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Service bulletins for the 2016 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.

2266 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
PI1250B2018-05-21. Service bulletin. EQUIPMENT; ENGINE. This preliminary informational bulletin provides information on the introduction of the Advanced Diagnostics - Proactive Alerts available on many models.
02-07-30-029V2018-05-21. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING; EQUIPMENT. This informational bulletin provides information to the technician on what parts of an engine or transmission will require the PQC to be notified.
393702018-05-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 39370 ? Service Update Bulletin. On vehicles equipped with an 8-speed automatic transmission, the C-1-3-5-6-7 piston assembly internal to the transmission may be out of specification resulting in potential shift quality and long term durability issues. Dealers are to replace the transmission.
291102018-05-21. Service bulletin. TIRES; TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. 29110 ? Customer Satisfaction Program. Vehicles equipped with the full size spare tire and road wheel option may have been built without a tire pressure monitoring (TPM) sensor installed in the spare tire. If the spare tire was to be used and the TPM system is programmed to coordinate with the wheels in use, a tire pressure monitor system error would be displayed due to the lack of a sensor in the spare tire. Dealers are to install a TPM sensor in the spare tire.
417102018-05-21. Service bulletin. EQUIPMENT:MECHANICAL; POWER TRAIN:AUTOMATIC TRANSMISSION. 41710 - Service Update Bulletin. These vehicles may have loose transmission to engine fasteners. Improper alignment of the engine and transmission could potentially result in flex plate breakage. The customer may experience vibration and/or noise. Dealers are to to align the transmission to the engine.
169992018-05-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; EQUIPMENT:MECHANICAL. 16999 - Customer Satisfaction Program (Stop Delivery Order). The bolts connecting the transmission to the engine may not be tightened to specification on these vehicles (subsequently converted to Service Update Bulletin 41710).
PIP4912F2018-05-21. Service bulletin. ENGINE. This Preliminary Information communication provides information to the technician on vehicles that may have an intermittent high idle. If a technician has duplicated, or the customer description aligns with the speeds mentioned in the idle speed description tables, the idle speed should be considered a normal characteristic of current vehicle design.
PIC6296A2018-05-21. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT. This Preliminary Information communication provides information to the technician that when scanning a vehicle for Diagnostic Trouble Codes, may find a temporary loss of Human Machine Interface communication with Global Diagnostic System 2. Technician should not replace the Human Machine Interface for this concern, power cycling of the Human Machine Interface fuse should restore communication. Technician should be advised that the Human Machine Interface and Global Diagnostic System 2 interaction concern has been reported to engineering for root cause and correction.
PIT5301B2018-05-21. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT. This Preliminary Information communication advises the technician that Diagnostic Trouble Code B127E in the Human Machine Interface with Regular Production Option Code U42 or UWG will be current when playing a DVD or Blu-Ray on the Integrated Center Stack display. When the disc is ejected the Diagnostic Trouble Code will be history. If the Diagnostic Trouble Code B127E remains current after ejecting the disc follow Service Information diagnostic procedure instructions for B127E with Regular Production Option Code U42 or UWG.
PIP5335A2018-05-21. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. 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.
PIP5163C2018-05-21. Service bulletin. ENGINE. This Preliminary Information communication provides information to the technician about engine block of possible cylinder bore damage, scoring or out of round as the possible cause of engine oil consumption, misfire, cylinder leakage or blow by. Technician will need to inspect the engine for Cylinder damage or scoring, An out of round cylinder bore, Dirt intrusion, and Catalytic Converter failure.
PIP5427A2018-05-21. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES. This Preliminary Information communication provides information to the technician about vehicle that may have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P2635, U0074 and or U18A2. Technician will need to follow published diagnostics for Diagnostic Trouble Codes U0074 would take priority over U18A2 if both set before addressing DTC P2635.
PIP5248D2018-05-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. This Preliminary Information communication provides information to the technician on the steps need to diagnose and repair vehicles that may have stalling shudder and/or hard shifting into 1st gear or reverse vibration on launch (with excessive crankshaft end play). Technician will test to determine if the crank shaft end play is within specification 0.0015–0.0086 inch. If end play is found to be out of specification, remove engine and inspect for possible crankshaft thrust bearing and/or crankshaft for wear. Inspect thrust bearing for wear on one side and crankshaft on that “mating” surface. If the thrust bearing has three vertical channels worn off replace connecting rod bearings, main bearings, thrust bearing and crankshaft. If working on a Corvette the oil tank with lines and oil cooler are both required to be replaced if equipped.
PIC5932B2018-05-21. Service bulletin. EQUIPMENT:ELECTRICAL. This Preliminary Information communication provides information to the technician about customers that may complain of various concerns when using Bluetooth components. Technician should use the Preliminary Information to gather information from the customer on their Bluetooth device and the concern they are having before calling General Motors Technical Assistance Center.
PIP5498B2018-05-21. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicatesA vehicle may have a concern ofDTCP050D settingalongwith 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. CauseCoolant getting into the cylinders, and provides direction for the repair.
PIP5212A2018-05-21. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT:MECHANICAL. This Preliminary Information communication provides information to the technician about vehicles that have run hot and or has a tick noise. Technician should inspect the head gaskets to ensure are not installed backwards. Technician should replace the head gasket if they are found installed backwards.
PIP5151C2018-05-21. Service bulletin. ENGINE; FUEL SYSTEM, GASOLINE. 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.
PIC62962018-05-21. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician that when scanning a vehicle for Diagnostic Trouble Codes, may find a temporary loss of Human Machine Interface communication with Global Diagnostic System 2. Technician should not replace the Human Machine Interface for this concern, power cycling of the Human Machine Interface fuse should restore communication. Technician should be advised that the Human Machine Interface and Global Diagnostic System 2 interaction concern has been reported to engineering for root cause and correction.
PIE0376A2018-05-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. This engineer informational bulletin ends the need for information from the field on vehicles that have the condition of Check Engine Light Illuminated and DTC P0751 Set on Vehicles Under 5,000 Miles.
PI1410B2018-05-21. Service bulletin. PARKING BRAKE. This preliminary informational bulletin provides information regarding the normal characteristic of instrument panel red brake light intermittently comes on.
PI0020E2018-05-21. Service bulletin. EQUIPMENT. This preliminary informational bulletin provides technicians with information on the normal condition of white, milky or cloudy appearance of front differential fluid.
17-NA-1702018-05-21. Service bulletin. EQUIPMENT. This informational bulletin explains the Road Force balancers and what they can do for customer concerns.
17-NA-1632018-05-21. Service bulletin. EQUIPMENT:MECHANICAL. This informational bulletin provides information for dealers/technicians on the availability of a new spring replacement tonneau latch to replace an original quarter turn latch that has broken.
17-NA-1612018-05-21. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE). This technical bulletin provides a procedure for exhaust gas recirculation valve pipe replacement (EGR Bypass Pipe) due to the EGR cooler bypass pipe being crack.
17-NA-1572018-05-21. Service bulletin. EQUIPMENT; ENGINE. This informational bulletin explains the difference in oil filters and the possibilities of what may happen using the incorrect filter.

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