Technical Service Bulletins
Search 172,063 manufacturer communications covering 880 vehicle makes from 1955 to 2025.
Showing 11,703 bulletins for CHEVROLET
22-NA-172
Apr 5, 2023
110000 ELECTRICAL SYSTEM
This technical bulletin provides repair information to correct a customer concern of Trailer Tire Pressure Only Reading Up To 100 PSI, New Parts To Increase To 147 PSI.
PIT5887C
Apr 4, 2023
060000 ENGINE AND ENGINE COOLING
This preliminary information discusses an intermittent power up but no crank concern that could be the B+ stud on the starter oxidation.
PIP5910
Apr 4, 2023
070000 FUEL SYSTEM, GASOLINE
This Preliminary information communicates to dealer technicians that the diesel particulate filter for the 2024 6.6 L5P diesel engine will be placed on a parts restriction through the product quality center (PQC).
N222382630
Apr 3, 2023
350000 EQUIPMENT
Customer Satisfaction Program - Certain vehicles were delivered to customers without the accessory package. Dealers will install the components already paid for by the customer.
PIT5977B
Mar 31, 2023
110000 ELECTRICAL SYSTEM
This Preliminary information communicates to dealers that there is a known issue with a loss of audio and the concern is being investigated by GM Engineering.
23-NA-059
Mar 31, 2023
160000 STRUCTURE
This technical bulletin provides a procedure to correct the condition of Gap at Door Armrest Decorative Trim to the Armrest/Door Switch.
23-NA-017
Mar 31, 2023
060000 ENGINE AND ENGINE COOLING
This technical bulletin provides a procedure to replace the Air Cleaner Outlet Duct if the PCV has been found blocked.
PIP5909
Mar 30, 2023
110000 ELECTRICAL SYSTEM
This Preliminary information communicates to dealer technicians that the Engine Control Module (ECM) is on restriction and will need to be ordered through the Product Quality Center (PQC).
PIP5908
Mar 30, 2023
070000 FUEL SYSTEM, GASOLINE
This Preliminary information communicates to dealer technicians that fuel system components for the 2024 model year 6.6L diesel engine are placed on a parts restriction administered through the Product Quality Center (PQC).
23-NA-061
Mar 30, 2023
060000 ENGINE AND ENGINE COOLING
This informational bulletin advises the tech on how to check for possible exhaust leaks.
23-NA-048
Mar 30, 2023
060000 ENGINE AND ENGINE COOLING
This service bulletin provides a procedure to replace the rear crankshaft seal to correct a customer concern of an oil leak from the center of the vehicle.
23-NA-015
Mar 30, 2023
060000 ENGINE AND ENGINE COOLING
This technical bulletin provides sound examples and a procedure to aid in validating and if found , repairing the customers concern caused by the balance shafts of the engine.
21-NA-122
Mar 30, 2023
010000 STEERING
This technical bulletin provides a procedure to replace the radiator brackets if found loose to correct a customer concern of excessive vibration in the steering wheel or seat or floor at idle or at low to moderate speeds.
PIP5914
Mar 29, 2023
280000 BACK OVER PREVENTION
This Preliminary information communicates to dealers that an engine/exhaust whoosh noise condition heard during active fuel management transition is considered a design characteristic.
N222394260
Mar 28, 2023
081100 FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY
Emission Recall. General Motors has decided to conduct a Voluntary Emissions Recall on certain vehicles with a 6.6L gasoline engine (RPO L8T). In certain vehicles, water may enter the Mass Air Flow (MAF) sensor and cause it to fail. If t
PIT5992
Mar 27, 2023
110000 ELECTRICAL SYSTEM
This preliminary information discusses a condition that may arise from the drivers window switch sending an errant message causing the vehicle to enter manual fob learn mode.
PIP5907
Mar 27, 2023
061120 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER
This Preliminary information communicates to dealer technicians that the turbocharger and turbocharger actuator are on a parts restriction through the Product Quality Center (PQC).
PIP5906
Mar 27, 2023
070000 FUEL SYSTEM, GASOLINE
This Preliminary information communicates to the dealer technicians that the 2024 6.6L (L5P) Duramax diesel engine is on an engine exchange program administered through the Product Quality Center (PQC).
N222391510
Mar 27, 2023
110000 ELECTRICAL SYSTEM
Customer Satisfaction Program - certain vehicles, may have a body harness that is missing various circuits. Dealers are to replace the body harness circuits with a VIN specific harness.
PIP5876A
Mar 24, 2023
160000 STRUCTURE
This Preliminary information communicates that the E66 ECM has now ended.
PIP5825
Mar 24, 2023
104000 POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)
This Preliminary information communicates A vehicle may come in with a internal transfer case concern. Internal fault , Dealers need to disassemble to the point of failure and then do a cost comparison to determan repair VS. replacement.
23-NA-052
Mar 24, 2023
100000 POWER TRAIN
This informational bulletin provides a comparison sheet for the techs to aid while performing a transfer case teardown, if its cost efficient to repair or replace the t-case .
PIT5914A
Mar 23, 2023
284100 BACK OVER PREVENTION:DISPLAY FUNCTION
This Preliminary information communicates a concern on some 2020 Silverado and Sierra trucks where the radio display will go blank when trying to open the trailering app. Dealers are to reprogram the radio to correct this concern.
23-NA-049
Mar 23, 2023
110000 ELECTRICAL SYSTEM
This technical bulletin provides repair information to correct a customer concern of Volume Selection Does Not Clear from DIC After Adjusting Volume.
PIP5912
Mar 22, 2023
110000 ELECTRICAL SYSTEM
This Preliminary information communicates to technicians engineering is working to determine the root cause and not to attempt repairs unless the concern can be duplicated.