Technical Service Bulletins
Search 172,063 manufacturer communications covering 880 vehicle makes from 1955 to 2025.
Showing 11,703 bulletins for CHEVROLET
N202321841 01
Mar 5, 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
N202318850
Mar 5, 2021
280000 BACK OVER PREVENTION
Service Update. certain vehicles may have a damaged NOx sensor connector. Dealers are to replace the nitrogen oxides sensor ? position 2.
PIT5820
Mar 5, 2021
350000 EQUIPMENT
This Preliminary information communicates an issues with an SES MIL and DTC P2B87 setting. Engineering has releasing updated cals to correct the concern.
PIT5544D
Mar 5, 2021
010000 STEERING
This Preliminary information communicates information on a hydrauilc rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made. The noise is
PIT5819
Mar 5, 2021
063200 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
This Preliminary information communicates in temperatures below freezing, it may be noticed that exhaust is only exiting from the right hand exhaust tailpipe. The cause of this condition is a low point in left side tailpipe which results i
21NA047
Mar 4, 2021
100000 POWER TRAIN
This technical bulletin provides a procedure to test the transmission for a possible fluid concern and change the transmission fluid if found the cause.
N212328090
Mar 4, 2021
103000 POWER TRAIN:AUTOMATIC TRANSMISSION
Customer Satisfaction Program. Certain 2021 model year Chevrolet Silverado 1500 and GMC Sierra 1500 vehicles, equipped with an 8 speed automatic transmission, (RPO MQE), may have a broken reaction carrier in the transmission. Dealers will
PIP5655E
Mar 4, 2021
160000 STRUCTURE
This Preliminary information communicates to the dealer technician that the 10L1000 transmission and valve body assembly part restriction has ended. Dealers are advised that these transmissions and valve bodies can now be ordered through
PIP5709L
Mar 4, 2021
100000 POWER TRAIN
This Preliminary information communicates the transmission used in the 2020 and 2021 Corvette is on exchange with the supplier for early root cause analysis.
21NA049
Mar 4, 2021
100000 POWER TRAIN
This service bulletin provides a Diagnostic Aid for PicoScope Information and Setup for Transmission Related Concerns.
21NA046
Mar 4, 2021
130000 VISIBILITY
This technical bulletin provides a procedure to install foam adhesive to correct the condition of Loss of Window Motor Memory ? Window Drops Down.
PIE0592B
Mar 3, 2021
280000 BACK OVER PREVENTION
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards one or more camera views showing, intermittent behavior and/or totally inoperat
PIE0612A
Mar 3, 2021
110000 ELECTRICAL SYSTEM
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a Dead Battery and/or Shift to Park Lamp Illuminated On Driver Information C
PIE0607A
Mar 3, 2021
350000 EQUIPMENT
This engineering informational bulletin 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
PIP5783
Mar 1, 2021
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
This Preliminary information communicates to dealer technicians that DTC P026C are under investigation by GM Engineerinig.
20NA227
Mar 1, 2021
020000 SUSPENSION
This service bulletin provides a procedure to correct a customer concern of a Wobble Vibration on Hard Acceleration.
100310001F
Mar 1, 2021
200000 WHEELS
This informational bulletin provides information on Wheel Balancer Mounting Instructions.
PIP5771B
Mar 1, 2021
100000 POWER TRAIN
This Preliminary information communicates to the dealer technician to replace the valve body on 8 speed transmissions setting DTC P0796 if no debris is found in the transmission fluid pan. If debris is found in the transmission fluid pan th
N202325860-01
Feb 19, 2021
120000 EXTERIOR LIGHTING
Customer Satisfaction Program (Revised Parts Table). 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 dr
A202321370
Feb 17, 2021
162500 STRUCTURE:BODY:TAILGATE
Service Update. On certain vehicles, the AWD nameplate may be missing from the right side of the tailgate. Dealers are to install the AWD nameplate on the right side of the tailgate.
N212327560
Feb 15, 2021
060000 ENGINE AND ENGINE COOLING
Service update - certain vehicles Savana vehicles may have a condition where the radiator overflow and vent ports were blocked by flash during the molding process at the supplier. Dealers will remove casting flash and refill with coolant a
N202323980
Feb 10, 2021
120000 EXTERIOR LIGHTING
Customer Satisfaction Program - Certain 2021 model year Chevrolet Equinox vehicles, equipped with a charge air cooler, (CAC), with cold weather shutters, (RPO VRI), may have been built without cold weather shutters. Under specific driving a
N202326210
Feb 9, 2021
200000 WHEELS
Customer Satisfaction Program - Certain 2021 model year Chevrolet Silverado 1500 vehicles, equipped with 20" Painted Aluminum Wheels (RPO RD4) may have been double charged for the wheels at the time of vehicle purchase. Dealers will provid
N212328090 Stop
Feb 8, 2021
350000 EQUIPMENT
Stop Delivery Order for Upcoming Customer Satisfaction Program.
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