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Technical Service Bulletins

Search 172,063 manufacturer communications covering 880 vehicle makes from 1955 to 2025.

172,063 Unique Bulletins
4,727,244 Total Records
880 Vehicle Makes
1955–2025 Year Range
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Showing 11,703 bulletins for CHEVROLET

N212350930 Feb 6, 2024
CHEVROLET — CORVETTE (2021)
070000 FUEL SYSTEM, GASOLINE
Service Update. Certain vehicles may incorrectly report to test tools an active permanent status of Transmission Control Module (TCM) Diagnostic Trouble Code (DTC) P2781 (Downshift Switch Circuit High). This could cause the vehicle to not
PIT6125 Feb 5, 2024
CHEVROLET — BLAZER EV (2024)
118000 ELECTRICAL SYSTEM:SOFTWARE
This Preliminary information communicates a technician may find U166A set after a programming event. The tech is instructed to disregard this code. It will have no effect on the vehicle and will be removed in a future software update.
PIT6124 Feb 5, 2024
CHEVROLET — EXPRESS 3500 (2023)
353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
This Preliminary information communicates an engineering investigation the concern with Bluetooth missing from vehicles that show as built with Bluetooth.
N232428780 Feb 5, 2024
CHEVROLET — EXPRESS, EXPRESS CUTAWAY VAN, SAVANA (2017–2021) — 12 vehicle combinations
060000 ENGINE AND ENGINE COOLING
Customer Satisfaction Program - Certain vehicles may have a condition in which the transmission Control Valve Body Ball Check Valves can wear prematurely resulting in the possibility for them to become stuck or pass through the Control Valv
PIT6123 Feb 2, 2024
CHEVROLET — SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500 (2024) — 12 vehicle combinations
118510 ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SOFTWARE
This Preliminary information communicates on a software anomaly that causes a Rear Auto Brake and Park Assist Unavailable message on start up that is temporary and how to address that concern.
PIT4506G Feb 2, 2024
CHEVROLET — SIERRA 2500, SIERRA 3500, SILVERADO 2500, SILVERADO 3500, SUBURBAN, SUBURBAN 1500, SUBURBAN 2500, YUKON XL 2500 (2007–2024) — 90 vehicle combinations
190000 TIRES
This Preliminary Information communication provides information to the technician that some owners of Heavy Duty Trucks and Utilities may ask if they can lower their tire pressures. Tire pressures being set to the "Tire and Loading Label" w
24-NA-026 Feb 1, 2024
CHEVROLET — CORVETTE (2020–2024) — 5 vehicle combinations
160000 STRUCTURE
This service bulletin provides a procedure to correct a customer concern of Convertible Top Leak Around Side Glass in High Pressure Car Wash.
PIE0776 Jan 31, 2024
CHEVROLET — BLAZER (2024)
350000 EQUIPMENT
This engineering information (EI) Lite is requesting technicians to follow the FPR App process in regards on fluid and/or grease on the driver floor mat around the acceleration pedal area that results in a repair.
24-NA-025 Jan 31, 2024
CHEVROLET — CORVETTE (2024) — 5 vehicle combinations
060000 ENGINE AND ENGINE COOLING
This service bulletin provides repair information to correct a customer concern of Check Engine Light or Malfunction Indicator Lamp Illuminated with DTCs U0401 and/or U1611 Set.
PIT6120 Jan 30, 2024
CHEVROLET — SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500 (2022–2024) — 10 vehicle combinations
138000 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM
This Preliminary information communicates information to direct to GM Upfitter bulletin 193 for installation instructions for the 9L7 Upfitter Switches.
PIT6119 Jan 30, 2024
CHEVROLET — SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SILVERADO EV (2019–2024) — 33 vehicle combinations
162500 STRUCTURE:BODY:TAILGATE
This Preliminary information communicates an issue where the minor tailgate will not open due to an aftermarket device installed on the vehicle.
PIT5702E Jan 30, 2024
CHEVROLET — SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500 (2019–2023) — 24 vehicle combinations
110000 ELECTRICAL SYSTEM
This Preliminary information communication provides information to the technician on installing Regular Production Option Code 9L7 Up-fitter Auxiliary Switches. Technician will need to reference the latest version of General Motors Up-fitte
N24-2436490 Jan 30, 2024
CHEVROLET — BLAZER EV (2024) — 2 vehicle combinations
274300 LANE DEPARTURE:LANE KEEP:NAVIGATION SYSTEM/SOFTWARE
(There may be future updates under this same release number.) This software update does the following: A? Improves the heating system to help maintain consistent performance A? Fixes the menu navigation and icons A?
24-NA-023 Jan 30, 2024
CHEVROLET — CORVETTE (2023) — 2 vehicle combinations
060000 ENGINE AND ENGINE COOLING
This service bulletin provides repair information to correct a customer concern of Service Engine Soon Lamp Illuminated with DTC P0315.
PIT6118 Jan 29, 2024
CHEVROLET — CORVETTE, HUMMER EV, SIERRA 1500, SIERRA 3500, SILVERADO 1500, SILVERADO EV, SUBURBAN, TAHOE, YUKON (2022–2024) — 21 vehicle combinations
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This Preliminary information communicates to dealer on how to check for an OTA update pending
PIP5810B Jan 29, 2024
CHEVROLET — SIERRA 2500, SIERRA 3500, SILVERADO 2500, SILVERADO 3500 (2020–2024) — 20 vehicle combinations
100000 POWER TRAIN
This Preliminary information communicates that the tool for the HD transfer cases to install the input seal during a repair is incorrect and a new tool is in development.
N232430460 Jan 29, 2024
CHEVROLET — SIERRA 1500, SILVERADO 1500 (2020) — 2 vehicle combinations
060000 ENGINE AND ENGINE COOLING
Special Coverage. Certain vehicles may have a condition that could cause the enginea??s cylinder 2 glow plug to fail. If this condition occurs, the Malfunction Indicator Lamp (Check Engine Light) will illuminate, and a diagnostic trouble
N232418320 Jan 26, 2024
CHEVROLET — CORVETTE (2023) — 2 vehicle combinations
060000 ENGINE AND ENGINE COOLING
Customer Satisfaction Program - Certain vehicles, equipped with an 8-speed dual clutch transmission (RPO M1M), may have been serviced with the wrong Main Control Valve Body. Dealers will replace the Main Control Valve Body.
24-NA-018 Jan 26, 2024
CHEVROLET — CORVETTE (2024) — 2 vehicle combinations
060000 ENGINE AND ENGINE COOLING
This service bulletin provides repair information to correct a customer concern of Intermittent Remote Vehicle Start.
24-NA-001 Jan 26, 2024
CHEVROLET — TRAX (2024) — 10 vehicle combinations
110000 ELECTRICAL SYSTEM
This service bulletin provides repair information to correct a customer concern of Headlamps, Daytime Running Lamps, and/or Taillamps Flash Off/On.
N232430470 Jan 25, 2024
CHEVROLET — CANYON, COLORADO (2020) — 2 vehicle combinations
060000 ENGINE AND ENGINE COOLING
Certain vehicles may have a condition that could cause the enginea??s bank 2 exhaust camshaft position actuator valve solenoid to fail. If this condition occurs, the Malfunction Indicator Light (Check Engine Light) will illuminate, and a d
N232416860 Jan 25, 2024
CHEVROLET — EQUINOX (2023–2024) — 3 vehicle combinations
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
Customer Satisfaction Program - Certain vehicles may have incorrect instructions in the ownera??s manual for Dinghy and Dolly Towing. Dealers are to install the owner manual inserts.
23-NA-209 Jan 25, 2024
CHEVROLET — CANYON, COLORADO (2023–2024) — 8 vehicle combinations
160000 STRUCTURE
This technical bulletin provides a procedure to Oil Can and/or Pop Noise from Roof Area During Car Wash.
PIP5869C Jan 24, 2024
CHEVROLET — CORVETTE (2023–2024) — 2 vehicle combinations
060000 ENGINE AND ENGINE COOLING
This Preliminary information communicates to the dealer of an exchange program that was placed on the 5.5L LT6 engine in the 2023-2024 Corvette.
PIE0747E Jan 24, 2024
CHEVROLET — SIERRA 1500, SILVERADO 1500 (2022–2024) — 18 vehicle combinations
060000 ENGINE AND ENGINE COOLING
This engineering information (EI) closure ends the need for gathering further information from technicians regarding information to inform dealership personnel on elevated Warranty being seen on A/C compressors.
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