Technical Service Bulletins
Search 172,063 manufacturer communications covering 880 vehicle makes from 1955 to 2025.
Showing 11,703 bulletins for CHEVROLET
N202307990 launc
Feb 4, 2021
103000 POWER TRAIN:AUTOMATIC TRANSMISSION
Customer Satisfaction Program. Certain vehicles may have a condition related to the high voltage battery which could gradually lose the ability to maintain voltage. If battery concerns are not addressed, the vehicle could enter a reduced
N202307990
Feb 4, 2021
100000 POWER TRAIN
Customer Satisfaction program - certain vehicles may have a condition related to the high voltage battery which could gradually lose the ability to maintain voltage. If battery concerns are not addressed, the vehicle could enter a reduced p
N202325860
Feb 1, 2021
120000 EXTERIOR LIGHTING
Customer Satisfaction Program. Certain vehicles may have two potential conditions. First; the front caliper may have been produced out of specification on the caliper clearance to the rotor. This can result in brake drag, reducing brake pad
N202302720 01
Jan 28, 2021
100000 POWER TRAIN
Special Coverage. Certain vehicles may have a condition where the vehicle may overheat and enter a reduced power mode when driven on a track at sustained high speeds in high ambient temperatures. Dealers are to install an updated radiator
PIE0593A
Jan 27, 2021
030000 BRAKES (PWS)
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards the trailer brake being inoperative and/or check trailer brakes message on driv
21NA018
Jan 27, 2021
162900 STRUCTURE:BODY:ROOF AND PILLARS
This technical bulletin provides repair information to correct a customer concern of a pop noise heard coming from the rear roof of cab area.
21NA017
Jan 27, 2021
020000 SUSPENSION
This technical bulletin provides repair information to correct a customer concern of a rattle or creak noise heard coming from driver left rear quarter panel area when driving over bumps.
PIE0591A
Jan 27, 2021
162300 STRUCTURE:BODY:DOOR
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards a front door that can not be opened from the inside or outside.
21NA019
Jan 25, 2021
111000 ELECTRICAL SYSTEM:12V/24V/48V BATTERY
This service bulletin provides Diagnostic Aid information - Surge in EV Mode at a Stop.
21NA015
Jan 25, 2021
061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
This technical bulletin provides a procedure to program the ECM if found the cause of the customers concern.
21NA012
Jan 22, 2021
118000 ELECTRICAL SYSTEM:SOFTWARE
This technical bulletin provides repair information to correct a customer concern of Clean Exhaust Filter, Perform Manual Regen, and Loss of Digital Speedometer DIC Displays.
21NA009
Jan 22, 2021
353500 EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)
This technical bulletin provides repair information to correct a customer concern of Navigation System Arrival Time Are incorrect for Certain Locations.
N202321230
Jan 20, 2021
060000 ENGINE AND ENGINE COOLING
Service Update. On certain vehicles the clamp may not be properly aligned and positioned on the hose, or the hose is rolled over on the pump port. The improper assembly can quickly develop into a significant leak early in the truck?s life.
21NA007
Jan 20, 2021
063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
This technical bulletin provides a procedure to program the reductant fluid module if found the cause of the customers concern.
21NA008
Jan 20, 2021
162321 STRUCTURE:BODY:DOOR:HANDLE:INTERIOR
This service bulletin provides a procedure to correct a condition of Chrome Peeling Off Interior Door Handle.
PIE0610
Jan 20, 2021
110000 ELECTRICAL SYSTEM
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Loss of Power, Instrument Panel Cluster (IPC) Gauges are Inoperative and/or Fluctu
N202321840
Jan 14, 2021
100000 POWER TRAIN
Service Update. On certain vehicles equipped with automatic transmissions, the clutch spring retaining ring may not be fully seated. Vehicles with this condition may set DTC Code P0747 and the MIL light (malfunction indicator light) will i
N202319250
Jan 13, 2021
280100 BACK OVER PREVENTION:SOFTWARE
Service Update - Certain 2021 vehicles have a condition where, if an over the air (OTA) update was sent to an affected vehicle, the update would fail. Customers will see the update is available, but after accepting and attempting to instal
20NA208
Jan 13, 2021
118000 ELECTRICAL SYSTEM:SOFTWARE
This technical bulletin provides repair information to correct a customer concern of Assist Step Running Boards Inoperable and Not Functioning with Door Operation.
N202321841
Jan 12, 2021
120000 EXTERIOR LIGHTING
Service Update. On certain vehicles equipped with automatic transmissions, the clutch spring retaining ring may not be fully seated. Vehicles with this condition may set DTC Code P0747 and the MIL light (malfunction indicator light) will i
PIE0607
Jan 12, 2021
110000 ELECTRICAL SYSTEM
This engineering information (EI is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to USB Port Does Not Charge or Recognize Phone/Device, or Not Holding Cable in Port, U
PIE0590A
Jan 12, 2021
060000 ENGINE (PWS)
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards check to the engine lamp being illuminated on the drivers information center (D
PIE0602
Jan 12, 2021
060000 ENGINE (PWS)
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Service Engine Soon Lamp Illuminated On Driver Information Center (DIC), DTC P208B
PI1157
Jan 1, 2021
060000 ENGINE (PWS)
ENGINE IMMOBILIZED and/or SECURITY SYSTEM CONTROLLER IN LEARN MODE Message Displayed, DTC B3031 00 Set Condition/Concern Some customers may comment that the ENGINE IMMOBILIZED and/or SECURITY SYSTEM CONTROLLER IN LEARN MODE message is
20NA225
Dec 23, 2020
110000 ELECTRICAL SYSTEM
This technical bulletin provides a procedure to remove the tabs from the pre and post battery positive cables so they dont contact the Mega fuses mounting studs that are grounded out.