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Service bulletins for the 2011 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.

2203 on file from NHTSA, as of 2026-10-19.

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Bulletins, newest first
PIT5052F2016-09-27. Service bulletin. STEERING; ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC). THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT ADDING STEERING STABILIZER SHOCK. A STEERING STABILIZER IS LISTED IN THE PARTS CATALOG GROUP 6.865 (STEERING LINKAGE SHOCK ABSORBER) AND IS AVAILABLE, BUT IS NOT INTENDED TO ADDRESS VIBRATIONS OR BRAKE PULSATIONS.
PIT4614B2016-09-21. Service bulletin. ELECTRICAL SYSTEM; ENGINE. "THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES STEPS THE TECHNICIAN WILL TAKE TO REPAIR A NO CRANK/NO START CONCERN WITH A DIAGNOSTIC TROUBLE CODE OF B009F IN THE SERIAL DATA GATEWAY MODULE EQUIPPED WITH REGULAR PRODUCTION OPTION CODE HP2. THE VEHICLE MAY EXHIBIT A NO CRANK OR NO START, OR A SERVICE HYBRID MESSAGE WITH NO CODES. THE TECHNICIAN WILL INSPECT THE HIGH VOLTAGE CIRCUIT IMPACT DETECTION SENSOR FOR WATER INTRUSION OR CORROSION AT THE WEATHER PACK. INSPECT THE HIGH VOLTAGE CIRCUIT IMPACT DETECTION SENSOR FOR CRACKS OR TERMINAL CORROSION AND REPLACE THE SENSOR OR TERMINALS ALONG WITH THE WEATHER PACK SEALS IF DAMAGE IS FOUND. IF THERE IS NO DAMAGE FOUND THE TECHNICIAN WILL LEAVE THE SENSOR UNPLUGGED AND POWER UP THE VEHICLE TO INDUCE A CODE, THEN POWER DOWN THE VEHICLE WITH THE TECH 2 UNPLUGGED FROM THE VEHICLE FOR TWO MINUTES. CLEAR THE CODE AND RECHECK FOR THE MESSAGE AND CODES, IF THE CODE RESETS THE TECHNICIAN WILL REPLACE THE HIGH VOLTAGE CIRCUIT IMPACT DETECTION SENSOR AND TERMINALS WITH TERMINATED LEADS. TECHNICIAN IS TO REPEAT THE ABOVE STEPS TO VERIFY THE CONCERN IS CORRECTED. "
PIT-3665-D2016-08-24. Service bulletin. SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES. 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.
PIT-4383-P2016-08-24. Service bulletin. EQUIPMENT; SERVICE BRAKES, ELECTRIC. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT THE ELECTRONIC BRAKE CONTROL MODULE AND BRAKE PRESSURE MODULATOR VALVE FOR THE 2-MODE HYBRID UTILITIES AND TRUCKS ARE BEING PLACED ON PARTS ORDERING RESTRICTION THROUGH THE GM TECHNICAL ASSISTANCE CENTER (TAC).
CSP-158012016-08-18. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. 15801 – CUSTOMER SATISFACTION PROGRAM. VEHICLES EQUIPPED WITH THE DURAMAX DIESEL ENGINE OPTION AND THE AMBULANCE UPFITTER OR FIRE TRUCK UPFITTER OPTION MAY HAVE A CONDITION IN WHICH THE EMISSION CONTROL SYSTEM AS DESIGNED WILL LIMIT SPEED UNDER CERTAIN CONDITIONS. THE EPA HAS APPROVED GENERAL MOTOR’S REQUEST TO REMOVE THE EMISSION CONTROL SYSTEM SPEED LIMITATIONS ON THESE EMERGENCY VEHICLES WHERE APPLICABLE. DEALERS ARE TO REPROGRAM THE ENGINE CONTROL MODULE (ECM) WITH NEW CALIBRATION FOR EMERGENCY VEHICLES, WHICH WILL REMOVE THE EMISSION CONTROL SYSTEM SPEED LIMITATIONS, AND ALSO PROVIDE AN EARLIER WARNING FOR DIESEL PARTICULATE FILTER (DPF) REGENERATION.
PIC-5374-D2016-08-17. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR THE CONCERN OF RECEIVING FREQUENT "OFF ROUTE" MESSAGES WHILE FOLLOWING TURN BY TURN (TBT) ROUTE NAVIGATION. THE TECHNICIAN IS PROVIDED INSTRUCTIONS FOR RESETTING THE VEHICLE COMMUNICATION INTERFACE MODULE FOR THIS CONCERN.
PIT-55062016-08-17. Service bulletin. TIRES. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THIS VIBRATION OR GROWL NOISE CAN BE DIFFICULT TO DIAGNOSE AND USING THE PICO SCOPE IS RECOMMENDED FOR DIAGNOSING THIS CONCERN. THE VEHICLE MAY HAVE A VIBRATION OR GROWL NOISE BETWEEN 45-65 MILES-PER-HOUR.
PIT-5161-D2016-08-17. Service bulletin. FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE THE CONCERN. CUSTOMER HEARS A CLUNK WHEN STOPPING OR LAUNCHING.
PIC-4935-E2016-08-17. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO HELP THE DEALERSHIP TECHNICIANS PERFORM A PARASITIC DRAIN TEST FOR THE ONSTAR MODULE. WHEN PERFORMING BATTERY PARASITIC DRAIN TEST, THERE MAY BE SOME CONFUSION AS TO WHAT THE NORMAL POWER CONSUMPTION READING SHOULD BE FROM THE ONSTAR SYSTEM.
PIC-5050-A2016-08-17. Service bulletin. ELECTRICAL SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THE STEPS ON REPAIRING THE CONCERN. A CUSTOMER MAY IDENTIFY A CONCERN OF UNABLE TO REACTIVATE A VEHICLE'S ONSTAR THAT HAS BEEN PREVIOUSLY DISABLED BY ONSTAR. DEALER IS TO CALL GENERAL MOTORS TECHNICAL ASSISTANCE CENTER FOR FURTHER ASSISTANCE IF THE CONCERN IS STILL PRESENT.
PIT-4539-T2016-08-11. Service bulletin. ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION ON THE DRIVE MOTOR GENERATOR CONTROL MODULE PART RESTRICTION. DEALER WILL NEED TO CALL GM TECHNICAL ASSISTANCE CENTER FOR FURTHER INSTRUCTIONS.
PIC-5260-A2016-08-11. Service bulletin. STRUCTURE:BODY; ELECTRICAL SYSTEM; VISIBILITY:SUN/MOON ROOF ASSEMBLY. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THE STEPS ON DIAGNOSING THE CONCERN. VEHICLE'S SUNROOF OPERATION INTERMITTENT, BIND, NOISE, AUTO-REVERSE, AND/OR WATER LEAKS.
SB-02-07-30-029Z2016-08-10. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. THIS INFORMATIONAL BULLETIN PROVIDE INFORMATION ON THE PRODUCT QUALITY CENTER (PQC) ASSEMBLY REPLACEMENT PROCESS.
SB-16NA-1312016-08-10. Service bulletin. FUEL SYSTEM, DIESEL; FUEL SYSTEM, OTHER; FUEL SYSTEM, GASOLINE. THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION ON VEHICLES DESIGNED TO OPERATE ON GASEOUS FUELS.
SB-16-NA-1302016-08-10. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; EQUIPMENT. THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION ON HOW TO INSPECT THE UPPER VALVE BODY TO DETERMINE THE CORRECT RPO USAGE TO CORRECT A CONCERN THAT AFTER INSTALLATION OF A REPLACEMENT UPPER VALVE BODY, THE TRANSMISSION MAY HAVE NO REVERSE AND NO 2ND GEAR DUE TO THE INSTALLATION OF THE INCORRECT UPPER VALVE BODY.
SB-10-08-46-001C2016-08-09. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. "THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO CONTACT ONSTAR FOR HARD MUTE REQUEST TO CORRECT A CUSTOMER CONCERN WHEN THE RADIO IS ON, IT DOES NOT MUTE ENOUGH WHEN THE ONSTAR® TURN-BY-TURN NAVIGATION DIRECTIONS ARE ANNOUNCED DUE TO CUSTOMER IMPROPERLY SETTING THE RADIO VOLUME HIGH ENOUGH WHEN THE TURN-BY-TURN NAVIGATION MESSAGES ARE PLAYED. "
SB-15-06-03-001B2016-08-09. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION THAT MAY BE USEFUL ON DIAGNOSING BATTERIES THAT HAVE SET FOR A LONG PERIOD OF TIME AND/OR SET IN COLD WEATHER CLIMATES AND TESTING THOSE BATTERIES.
SB-03-06-03-004Q2016-08-09. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. THIS WARRANTY ADMINISTRATION BULLETIN PROVIDE POLICY INFORMATION ON USING THE EL-50313 MIDTRONICS GR8 BATTERY TESTER/CHARGER FOR DIAGNOSING BATTERY REPLACEMENTS AND MAINTAINING BATTERIES ON NEW VEHICLES IN DEALER INVENTORY.
SB-06-08-47-001L2016-08-09. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. THIS INFORMATIONAL BULLETIN PROVIDES WARRANTY INFORMATION ON USING THE SERVICE PROGRAMMING SYSTEM (SPS) FOR PROGRAMMING CONTROL MODULES
SB-07-06-01-016C2016-08-09. Service bulletin. ENGINE. THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION INTERNAL ENGINE NOISE OR DAMAGE AFTER OIL FILTER REPLACEMENT
SB-16-NA-1192016-08-09. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. THIS WARRANTY ADMINISTRATION BULLETIN PROVIDES INFORMATION ON GM’S POLICY ON PERFORMING GM COVERED VEHICLE SERVICES AND MAINTENANCE ON VEHICLES ORIGINATING/SOLD IN CANADA.
SB-16-NA-1172016-08-08. Service bulletin. EQUIPMENT. THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION ON THE PURPOSE OF MAGNETIC DRAIN PLUGS.
SB-09-03-09-001D2016-08-08. Service bulletin. SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY; SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY:U-BOLT, LEAF SPRING TO AXLE. THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO RE-TORQUE THE JOINTS OF THE REAR LEAF SPRING ASSEMBLY TO CORRECT A CUSTOMER CONCERN OF A CLUNKING NOISE COMING FROM THE REAR OF THE VEHICLE.
PI-0754-B2016-08-08. Service bulletin. VISIBILITY:GLASS, SIDE/REAR. THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION ON A NORMAL CONDITION ON TEMPERED GLASS OF SPOTS SHOWING ON THE REAR AND SIDE WINDOWS WHEN THE VEHICLE IS IN THE SUNLIGHT.
PI-0281-E2016-08-06. Service bulletin. EQUIPMENT; STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS. THIS PRELIMINARY INFORMATIONAL BULLETIN PROVIDES INFORMATION THAT MAY BE HELPFUL WHEN ADDRESSING UNDERBODY COMPONENT CORROSION WITH CUSTOMERS.

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