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
| PIT5694 | 2019-07-08. Service bulletin. SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER. This Preliminary information communicates and issue with the heated/vented seat switch indicators being inoperative or hard to see when the interior light dimmer switch is set to a very low/lowest position. Engineering is currently investigating the issue. |
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| PIP5593D | 2019-07-08. Service bulletin. POWER TRAIN. This Preliminary information communicates to the dealer technician that the 10L80 transmission has been place on a part restriction. Dealers are to contact the Product Quality Center before replacing the transmission assembly. |
| PIP5626A | 2019-07-08. Service bulletin. FUEL SYSTEM, DIESEL. This Preliminary Information communication advises the technician that the 6.6L Duramax Diesel Regular Production Option Code L5D has been placed on Engine Exchange program. Dealer will need to contact General Motors Product Quality Center for further assistance. |
| PIC6365A | 2019-07-08. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This Preliminary information communicates information to dealers advising certain Over the air updates and USB updates have been temporarily suspended. |
| PIP5575C | 2019-07-08. Service bulletin. POWER TRAIN. This Preliminary information communicates to the dealer technician that the transmission control module P/N 24289415 is on restriction through the PQC. |
| PIP5579B | 2019-07-08. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. This Preliminary information communicates that the front and rear axle assemblies are removed from restriction allowing the dealer to fully service the assemblies. |
| PIT5586C | 2019-07-08. Service bulletin. EQUIPMENT:ELECTRICAL. This Preliminary information communicates a customer concern of IPC gauges inoperative or fluctuate, No Start, No Crank, SIR Light / Service Airbag Message, Service Suspension Message, Radio display blank, Steering Wheel Controls (SWC) not illuminated, Turn Signal no audible feedback, HVAC controls inoperative. During diagnostics a technician may find any of the following DTC's: B1011, B1370, B3980, U0020, U0029, U007D, U0073, U0078, U0100, U0101, U0102, U0104, U0140, U0151, U0155, U0164, U0184, U0186, U0198, U0422. Dealer is instructed to check Serial Data Gateway Module X2 connector for terminal concerns and repair as needed. |
| PIT3665H | 2019-07-08. Service bulletin. SERVICE BRAKES. This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn. |
| PIP5580B | 2019-07-08. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Preliminary information communicates the exchange program to assist engineering in identification of any early production issues. |
| PIP5335C | 2019-07-08. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician will find Diagnostic Trouble Codes P0340 and P0341 setting at times. Technician should use normal published Service Information diagnostics. If normal Service Information diagnostics does not isolate the concern, inspect for corrosion in connector X154 located on the front cover next to the vacuum pump. |
| PIP5286B | 2019-07-08. Service bulletin. FUEL SYSTEM, GASOLINE. This Preliminary Information communication provides information to the technician for a vehicle setting both a P2635 and P018B diagnostic trouble codes. The following steps may help to determine if this is caused by a fuel pressure sensor not reading the low end of the pressure range. Technician is to make sure the engine is cold and install the Multiple Diagnostic Interface along with Global Diagnostic System 2. Navigate to fuel system depressurize and at engine idle depressurize the fuel system. The fuel pressure sensor value should drop to 0 and the engine will stall. If a sensor is causing this concern the suspected sensor will not drop to 0 the engine will stall however the sensor will still read 30 to 40 pounds per square inch. |
| PIT5691 | 2019-07-08. Service bulletin. FUEL SYSTEM, GASOLINE. This Preliminary information communicates the need to Reference the latest version of GM Upfitter Integration Bulletin 149 for deleting the front or rear fuel tank of a chassis cab truck with RPO NSQ dual fuel tanks. |
| PIT5457D | 2019-07-08. Service bulletin. SUSPENSION. This Preliminary Information communication provides information to the technician about vehicle with Service ABS and/or Traction control lights/message on, Service Power Steering System, Service Suspension System, and or Loss of communication with EBCM, SWPS, PSCM, and/or SCM. Technician may find Diagnostic Trouble Codes U0077, U0121, U0126, U0131, U0139, U0401, U0415, and/or U0428. Technician should remove the driver and passenger sill plate to gain access to the wire harness. If any open, damaged, or corroded wires should be repaired. |
| PIP5654 | 2019-07-08. Service bulletin. POWER TRAIN. This Preliminary information communicates to the dealer technician that the valve body Part Unique Number (PUN) may contain the letter O or the number 0. |
| PIP4670G | 2019-07-08. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. The Global Architecture electrical system associated with these vehicles does not allow controller swaps between vehicles. |
| PIP5658 | 2019-07-08. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicates There may be a concern where coolant heat shrink clamps need to be replaced for a coolant leak and/or for a service repair. Difficult to get the heat shrink clamps?to seal the coolant hose. For locations that are inaccessible to a heat gun, use hose clamp p/n 1518389C1, torque @ 9-11 Nm (79 - 97 lb in). |
| PIT5690 | 2019-07-08. Service bulletin. INTERIOR LIGHTING. This Preliminary information communicates information on the third row dome lamp operation. |
| PIT5689 | 2019-07-08. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. |
| PIT5202E | 2019-07-08. Service bulletin. POWER TRAIN. This Preliminary Information communication provides information to the technician about vehicles that are equipped with 6L80 Regular Production Option Code (MYC), 6L90 Regular Production Option Code (MYD) or 8L90 Regular Production Option Code (M5U) Automatic Transmission, now have Powertrain Grade Braking. Powertrain grade braking assists when driving on a downhill grade to help maintain desired vehicle speed by using the engine and transmission to slow the vehicle. |
| PIP5629A | 2019-07-08. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Preliminary information communicates to the dealer technicians to refer to service bulletin 19-NA-109. |
| PIP5591B | 2019-07-08. Service bulletin. ELECTRICAL SYSTEM. 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. |
| PI1255G | 2019-07-01. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR. This preliminary informational bulletin contains recommendations of what needs to be done to swap/install camper outside rearview mirrors on a vehicle not originally equipped with them. |
| 120851002J | 2019-07-01. Service bulletin. STRUCTURE; EQUIPMENT. This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. |
| 080730035D | 2019-07-01. Service bulletin. POWER TRAIN. This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid. |
| 19NA109 | 2019-07-01. Service bulletin. ENGINE; ELECTRICAL SYSTEM. This informational bulletin provides information for dealers/technicians on Oil Life Monitor Engine Control Module Update. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.