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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.

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By component

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Only bulletins with component: Transmission and driveline are shown. Show all

Bulletins, newest first
N1922223012019-09-30. Service bulletin. POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT:SEAL; EQUIPMENT ADAPTIVE/MOBILITY. N192222301 - Service Update Bulletin. Certain vehicles, equipped with a single speed transfer case (RPO NP0) or 2-speed transfer case (RPO NQH), may have a condition in which the transfer case could leak oil if the vehicle is operated frequently with the transfer case in Auto or 4HI. The oil leak could lead to abnormal clutch operation. Dealers are to replace the front output shaft seal.
N1922223002019-09-30. Service bulletin. POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT:SEAL; EQUIPMENT ADAPTIVE/MOBILITY. N192222300 - Customer Satisfaction Program. Certain vehicles, equipped with a single speed transfer case (RPO NP0) or 2-speed transfer case (RPO NQH), may have a condition in which the transfer case could leak oil if the vehicle is operated frequently with the transfer case in Auto or 4HI. The oil leak could lead to abnormal clutch operation. Dealers are to replace the front output shaft seal.
PIE05292019-09-23. Service bulletin. POWER TRAIN. This engineering information bulletin is requesting information from the field to validate a field fix. Before contacting engineers, remove the transmission oil pan and inspect for nickel to quarter size pieces of aluminum debris in the oil pan. The 2-3-4-6-8 and 4-5-6-7-8 reverse clutch assembly and the 1-3-5-6-7 clutch assembly may be broken in several pieces.
080730026F2019-09-23. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. This informational bulletin provides information on Some vehicles may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a slight movement that is more often seen visually, rather than felt, when viewed from the outside and using the auto-start feature, if equipped.
19NA1642019-09-23. Service bulletin. POWER TRAIN:DRIVELINE:DRIVESHAFT. This technical bulletin provides a procedure to index the front drive shaft rear yoke to correct the customers concern.
19NA1532019-09-23. Service bulletin. POWER TRAIN. This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal.
PIP5575E2019-09-16. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. This Preliminary information communicates to the dealer technician that the transmission control module P/N 24296206 restriction has ended.
PIP5653B2019-09-16. Service bulletin. EQUIPMENT; POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT. This Preliminary information communicates that engineering has developed a repair for a chirp noise associated with the front axle assembly.
PIP5575D2019-09-16. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. This Preliminary information communicates to the dealer technician that the transmission control module P/N 24296206 is on restriction through the PQC.
PIP5580C2019-09-16. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE); EQUIPMENT ADAPTIVE/MOBILITY. This Preliminary information communicates the exchange program to assist engineering in identification of any early production issues.
PIP5653A2019-09-16. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. This Preliminary information communicates that engineering has developed a repair for a chirp noise associated with the front axle assembly.
19NA1532019-08-26. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal.
19NA1212019-08-26. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). This technical bulletin provides a procedure to perform a trans fluid flush to correct the customers concern.
PI1344C2019-08-19. Service bulletin. POWER TRAIN. This preliminary informational bulletin adds the 2016 model year to diagnostic tips and repair information to correct a customer concern of reduced acceleration at low speed and/or transmission slipping from a launch, DTC P0751 set.
N1922191602019-08-19. Service bulletin. POWER TRAIN. N192219160 - Service Update - Certain 2019 Chevrolet Silverado 4500/5500/6500 vehicles may have been built with a rear axle housing breather improperly installed. If the rear axle housing breather were loose or missing, a customer could see rear diff. fluid on the ground. If the leak were ignored, a grinding noise could occur and continued use of the vehicle may result in the rear differential seizing. Verify rear axle housing breather is installed/oriented correctly. If not, drain and refill rear differential to eliminate any possible contamination and install new rear axle housing breather.
19NA1362019-07-29. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE); EQUIPMENT ADAPTIVE/MOBILITY. This technical bulletin provides a procedure to change the diff fluid if found the cause of the customers concern.
19NA1212019-07-29. Service bulletin. POWER TRAIN. This technical bulletin provides a procedure to perform a trans fluid flush to correct the customers concern.
16NA3382019-07-29. Service bulletin. POWER TRAIN. This Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns.
PIP5593D2019-07-08. 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.
PIP5575C2019-07-08. 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.
PIP5579B2019-07-08. 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.
PIP56542019-07-08. 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.
PIT5202E2019-07-08. 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.
080730035D2019-07-01. Service bulletin. POWER TRAIN. This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
PIP56532019-06-10. Service bulletin. POWER TRAIN. This Preliminary information communicates that engineering is developing a repair for a chirp noise associated with the front axle assembly.

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