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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.

By type

By component

By trouble code

By topic

Bulletins, newest first
PIC6095C2018-08-20. Service bulletin. EQUIPMENT; EQUIPMENT:ELECTRICAL; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This Preliminary Information communication provides information to the technician on how to tell the difference between the integrated center stack, the radio, the human machine interface, and the vehicle communication interface module. There are pictures of all the individual modules for identification purposes.
PIP3366C2018-08-20. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE); POWER TRAIN:AUTOMATIC TRANSMISSION. This Preliminary information communicates to the dealer technician thatLight Duty Trucks equipped with automatic transmissions and 4 wheel drive may exhibit a condition of grinding/ratcheting type noise when shifting the automatic transmission into park while the transfer case is in 4 wheel drive low (4LO) range. Dealers technician's are advised this condition should be deemed a normal characteristic of 4WD low operation.
PIT5535C2018-08-20. Service bulletin. LANE DEPARTURE: LANE KEEP: STEERING ASSIST; LANE DEPARTURE: WARNING; LANE DEPARTURE: SENSING SYSTEM: CAMERA. This Preliminary Information communication provides information to the technician about vehicles thatmay have Service Front Camera, Service Lane Departure Warning, and Service Lane Keep Assist Message. Technician may find Diagnostic Trouble Code B1008 Sym 4B set. Technician will need to check the windshield to ensure it is not aftermarket. Technician will also check for anything that may impair the front view camera and ensure the camera is properly mounted.
PIC5260B2018-08-20. 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.
181282018-08-20. Service bulletin. SEAT BELTS. 18128 - Special Coverage. In certain vehicles, if a driver repeatedly sits on the seat belt cable cover located at the base of the driver?s seat when entering the vehicle, it may cause the seat belt pretensioner to bend sharply over the seat side shield. If this continues to occur over an extended period of time, which is very rare, the seat belt pretensioner cable may fatigue and eventually separate, which could reduce the effectiveness of the vehicle?s seat belts. Before any damage occurs to the pretensioner cable itself, signs of wear will be visible on the pretensioner cable cover where it has been repeatedly bent over the seat side shield. Dealers are to replace the pretensioner and side shield for all customers that experience a broken pretensioner cable or come to a dealership with excessive wear on the cable sleeve. The repairs will be made at no charge to the customer.
181272018-08-20. Service bulletin. SEAT BELTS. 18127 - Special Coverage. In certain vehicles, if a driver repeatedly sits on the seat belt cable cover located at the base of the driver?s seat when entering the vehicle, it may cause the seat belt pretensioner to bend sharply over the seat side shield. If this continues to occur over an extended period of time, which is very rare, the seat belt pretensioner cable may fatigue and eventually separate, which could reduce the effectiveness of the vehicle?s seat belts. Before any damage occurs to the pretensioner cable itself, signs of wear will be visible on the pretensioner cable cover where it has been repeatedly bent over the seat side shield. Dealers are to replace the pretensioner and side shield for all customers that experience a broken pretensioner cable or come to a dealership with excessive wear on the cable sleeve. The repairs will be made at no charge to the customer.
170672018-08-20. Service bulletin. FUEL SYSTEM, DIESEL; FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. 17067 - Product Emissions Recall. General Motors has decided to conduct a Voluntary Emission Recall on certain vehicles equipped with a 6.6L diesel (LML) engine and dual fuel tanks (N2N). Under certain driving conditions, fuel may not be transferred from the rear fuel tank to the front fuel tank at a sufficient rate. If this occurs, the diagnostic trouble code (DTC) P2636 will set, the malfunction indicator lamp will illuminate, the fuel gauge will display empty, and the transfer pump will be disabled until serviced. If the vehicle continues to be driven, it will run out of fuel in the front tank and stall. Dealers are to replace fuel line connections to allow the rear tank, in addition to the front tank, to directly supply fuel to the engine. The engine control module (ECM) will also be reprogrammed with calibrations necessary to support this new connection.
PIP5121C2018-08-06. Service bulletin. EQUIPMENT; ENGINE; EQUIPMENT ADAPTIVE/MOBILITY. This Preliminary Information communication provides information to the technician about vehicles that have the oil pressure gauge jumps from approximately 40 lb. to 60 lb. The 4.3L (LV3), 5.3L (L83), 6.2L (L86) engines are equipped with a two stage oil pump. Dealer should advise the customer this is normal operation for these engines.
PIT5232E2018-08-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This Preliminary Information communication provides information to the technician the steps to diagnose and repair the concern of the display is showing 32° F (0° C) after a battery or reprogramming a module. The outside temperature will begin to update if driven above 20 mph for at least 5 minutes. If the vehicle speed drops below 20 mph, the timer will reset and the display will stop updating. Once the display starts to update it may take several more minutes of driving above 20 mph for the display to fully update. Also if the vehicle is shut off for more than 8 hours the display will update when the ignition is turned on.
PIT5099C2018-08-06. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
PIP5370C2018-08-06. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; FUEL SYSTEM, DIESEL. This Preliminary Information communication provides information to the technician that some vehicle may have an “Exhaust Fluid Quality Poor” on the Driver Information Center or a diesel exhaust fluid warning lamp on or other exhaust fluid quality related concerns. Technician will inspect the diesel exhaust fluid for contamination. Technician should use Service Information for Contaminants in Diesel Exhaust Fluid Diagnosis and use special tool J26568 or EN50422 Diesel Exhaust Fluid Refractometer for fluid testing.
PIP5151E2018-08-06. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING. This Preliminary Information communication provides information to the technician about vehicles that may have a hard start, no start, rough running, or low fuel pressure. Technician may find Diagnostic Trouble Codes P0087, P0088, P0191 and P128E during the inspection. If during the inspection of the fuel system contamination is found the complete fuel system will need to be cleaned and flushed. After the fuel system is cleaned out test the fuel using the latest version of PIT3173.
PIC5953D2018-08-06. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT ADAPTIVE/MOBILITY. This Preliminary Information communication provides information to the technician about vehicles that may have an issue when using Bluetooth voice recognition with an iPhone. Technician should work with the customer to insure the phone contacts to not have any Emojis loaded to any contact.
PIP5335B2018-08-06. Service bulletin. ELECTRICAL SYSTEM:WIRING. 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.
PIP5498K2018-08-06. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicates. A vehicle may have a concern ofDTCP050D setting along with a P0300 after a cold start up. White smoke and/or coolant odor may come from exhaust for an extended period of time at cold start as well. Cause Coolant getting into the cylinders, and provides direction for the repair.
PIT5565A2018-08-06. Service bulletin. STEERING. This Preliminary information communicates a repair procedure for a squeak/squawk type noise coming from the lower column/drivers foot well area when turning. It explains how to properly lubricate the column shaft boot where the shaft interacts with the boot where it passes through the boot.
PIT5457C2018-08-06. Service bulletin. AIR BAGS; POWER TRAIN; STEERING; SUSPENSION; EQUIPMENT:ELECTRICAL; TRACTION CONTROL SYSTEM. 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.
PIT5533B2018-08-06. Service bulletin. SUSPENSION; STRUCTURE. This Preliminary Information communication provides information to the technician about vehicles that have a creak, click, pop, and or crack type noise from the front suspension or front frame area while making tight turns. Technician will need to loosen and then re-torque the four front frame cross member nuts and bolts.
PIP5498J2018-08-06. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicates. A vehicle may have a concern of DTCP050D setting along with a P0300 after a cold start up. White smoke and/or coolant odor may come from exhaust for an extended period of time at cold start as well. Cause Coolant getting into the cylinders, and provides direction for the repair.
170672018-08-06. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; ELECTRICAL SYSTEM:SOFTWARE; FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY; FUEL SYSTEM, DIESEL. 17067 - Product Emissions Recall. General Motors has decided to conduct a Voluntary Emission Recall on certain vehicles equipped with a 6.6L diesel (LML) engine and dual fuel tanks (N2N). Under certain driving conditions, fuel may not be transferred from the rear fuel tank to the front fuel tank at a sufficient rate. If this occurs, the diagnostic trouble code (DTC) P2636 will set, the malfunction indicator lamp will illuminate, the fuel gauge will display empty, and the transfer pump will be disabled until serviced. If the vehicle continues to be driven, it will run out of fuel in the front tank and stall. Dealers are to replace fuel line connections to allow the rear tank, in addition to the front tank, to directly supply fuel to the engine. The engine control module (ECM) will also be reprogrammed with calibrations necessary to support this new connection.
06-03-09-004F2018-06-25. Service bulletin. SUSPENSION. This technical bulletin provides a procedure to add a lubricant to the rear leaf springs to correct the customers concern of a squeaking noise from the rear suspension.
PI13232018-06-25. Service bulletin. ELECTRICAL SYSTEM. This prelimenary bulletin provides a procedure to replace the accessory a/c and d/c power control module to correct the customers concern of the the power outlet intermittently works.
PI0564E2018-06-25. Service bulletin. STRUCTURE. This preliminary bulletin provides information and a procedure for repairing rusted frames caused by the wax coating peeling off.
10-08-110-001B2018-06-25. Service bulletin. EQUIPMENT. This informational bulletin provides information on how to use floor mats.
11-08-49-001L2018-06-25. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This technical bulletin provides a procedure on how to turn the transport mode message of and reset the battery light flashing.

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