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Service bulletins for the 2015 GMC Sierra

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.

3109 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Torque converter are shown. Show all

Bulletins, newest first
20NA1422021-03-01. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER. This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving.
19NA1532021-02-01. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER. This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal.
20NA1422020-11-30. Service bulletin. EQUIPMENT; POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER. This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving.
PIP5337K2018-11-13. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER. This Preliminary Information communication provides information to the technician to refer to bulletin 16-NA-175 to aid in addressing torque converter clutch shudder concerns.
PIP5337F2017-10-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER. This Preliminary Information communication provides information to the technician on the step to diagnose and repair the vehicles that may have a shake or shudder during light throttle acceleration, between 30 and 65 mph steady state driving. Also shudder feeling that may be described as driving over rumble strips or rough pavement. Technician will drive the vehicle and monitor the torque converter clutch slip. The torque converter clutch slip speed should be 10 rpm or less also note if the shudder takes place during torque converter clutch apply. If the torque converter clutch slip speed is in the range of 10 RPM or less the condition is possibly related to engine performance. If the shudder is only present in 4 cylinder mode and torque converter clutch slip is 10 rpm or less deem the shudder concern normal characteristic of Active Fuel Management. If the slip speed is beyond 10 rpm or there is shudder during torque converter clutch apply the torque converter will need to be replaced. Also flush the cooler lines and cooler using DT-45096 transmission oil cooling system flush and flow test tool.
PIP53142017-08-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER; ENGINE. This Preliminary Information communication provides information to the technician about vehicles that have several areas where leaks have been found from inside the torque converter housing. Technician should start with diagnose per Service Information document ID: 2414199 by adding dye. If the leak is coming from torque converter seal, replace torque converter seal and inspect torque converter hub for possible sharp edges on the transition from flats to hub diameter that may damage the seal when the torque converter is installed. If sharp edges are found, dress the edges or replace the torque converter. If the leak is from any of the outer converter housing bolts, replace Separator Plate, both separator plate gaskets, the pump O-ring, and all the retaining bolts and seals. Install new copper washers under the two lower housing bolts. If Leak is through the torque converter housing casting replace the casting, the gaskets and the separator plate.
PIP5382H2017-08-15. Service bulletin. WHEELS:LUGS/NUTS/BOLTS/STUDS; POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER. This Preliminary Information communication advises the technician that generation 5 engines with Regular Production Option Code L83, L86, or LV3 may have an oil consumption concern were one quart in 2000 miles is being used. Dealer will confirm oil level was properly checked per Owner’s Manual, and check the bolt torque on the Valve Lifter Oil Manifold Assembly, before doing any repairs to the vehicle.
PIP5337C2017-08-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER; VEHICLE SPEED CONTROL. This Preliminary Information communication provides information to the technician a vehicle may have a shake or shudder during light throttle acceleration, between 30 and 65 mph steady driving. Technician will drive the vehicle while monitoring Torque Converter Clutch slip speed. If the Torque Converter Clutch slip speed is in the range of 10 RPM or less the condition is possibly related to engine performance. If the slip speed is beyond 10 rpm or there is shudder during Torque Converter Clutch apply the torque converter should be replaced following the instructions published in Service Information.
PI1393B2017-08-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER. This preliminary informational bulletin provides diagnostic tips that may be helpful in correcting a customer concern of a Malfunction Indicator Lamp (MIL) illuminated. Technicians may find DTC P0741 Torque Converter Clutch Stuck Off set .
16-NA-0142017-08-15. Service bulletin. POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER. This technical bulletin provides a procedure on replacing the stator shaft support for vehicles with the condition of a delayed engagement after sitting with the engine off.
PIP5337H2017-08-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER. This Preliminary Information communication provides information to the technician on the step to diagnose and repair the vehicles that may have a shake or shudder during light throttle acceleration, between 30 and 65 miles per hour steady state driving. Also shudder feeling that may be described as driving over rumble strips or rough pavement. Technician will need to run the vehicle in three different operational modes. The three modes are Normal, torque converter clutch open, and torque converter clutch closed. Technician will need to press and hold the tow-haul mode button for five seconds to disable grade braking to prevent downshifts during test. Technician will need to duplicate the concern in Normal mode. If the concern is gone in torque converter clutch open and closed then the torque converter should be replaced. If the concern is not present in normal mode, torque converter clutch open, and torque converter clutch closed the concern is not with the shudder. Technician should use of the PICO scope and Noise, Vibration and Harshness software can be used to confirm torque converter clutch shudder, Engine, Tire or Driveline component related conditions. Flush the cooler lines and cooler using DT-45096 transmission oil cooling system flush and flow test tool when the torque converter is replace.
144102017-02-03. Service bulletin. LATCHES/LOCKS/LINKAGES:DOORS:LATCH; POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER. 14410 - SERVICE UPDATE. THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO REMOVE AND REINSTALL THE DOOR LATCH FASTENERS ON THE DRIVER'S SIDE FRONT AND REAR DOOR ON CERTAIN VEHICLES. THESE FASTENERS MAY HAVE BEEN INSTALLED BELOW PROPER TORQUE SPECIFICATIONS, AND OVER TIME, COULD ALLOW A REDUCTION IN CLAMP LOAD, RESULTING IN A POTENTIAL DOOR RATTLE.
15435A2017-01-31. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER. 15435A - SERVICE UPDATE (REVISED SERVICE PROCEDURE). THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO REPLACE THE TORQUE CONVERTER ON CERTAIN 2015 MODEL YEAR CHEVROLET SILVERADO HD, GMC SIERRA HD AND GMC SIERRA DENALI HD VEHICLES EQUIPPED WITH AN ALLISON 6-SPEED AUTOMATIC TRANSMISSION (RPO MW7). THESE VEHICLES MAY HAVE BEEN ASSEMBLED WITH AN INCORRECTLY MACHINED TORQUE CONVERTER. CUSTOMERS MAY EXPERIENCE NOISE, POOR PERFORMANCE AND, IF THIS CONDITION IS NOT CORRECTED, EVENTUAL TRANSMISSION FAILURE.
154352017-01-31. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER. 15435 - SERVICE UPDATE. THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO REPLACE THE TORQUE CONVERTER ON CERTAIN 2015 MODEL YEAR CHEVROLET SILVERADO HD, GMC SIERRA HD AND GMC SIERRA DENALI HD VEHICLES EQUIPPED WITH AN ALLISON 6-SPEED AUTOMATIC TRANSMISSION (RPO MW7). THESE VEHICLES MAY HAVE BEEN ASSEMBLED WITH AN INCORRECTLY MACHINED TORQUE CONVERTER. CUSTOMERS MAY EXPERIENCE NOISE, POOR PERFORMANCE AND, IF THIS CONDITION IS NOT CORRECTED, EVENTUAL TRANSMISSION FAILURE.
PIP5337D2016-09-21. Service bulletin. ENGINE; POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON THE STEP TO DIAGNOSE AND REPAIR THE VEHICLES THAT MAY HAVE A SHAKE OR SHUDDER DURING LIGHT THROTTLE ACCELERATION, BETWEEN 30 AND 65 MPH STEADY STATE DRIVING. ALSO SHUDDER FEELING THAT MAY BE DESCRIBED AS DRIVING OVER RUMBLE STRIPS OR ROUGH PAVEMENT. TECHNICIAN WILL DRIVE THE VEHICLE AND MONITOR THE TORQUE CONVERTER CLUTCH SLIP. THE TORQUE CONVERTER CLUTCH SLIP SPEED SHOULD BE 10 RPM OR LESS ALSO NOTE IF THE SHUDDER TAKES PLACE DURING TORQUE CONVERTER CLUTCH APPLY. IF THE TORQUE CONVERTER CLUTCH SLIP SPEED IS IN THE RANGE OF 10 RPM OR LESS THE CONDITION IS POSSIBLY RELATED TO ENGINE PERFORMANCE. IF THE SHUDDER IS ONLY PRESENT IN 4 CYLINDER MODE AND TORQUE CONVERTER CLUTCH SLIP IS 10 RPM OR LESS DEEM THE SHUDDER CONCERN NORMAL CHARACTERISTIC OF ACTIVE FUEL MANAGEMENT. IF THE SLIP SPEED IS BEYOND 10 RPM OR THERE IS SHUDDER DURING TORQUE CONVERTER CLUTCH APPLY THE TORQUE CONVERTER WILL NEED TO BE REPLACED.
SBU-15435-B2016-02-05. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER. CHEVROLET/GMC: ON CERTAIN TRUCKS/SUVS, SERVICE PROCEDURE HAS BEEN PROVIDED FOR REPLACING TORQUE CONVERTER THAT WAS MACHINED INCORRECTLY, CAUSING POOR PERFORMANCE AND NOISE. MODEL 2015 SIERRA HD, SIERRA DENALI HD, SILVERADO HD. *PE

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