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.
By type
By component
By trouble code
By topic
| 18NA103 | 2022-05-31. Service bulletin. EXTERIOR LIGHTING; FUEL SYSTEM, GASOLINE. This service bulletin provides service information for customer concerns of an in-tank fuel pump whining noise, engine hard to start and/or stalls and Malfunction Indicator Lamp (MIL) is illuminated that may be caused by gelling of fuel in cold temperatures. |
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| 18NA098 | 2022-05-31. Service bulletin. ENGINE AND ENGINE COOLING. This informational bulletin provides information for the technicians on where to look on the Duramax engine for coolant leaks. |
| 18NA073 | 2022-05-31. Service bulletin. ENGINE. This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement. |
| 18NA067 | 2022-05-31. Service bulletin. SERVICE BRAKES. This service bulletin provides information for cleaning brake dust off of aluminum or chrome wheels. |
| 18NA011 | 2022-05-31. Service bulletin. ENGINE AND ENGINE COOLING. Informational bulletin explaining how a plow may cause overheating and engine damage when traveling over 45 mph. |
| 17NA374 | 2022-05-31. Service bulletin. ELECTRICAL SYSTEM:INTERIOR LAMPS/BULBS. This informational bulletin advises the technician of how the Soot information has changed from grams to percentage. |
| 16NA380 | 2022-05-31. Service bulletin. EQUIPMENT:EMERGENCY:FIRE SUPRESSION:SMOKE/CO WARNING/ALARM. This service bulletin provides a diagnostic aid procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe. |
| 16NA372 | 2022-05-31. Service bulletin. FUEL SYSTEM, DIESEL; FUEL SYSTEM, GASOLINE. This bulletin provides information on common diesel engine tick noises and how they are considered part of normal operation and no parts should be replaced for these normal operating conditions. |
| 16NA361 | 2022-05-31. Service bulletin. AIR BAGS; POWER TRAIN. This service bulletin provides service /diagnostic information to aid with a Transmission Harsh 1-2 Shift Upon First Start Up/Shift of the Day Under Light Throttle. |
| 16NA244 | 2022-05-31. Service bulletin. FUEL SYSTEM, DIESEL; FUEL SYSTEM, GASOLINE. This informational bulletin provides information on Diesel Exhaust Fluid (DEF) and the proper use of the DEF system. |
| 16NA222 | 2022-05-31. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:FILTER/SCREEN; UNKNOWN OR OTHER. This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations. |
| 21NA005 | 2022-05-31. Service bulletin. AIR BAGS. This technical bulletin provides a procedure to replace the air bag and air bag harness to correct a condition of Airbag Malfunction Warning and Airbag Malfunction Indicator Illuminated with DTC B0001-1B due to corrosion. |
| 20NA197 | 2022-05-31. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM); BACK OVER PREVENTION; SERVICE BRAKES, HYDRAULIC. This technical bulletin provides a procedure to inspect and repair the fuel pressure sensor if found the cause of the customers concern. |
| 20NA166 | 2022-05-31. Service bulletin. ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS. This informational bulletin advises the technician of possible coolant entering the areas of the engine, either through failed parts or defects in the castings, that may be the cause of the concerns related to the MIL or the engine running rough. |
| 19NA218 | 2022-05-31. Service bulletin. ENGINE; EQUIPMENT ADAPTIVE/MOBILITY. This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine. |
| 22-NA-092 | 2022-05-18. Service bulletin. SERVICE BRAKES, HYDRAULIC. This informational bulletin provides an optional repair using a different set of brakes that may correct the customers concern of Early Brake Wear in Harsh Environments. |
| 22-NA-090 | 2022-05-18. Service bulletin. WHEELS:LUGS/NUTS/BOLTS/STUDS; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin provides the way to correctly tighten lug nuts to reduce the chances of damaging the cap covers. |
| PIP5776G | 2022-05-16. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicates that a vehicle may exhibit a misfire condition resulting in misfire codes P0300-P308. Upon diagnosis it may be discovered the lifter has come apart. It is recommended to replace the lifter guide and the four lifters. |
| PIT5886A | 2022-05-16. Service bulletin. STRUCTURE:BODY:TAILGATE. This Preliminary information communicates an issue with the tailgate latch handle disengaging from the tailgate. Dealers are to remove the tailgate handle standoff brackets. |
| PIP5794B | 2022-05-16. Service bulletin. POWER TRAIN. This Preliminary information communicates diagnostics to the dealer involving a vehicle shudder concern caused by the camshaft actuator system that can be mistaken for a transmission issue. |
| PIC5260E | 2022-05-16. Service bulletin. VISIBILITY:SUN/MOON ROOF ASSEMBLY. This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks. |
| PIT3227R | 2022-05-16. Service bulletin. STRUCTURE:BODY:TAILGATE:HINGE AND ATTACHMENTS. This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Please communicate to the customer this condition is a normal operating characteristic of their vehicle. |
| PIP5847 | 2022-05-16. Service bulletin. ENGINE AND ENGINE COOLING; ENGINE. This Preliminary information communicates the possibility of a misfire or rough running concern and abnormal engine noise due to excessive wear in exhaust roller follower axle pin. |
| 16-NA-019 | 2022-05-10. Service bulletin. POWER TRAIN. This service bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares. |
| 12-00-89-003B | 2022-05-10. Service bulletin. EQUIPMENT:ELECTRICAL; ENGINE. This service bulletin provides policy information on warranty administration guidelines for multiple repairs with independent causes (GM Canada Dealers Only). |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.