Service bulletins for the 2019 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.
2229 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
| 20NA182 | 2020-10-26. Service bulletin. ELECTRICAL SYSTEM; SERVICE BRAKES. This technical bulletin provides a procedure to replace the brake line pressure switch if found the cause of the customers concern. |
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| 20NA181 | 2020-10-26. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING. This technical bulletin provides a procedure to program the ECM if found the cause of the customers complaint. |
| 20NA176 | 2020-10-26. Service bulletin. ENGINE; ELECTRICAL SYSTEM. This technical bulletin provides a procedure to update the GPCM if found the cause of the customers concern. |
| 20NA175 | 2020-10-26. Service bulletin. STRUCTURE. This technical bulletin provides repair information to correct a customer concern of vertical misalignment between cab and pickup box on driver side of vehicle. |
| 20NA171 | 2020-10-26. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This technical bulletin provides repair information to correct a customer concern of software issues with Radio Software Version V808. |
| 20NA157 | 2020-10-26. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This bulletin provides information on the Transport Mode On Message Being Displayed in the Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message ON and OFF. |
| 20NA155 | 2020-10-26. Service bulletin. ENGINE; ELECTRICAL SYSTEM:SOFTWARE. This technical bulletin provides repair information to correct a customer concern of Service Engine Soon Message at Start Up or Shortly after Start Up. |
| 20NA142 | 2020-10-26. Service bulletin. EQUIPMENT; POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT. This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving. |
| 20NA073 | 2020-10-26. Service bulletin. SERVICE BRAKES. This technical bulletin provides repair information to correct a customer concern of Loss of Brake Assist, Various Messages Displayed in Driver Information Center (DIC), Brake Pedal Travel and Apply May Feel Different, One or More of the Following DTCs May be Set: P0606 with C0021, C05D2, C0595, C2A3B, C0024, C053D, P25A2. |
| 20NA055 | 2020-10-26. Service bulletin. ELECTRICAL SYSTEM. This technical bulletin provides a procedure to correct customer concerns of Instrument Panel Cluster (IPC) Gauges Inoperative, Numerous Driver information Center (DIC) Error Messages, No Brake or Electric Power Steering Assist, Transmission in Default Gear, No Reverse and/or Back Up Lights, No Daytime Running Lights (DRL), No Cruise or Adaptive Cruise and/or No Trailer Brake Lights. |
| 18NA361 | 2020-10-26. Service bulletin. FUEL SYSTEM, GASOLINE. This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part. |
| 18NA306 | 2020-10-26. Service bulletin. EQUIPMENT; STRUCTURE:BODY. This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only). |
| 18NA253 | 2020-10-26. Service bulletin. EQUIPMENT. This technical bulletin advised the technician to take the vehicle for a test drive to validate a possible normal TCC performance while under heavy specific driving maneuvers. |
| 18NA161 | 2020-10-26. Service bulletin. ELECTRICAL SYSTEM. This technical bulletin provides a procedure for testing the battery cables for voltage drop, Checking for a bad ground at g218, Inspecting for a short at the starter B+ to shield and testing for a faulty battery. |
| 16NA019 | 2020-10-26. Service bulletin. POWER TRAIN. This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares. |
| N202300240-02 | 2020-10-26. Service bulletin. POWER TRAIN. Customer Satisfaction Program - certain vehicles may have a condition of a transfer case fluid leak below the frontinput shaft bearing retainer or at the idler pulley bearing retainer. Dealers are to inspect and if necessary, replace two o-rings on the transfer case. |
| PIT5752 | 2020-10-19. Service bulletin. EQUIPMENT:ELECTRICAL. This Preliminary information communicates multiple vehicle issues caused by an aftermarket device and it gives dealership information where to inspect for this device. |
| PIP5733D | 2020-10-19. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicates Possible Crank no start or extended crank with DTC p12A6 set current or history. Under Investigation |
| PIT5662E | 2020-10-19. Service bulletin. SERVICE BRAKES. This Preliminary information communicates information to diagnose DTC C056D or C056E. |
| PIT5756 | 2020-10-19. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates an issue with the underhood electrical center bolts being loose which can cause any of the following symptoms: - No crank - No start - Starter grinds or reengages after engine running - Headlights flicker or flash - SES MIL - IPC gauges sweep/fluctuate and various IPC warning lights or messages - High or low system voltage Some of these concerns may be notices with powertrain movement, like when either accelerating or braking. |
| PIT5719A | 2020-10-19. Service bulletin. SERVICE BRAKES, HYDRAULIC. This Preliminary information communicates information on the brake booster pump running at all times even with ignition off. Dealer is to disconnect the brake pipe pressure switch to verify it concern is corrected, if so dealer is to replace the switch. GM Engineering is currently root causing this concern. |
| PIP5737A | 2020-10-19. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicates additional diagnostic tips when diagnosing engine oil leaks on these vehicles. |
| PIE0576 | 2020-10-05. Service bulletin. ELECTRICAL SYSTEM. This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards a start/stop event or during a normal start using the push button on the dash the vehicle would not crank causing it to not start. |
| PIE0554C | 2020-10-05. Service bulletin. ELECTRICAL SYSTEM. This engineering informational bulletin is requesting information from the technicians for the following conditions for the cluster. |
| 990089019U | 2020-10-05. Service bulletin. EQUIPMENT. This Warranty Administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.