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Service bulletins for the 2020 Chevrolet Silverado

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

2120 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Body and frame are shown. Show all

Bulletins, newest first
N202306491 Messa2020-07-20. Service bulletin. STRUCTURE:BODY:HOOD; EQUIPMENT ADAPTIVE/MOBILITY. Service Update (Revised Population). The purpose of this service update is to provide the customer with a goodwill gift to offset customer inconvenience, restore confidence in GM, and maintain loyalty to GM. The vehicles involved in this service update have previously had a hood assembly replacement under recall N192284960. These customers are now being asked to bring their vehicle back in for another hood replacement under Safety Recall N202306490. For their inconvenience, dealers are to offer the customer a selection of one of the available goodwill tools listed in this bulletin. Because each customer has unique preferences, please offer all options found in this bulletin to the customer and allow them to select the one that best suits their situation. Please note that not all vehicles in Safety Recall N202306490 are included in this service update. The goodwill offer described in this bulletin should be presented to the involved customer when they pick up their vehicle after having Safety Recall N202306490 performed on the vehicle. Population reduced.
N2023064912020-07-20. Service bulletin. STRUCTURE:BODY:HOOD; EQUIPMENT ADAPTIVE/MOBILITY. Service Update. The purpose of this service update is to provide the customer with a goodwill gift to offset customer inconvenience, restore confidence in GM, and maintain loyalty to GM. The vehicles involved in this service update have previously had a hood assembly replacement under recall N192284960. These customers are now being asked to bring their vehicle back in for another hood replacement under Safety Recall N202306490. For their inconvenience, dealers are to offer the customer a selection of one of the available goodwill tools listed in this bulletin. Because each customer has unique preferences, please offer all options found in this bulletin to the customer and allow them to select the one that best suits their situation. Please note that not all vehicles in Safety Recall N202306490 are included in this service update. The goodwill offer described in this bulletin should be presented to the involved customer when they pick up their vehicle after having Safety Recall N202306490 performed on the vehicle.
20NA0362020-06-22. Service bulletin. STRUCTURE:BODY:TAILGATE; BACK OVER PREVENTION: CAMERA SYSTEM. This informational bulletin provides information for dealers/technicians on Rear Camera Gridlines Incorrect, Misaligned, Offset, Incorrect Camera View after Replacing the Tailgate Handle or Entire Tailgate.
PI0281H2020-06-01. Service bulletin. STRUCTURE:BODY; EQUIPMENT ADAPTIVE/MOBILITY. This preliminary informational bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.
18NA3832020-05-26. Service bulletin. STRUCTURE. This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab due to water leak at rear sliding window.
19NA1042020-04-06. Service bulletin. EQUIPMENT; STRUCTURE:BODY; EQUIPMENT ADAPTIVE/MOBILITY. This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area.
18NA3832020-04-06. Service bulletin. STRUCTURE. This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab due to water leak at rear sliding window.
18NA3832020-03-02. Service bulletin. STRUCTURE:FRAME AND MEMBERS; VISIBILITY:GLASS, SIDE/REAR. This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab due to water leak at rear sliding window.
18NA2792020-03-02. Service bulletin. STRUCTURE:BODY:DOOR; LATCHES/LOCKS/LINKAGES:DOORS:LATCH. This informational bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking.
N1922785802020-02-18. Service bulletin. SEATS; ELECTRICAL SYSTEM; STRUCTURE. Customer Satisfaction Program - certain vehicles may have a condition in which both front seats cooling ventilation feature is inoperative. The cooling switch will not activate the seat fans. Dealers are to add 3 circuits to the body harness.
PIP57052020-02-10. Service bulletin. STRUCTURE; POWER TRAIN. This Preliminary information communicates A vehicle may have a concern of a vibration or drone around 40 MPH and 1200 RPM under a light load. Debris in the tranmission mount. Inspect the transmission mount for debris. If debris is found, clean the mount, reinstall and evaluate for the concern.
N1922679902020-02-10. Service bulletin. STRUCTURE:BODY; ENGINE AND ENGINE COOLING. N192259800 - Customer Satisfaction Program - Certain 2020 vehicles vehicles, equipped with the 6.6L diesel engine (RPO L5P), may have a condition in which the adhesive attaching the heat shield to the air inlet panel may lose adhesion. Dealers are to replace the air inlet grille panel assembly.
18NA3832020-01-27. Service bulletin. STRUCTURE. This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab due to water leak at rear sliding window.
PIP5673A2020-01-21. Service bulletin. STRUCTURE. This Preliminary information communicates advises the technician that the ECM part number will be placed on a parts restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
N1922793502019-12-30. Service bulletin. EXTERIOR LIGHTING:FOG LIGHTS; STRUCTURE; ELECTRICAL SYSTEM. N192279350 - Service Update Bulletin. On certain vehicles, dealer installed accessory LED fog lamps were offered and sold to customers, but there was not a body control module calibration available at the time to enable the fog lamps to operate. Dealers are to reprogram the body control module.
N1922693702019-12-30. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; STRUCTURE:FRAME AND MEMBERS. N102269370 - Customer Satisfaction Program. Certain vehicles, may have a winter grille cover that does not have a hole for the front camera. Without the hole for the front camera, Surround or 360-degree View, is compromised when a front view image is required in whole or part. The resulting front image section on the center stack display will be blocked and appear black or grey. Dealers will replace the winter grille cover.
19NA2572019-12-16. Service bulletin. STRUCTURE:FRAME AND MEMBERS. This technical bulletin provides repair information to correct a customer concern of the pickup box being out of alignment.
PIT57092019-10-15. Service bulletin. STRUCTURE:BODY. This Preliminary information communicates the need for proper documentation when submitting a Field Product Report on paint issues with the new 2020 HD Silverado and Sierra.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.