bulletin #PIP5675D
This 2021 CHEVROLET TRAILBLAZER Technical Service Bulletin affects the 140000 AIR BAGS
NHTSA #10176324
Date Of Bulletin
20200520
Failing Component Name
140000 AIR BAGS
Description
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
Technical Service Bulletin #16NA383
This 2021 CHEVROLET TRAILBLAZER Technical Service Bulletin affects the 060000 ENGINE (PWS)
NHTSA #10176607
Date Of Bulletin
20200508
Failing Component Name
060000 ENGINE (PWS)
Description
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
Technical Service Bulletin #16NA383
This 2021 CHEVROLET TRAILBLAZER Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
NHTSA #10176607
Date Of Bulletin
20200508
Failing Component Name
356000 EQUIPMENT ADAPTIVE
Description
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
Technical Service Bulletin #16NA383
This 2021 CHEVROLET TRAILBLAZER Technical Service Bulletin affects the 073000 FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM
NHTSA #10176607
Date Of Bulletin
20200508
Failing Component Name
073000 FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM
Description
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
Technical Service Bulletin #19NA200
This 2021 CHEVROLET TRAILBLAZER Technical Service Bulletin affects the 103100 POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM, PCM)
NHTSA #10176612
Date Of Bulletin
20200529
Failing Component Name
103100 POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM, PCM)
Description
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.
Technical Service Bulletin #20NA084
This 2021 CHEVROLET TRAILBLAZER Technical Service Bulletin affects the 060000 ENGINE (PWS)
NHTSA #10175763
Date Of Bulletin
20200406
Failing Component Name
060000 ENGINE (PWS)
Description
This informational bulletin advises of normal engine noise produced by the engine.






































