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

PIT5979B May 4, 2023
CHEVROLET — BLAZER (2023) — 3 vehicle combinations
030000 BRAKES (PWS)
This Preliminary information communicates that a vehicle may come to the dealer with a complaint of a dead battery or cruise control inoperative. The technician is instructed to actuate the brake pedal multiple times in an attempt to duplic
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PIP5869A May 4, 2023
CHEVROLET — CORVETTE (2023)
060000 ENGINE (PWS)
This Preliminary information communicates to the dealer of an exchange program that was placed on the 5.5L LT6 engine in the 2023 Corvette.
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N232400841 May 4, 2023
CHEVROLET — BOLT EUV (2023)
353000 EQUIPMENT:ELECTRICAL
Customer Satisfaction Program - certain vehicles may have a window fuel economy label that, due to a printing error, did not state the vehiclea??s battery charge time. The corrected labels shown below include the battery charge time of 7.5
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N232398761 May 4, 2023
CHEVROLET — EXPRESS, EXPRESS 2500, EXPRESS 3500, EXPRESS CUTAWAY VAN, SAVANA (2021–2023) — 10 vehicle combinations
063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
Emission Recall - General Motors has decided to conduct a voluntary emissions recall involving certain vehicles. The Vehicle Emissions Control Information (VECI) label may not contain the correct maximum completed vehicle frontal area valu
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N222385490-01 May 4, 2023
CHEVROLET — SIERRA 1500, SILVERADO 1500 (2023) — 2 vehicle combinations
110000 ELECTRICAL SYSTEM
Customer Satisfaction Program. Due to the industry-wide semiconductor shortage, the DC/AC inverter which operates the power outlets (110/220V) is not functional on certain 2023 model year vehicles listed above, built beginning September 23
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PIP5920 May 3, 2023
CHEVROLET — CORVETTE (2023)
060000 ENGINE AND ENGINE COOLING
This Preliminary information communicates to the dealer information on an engine noise condition that is currently being investigated by engineering.
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N232400840 May 3, 2023
CHEVROLET — BOLT EV (2023)
355100 EQUIPMENT:OTHER:LABELS
Customer Satisfaction Program - certain vehicles may have a window fuel economy label that, due to a printing error, did not state the vehiclea??s battery charge time. The corrected labels shown below include the battery charge time of 7.5
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PIT6009 May 2, 2023
CHEVROLET — BLAZER (2023)
160000 STRUCTURE
This Preliminary information communicates that during PDI it may be discovered there is no front license plate bracket contained in the loose parts. The dealer is advised that this is not a shipping issue and the part should be ordered with
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PIP5919 May 2, 2023
CHEVROLET — SIERRA 2500, SILVERADO 2500 (2024) — 2 vehicle combinations
070000 FUEL SYSTEM, GASOLINE
This Preliminary information communicates that there is Restriction on the Exhaust Gas Temperature Sensors on 2024 6.6L L5P Engine Vehicles
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PIP5918 May 2, 2023
CHEVROLET — SIERRA 2500, SIERRA 3500, SILVERADO 2500, SILVERADO 3500 (2024) — 4 vehicle combinations
060000 ENGINE (PWS)
This Preliminary information communicates that there is A restriction on Nox 1 And NOx 2 sensors of 2024 6.6L L5P.
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PIT6008 May 1, 2023
CHEVROLET — SIERRA 3500, SILVERADO EV (2024) — 2 vehicle combinations
353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
This Preliminary information communicates to dealers a procedure to remove the radio from demo mode
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N232399470 May 1, 2023
CHEVROLET — CORVETTE (2023)
020000 SUSPENSION
Service Update. Certain vehicles may have a condition in which the incorrect calibration was programmed into the Electronic Suspension Control Module at the assembly plant. Dealers will reprogram the Electronic Suspension Control Module.
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23-NA-079 May 1, 2023
CHEVROLET — SILVERADO EV (2024) — 4 vehicle combinations
160000 STRUCTURE
This technical bulletin provides a procedure to install the license plate bracket.
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22-NA-210 May 1, 2023
CHEVROLET — SIERRA 1500, SILVERADO 1500 (2020–2022) — 24 vehicle combinations
060000 ENGINE AND ENGINE COOLING
This technical bulletin provides a procedure to locate and repair a broken ground stud at the NOx converter.
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17-NA-394 May 1, 2023
CHEVROLET — CANYON, COLORADO (2015–2024) — 36 vehicle combinations
020000 SUSPENSION
This technical bulletin provides a procedure for lubricating the rear leaf springs and re-torque the bolts to correct a squeak, clunking noise.
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PIT6006 Apr 28, 2023
CHEVROLET — SILVERADO 1500, TAHOE (2021–2023) — 10 vehicle combinations
171200 LATCHES/LOCKS/LINKAGES:DOORS:LOCK
This Preliminary information communicates where to find the back antenna for learning new key fobs.
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23-NA-081 Apr 28, 2023
CHEVROLET — COLORADO (2023) — 15 vehicle combinations
060000 ENGINE AND ENGINE COOLING
This informational bulletin provides information for dealers/technicians on High Output Engine Calibration Installation Process.
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N222381840-01 Apr 27, 2023
CHEVROLET — EQUINOX, TERRAIN (2022) — 3 vehicle combinations
130000 VISIBILITY
Customer Satisfaction Program. Due to the industry-wide semiconductor shortage, the side blind zone alert feature is not functional on certain 2022 model year vehicles listed above, built beginning June 28, 2022. The affected vehicle owne
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23-NA-020 Apr 27, 2023
CHEVROLET — CORVETTE (2023) — 3 vehicle combinations
060000 ENGINE AND ENGINE COOLING
This service bulletin provides a procedure to re-seal the front engine cover if found the cause of the customer concern of an engine oil leak.
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PIE0735B Apr 26, 2023
CHEVROLET — CORVETTE (2023)
100000 POWER TRAIN
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to transmission fluid that can be seen under the vehicle.
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23-NA-078 Apr 26, 2023
CHEVROLET — TRAVERSE (2021–2023) — 9 vehicle combinations
030000 SERVICE BRAKES, HYDRAULIC
This technical bulletin provides repair information to correct a customer concern of Changing Front Pedestrian Braking Alert Options Error.
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PIT6005 Apr 25, 2023
CHEVROLET — HUMMER EV, SIERRA 1500, SIERRA 3500, SILVERADO 1500, SILVERADO 3500 (2022–2024) — 9 vehicle combinations
118000 ELECTRICAL SYSTEM:SOFTWARE
This Preliminary information communicates of a software concern that General Motors is working on a fix for
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PIP5917 Apr 25, 2023
CHEVROLET — SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500 (2024) — 6 vehicle combinations
060000 ENGINE AND ENGINE COOLING
This Preliminary information provides information to the technician Direction for when DTC P0422 Sets on a 2024 Vehicle with the 6.6L L5P engine.
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PIT5970B Apr 20, 2023
CHEVROLET — SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500 (2020–2022) — 18 vehicle combinations
280000 BACK OVER PREVENTION
This Preliminary information communicates information to the technician that if they receive a vehicle with this concern and verifying the rear view camera is zoomed in, General Motors is aware of this and have created a repair.
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N232397530 Apr 20, 2023
CHEVROLET — SIERRA 1500, SILVERADO 1500 (2023) — 6 vehicle combinations
130000 VISIBILITY
Service Update. On certain vehicles, the side blind zone alert (SBZA) modules may have been installed on the wrong side of the rear bumper. Dealers are to ensure the modules are in the correct location.
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