Chevrolet Trailblazer Service Bulletins
964 manufacturer communications on file.
- July 28, 2020•Document ID: 10178983Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- 20NA151
- Date Added:
- August 31, 2020
- Manufacturer:
- CHEVROLET
SummaryThis technical bulletin provides a procedure to correct conditions of Engine Idle Unstable, Malfunction Indicator Lamp (MIL) Illuminated - DTC P0011, P0014, P0016, P0017, P05CC and/or P05CE Set.
Associated Products (1)Associated Documents - July 24, 2020•Document ID: 10207729Service Bulletin/Repair InstructionsENGINE; ENGINE AND ENGINE COOLING
- Mfr Comm. #:
- A202304840 01
- Date Added:
- February 7, 2022
- Manufacturer:
- CHEVROLET
SummaryService Update. Certain vehicles may have a condition where the camshaft actuator oil control valve (OCV) center bolt could stick or bind. If this were to happen, it could cause a MIL light to illuminate on the dash (Service Engine Soon), setting diagnostic trouble codes (DTC?s) P0011 or P0014, the engine could run rough and have reduced power. Dealers will inspect for these DTC?s that could have been set by this condition, and repair vehicles that fail the inspection.
Associated Products (2)Associated Documents - July 9, 2020•Document ID: 10178966Service Bulletin/Repair InstructionsEQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE AND ENGINE COOLING:COOLING SYSTEM
- Mfr Comm. #:
- 20NA028
- Date Added:
- August 31, 2020
- Manufacturer:
- CHEVROLET
SummaryThis informational bulletin is to notify dealership personnel as well as providing the customer with the usage instructions from the owner manual, that in extreme cold weather (-18°C or less / 0°F or less), a grille winter cover needs be added during PDI to avoid the customer returning with concerns related to charge air cooler icing.
Associated Products (1)Associated Documents - July 7, 2020•Document ID: 10178974Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- 20NA135
- Date Added:
- August 31, 2020
- Manufacturer:
- CHEVROLET
SummaryThis technical bulletin provides repair information to correct a customer concern of Power Liftgate and/or Instrument Panel Cluster (IPC) Inoperative, No Audio, Malfunction Indicator Lamp (MIL) Illuminated - DTC P159F-00, U0184-00, U0198-00 and/or U1501-00 Set.
Associated Products (1)Associated Documents - June 25, 2020•Document ID: 10178346Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- PIP5675E
- Date Added:
- August 10, 2020
- Manufacturer:
- CHEVROLET
SummaryThis 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.
Associated Products (1)Associated Documents - June 22, 2020•Document ID: 10178338Service Bulletin/Repair InstructionsSTRUCTURE
- Mfr Comm. #:
- PIP5704D
- Date Added:
- August 10, 2020
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary information communicates a work around when only 11 digit PUN (Part Unique Number) is seen on Service Solenoid Body Assembly.
Associated Products (1)Associated Documents - June 16, 2020•Document ID: 10178329Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING
- Mfr Comm. #:
- PIP5739
- Date Added:
- August 10, 2020
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary information communicates specific directions for the application of room temperature vulcanizing (RTV) sealant to the engine Lower Crankcase Extension during engine oil pan installation.
Associated Products (1)Associated Documents - June 16, 2020•Document ID: 10178285Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; EQUIPMENT
- Mfr Comm. #:
- 20NA135
- Date Added:
- August 10, 2020
- Manufacturer:
- CHEVROLET
SummaryThis technical bulletin provides repair information to correct a customer concern of check engine lamp illuminated, DTC P159F 00 set, No Audio.
Associated Products (1)Associated Documents - June 15, 2020•Document ID: 10177362Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- A202299960 01
- Date Added:
- July 20, 2020
- Manufacturer:
- CHEVROLET
SummaryService Update - 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 and replace the select cable if necessary.
Associated Products (1)Associated Documents - June 12, 2020•Document ID: 10177361Service Bulletin/Repair InstructionsEQUIPMENT ADAPTIVE/MOBILITY; ENGINE; EQUIPMENT
- Mfr Comm. #:
- A202304840
- Date Added:
- July 20, 2020
- Manufacturer:
- CHEVROLET
SummarySUB - Certain 2020-2021 Buick Encore GX and 2021 Chevrolet Trailblazer vehicles may have a condition where the camshaft actuator oil control valve (OCV) center bolt could stick or bind. If this were to happen, it could cause a MIL light to illuminate on the dash (Service Engine Soon), setting diagnostic trouble codes (DTC?s) P0011 or P0014, the engine could run rough and have reduced power. Dealers will inspect for these DTC?s that could have been set by this condition, and pass or fail based on results.
Associated Products (1)Associated Documents - June 10, 2020•Document ID: 10178317Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:PUMP; FUEL SYSTEM, GASOLINE
- Mfr Comm. #:
- PIP5734
- Date Added:
- August 10, 2020
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary information communicates to the dealer a testing procedure to isolate a potential Engine Oil Pump Switching issue.
Associated Products (1)Associated Documents - June 4, 2020•Document ID: 10177355Service Bulletin/Repair InstructionsENGINE; FUEL SYSTEM, GASOLINE
- Mfr Comm. #:
- A202302140 01
- Date Added:
- July 20, 2020
- Manufacturer:
- CHEVROLET
SummaryService 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.
Associated Products (1)Associated Documents - June 3, 2020•Document ID: 10178276Service Bulletin/Repair InstructionsSTRUCTURE
- Mfr Comm. #:
- 20NA121
- Date Added:
- August 10, 2020
- Manufacturer:
- CHEVROLET
SummaryThis technical bulletin provides a procedure to locate and fix a possible leak in the roof area due to missing sealant.
Associated Products (1)Associated Documents - June 2, 2020•Document ID: 10178277Service Bulletin/Repair InstructionsSTRUCTURE:BODY:HATCHBACK/LIFTGATE:SUPPORT DEVICE/STRUT
- Mfr Comm. #:
- 20NA122
- Date Added:
- August 10, 2020
- Manufacturer:
- BUICK
SummaryThis informational bulletin provides Information on Proper Liftgate Adjustment.
Associated Products (2)Associated Documents - June 1, 2020•Document ID: 10178275Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- 20NA120
- Date Added:
- August 10, 2020
- Manufacturer:
- CHEVROLET
SummaryThis 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.
Associated Products (1)Associated Documents - May 29, 2020•Document ID: 10176612Service Bulletin/Repair InstructionsPOWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); EQUIPMENT ADAPTIVE/MOBILITY
- Mfr Comm. #:
- 19NA200
- Date Added:
- June 22, 2020
- Manufacturer:
- CHEVROLET
SummaryThis technical bulletin provides a procedure to replace the transmission auxiliary pump to correct a condition of start/stop inoperative, MIL illuminated w/DTC P2797.
Associated Products (1)Associated Documents - May 21, 2020•Document ID: 10176328Service Bulletin/Repair InstructionsSTRUCTURE
- Mfr Comm. #:
- PIC6416A
- Date Added:
- June 15, 2020
- Manufacturer:
- CHEVROLET
SummaryThis 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.
Associated Products (1)Associated Documents - May 20, 2020•Document ID: 10176324Service Bulletin/Repair InstructionsAIR BAGS
- Mfr Comm. #:
- PIP5675D
- Date Added:
- June 15, 2020
- Manufacturer:
- CHEVROLET
SummaryThis 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.
Associated Products (1)Associated Documents - May 19, 2020•Document ID: 10176817Service Bulletin/Repair InstructionsENGINE; POWER TRAIN; ELECTRICAL SYSTEM:SOFTWARE
- Mfr Comm. #:
- A202301230
- Date Added:
- June 29, 2020
- Manufacturer:
- CHEVROLET
SummarySUB - 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 the transmission control module (TCM) with updated software.
Associated Products (1)Associated Documents - May 8, 2020•Document ID: 10176607Service Bulletin/Repair InstructionsEQUIPMENT ADAPTIVE/MOBILITY; ENGINE; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM
- Mfr Comm. #:
- 16NA383
- Date Added:
- June 22, 2020
- Manufacturer:
- CHEVROLET
SummaryThis 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.
Associated Products (1)Associated Documents