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
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| PIT5377D | 2017-03-23. Service bulletin. SERVICE BRAKES. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON THE STEP NEEDED TO DIAGNOSE AND REPAIR VEHICLES THAT MAY HAVE UNEVEN BRAKE PAD WEAR. TECHNICIAN WILL NEED TO INSPECT AND MEASURE THE BRAKE PADS THICKNESS. ALSO DETERMINE THE CUSTOMER’S DRIVING STYLE. THE DISC BRAKE PADS SHOULD ONLY BE REPLACED IF THE FRICTION SURFACE IS WORN TO WITHIN 2.0 MM (0.079 IN) OF THE MOUNTING PLATES. THE ROTORS AND PADS SHOULD BE REPLACED WITH THE UPDATED PART NUMBER IF THE PADS ARE OUT OF SPECIFICATION, PERFORM NORMAL SERVICE INFORMATION DIAGNOSTICS TO DETERMINE THE CAUSE OF THE CONCERN. |
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| PIT5361A | 2017-03-23. Service bulletin. SERVICE BRAKES. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR VEHICLES THAT MAY HAVE ISSUES WERE THE CUSTOMER WILL NEED INCREASED EFFORT TO DEPRESS THE BRAKE PEDAL. TECHNICIAN MAY FIND FLUID IN THE BRAKE BOOSTER AND/OR THE BOOSTER VACUUM LINE. TECHNICIAN WILL NEED TO REPLACE VACUUM PUMP, BRAKE BOOSTER, MASTER CYLINDER, VACUUM PUMP BELT AND THE VACUUM LINE BETWEEN THE BOOSTER AND THE PUMP. |
| PIT4211D | 2017-03-22. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE AN OUTSIDE AIR TEMPERATURE INOPERATIVE. TO PERFORM AN INSTANT UPDATE OF THE AMBIENT TEMPERATURE SENSOR, PRESS AND HOLD THE RECIRC BUTTON AND AIR CONDITIONING BUTTON ON THE HEATER-VENT-AIR CONDITIONING CONTROL HEAD SIMULTANEOUSLY. IT IS ALSO POSSIBLE TO PERFORM THIS BY USING A SCAN TOOL IN SPECIAL FUNCTION MODE AND SELECT INSTANT UPDATE. |
| PIP5378 | 2017-03-22. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON HOW TO DIAGNOSE AND REPAIR VEHICLES THAT MAY HAVE A FLASHING PRNDL OR CHECK ENGINE LIGHT ON. ALSO THE TRANSMISSION IS STUCK IN ONE GEAR AND WILL NOT UPSHIFT. IF SERVICE INFORMATION DIAGNOSTICS FOR THE DIAGNOSTIC TROUBLE CODES SETTING DOES NOT LEAD TO A RESOLUTION, THE PRESSURE SWITCH MANIFOLD SHOULD BE REPLACED. |
| PIP5370 | 2017-03-21. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. 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. |
| PIP5261A | 2017-03-21. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE); EQUIPMENT. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN THAT SOME VEHICLES MAY HAVE A HIGH PITCHED WHINE NOISE FROM THE VEHICLE NOTICED WHEN DRIVING IN AUTO 4WD. WHEN THE TRANSFER CASE CONTROL MODULE HAS TO MOVE THE TRANSFER CASE ACTUATOR MOTOR THE HIGHER CURRENT PASSING THROUGH THE MODULE CAUSES AN "ELECTRONIC BUZZ OR WHINE" WITHIN SOME OF THE CAPACITORS IN THE MODULE THAT CAN BE HEARD BY SOME OF OUR CUSTOMERS. THIS CAN ONLY BE HEARD WITH ALL ACCESSORIES AND HVAC OFF AND ONLY WHEN ACTUATOR MOVEMENT IS REQUIRED. THIS DOES NOT INDICATE A CONCERN WITH THE MODULE AND SHOULD NOT BE REPLACED TO ADDRESS THIS CONCERN. |
| PIP5248B | 2017-03-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN:MANUAL 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. |
| PIP5245A | 2017-03-21. Service bulletin. EQUIPMENT; POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON HOW TO DIAGNOSE VEHICLES WITH VARIOUS NOISES ASSOCIATED WITH FOUR WHEEL DRIVE OPERATION. BEFORE BEGINNING ANY DIAGNOSIS IT IS IMPERATIVE TO REVIEW THE SYMPTOMS - TRANSFER CASE IN SERVICE INFORMATION AND PERFORM THE NECESSARY INSPECTIONS. IN ALL CASES THE COMPLAINT VEHICLE SHOULD BE COMPARED TO ANOTHER LIKE VEHICLE BEFORE BEGINNING ANY REPAIRS. |
| PIP5230C | 2017-03-21. Service bulletin. ENGINE. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN BEFORE REPLACING THE CRANKSHAFT TO REVIEW THE FOLLOWING. DEALER SHOULD COMPLETE THE SERVICE INFORMATION DIAGNOSTICS AND THE COST COMPARISON WORKSHEET FOR ASSEMBLY REPAIR VS REPLACEMENT. TECHNICIAN WILL USE THE LATEST VERSION OF 09-06-04-026G TO VERIFY THE ECM CALIBRATION IS NOT AN AFTERMARKET CALIBRATION. IF THE CUSTOMER PREFERS TO KEEP THE ORIGINAL NUMBERS MATCHING ENGINE PLEASE CALL TAC FOR REPAIR DIRECTION. |
| PIP5226A | 2017-03-21. Service bulletin. EQUIPMENT. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT FINDING NEEDLE BEARINGS DURING AN OIL CHANGE. TECHNICIAN WILL GAIN ACCESS TO THE ROLLER ROCKERS TO INSPECT THEM. ONLY REPLACE THE ROLLER ROCKER THAT IS MISSING NEEDLE BEARINGS. BE SURE TO CLEAN THE OIL DRAINS TO RETRIEVE THE NEEDLE BEARINGS. EACH ROLLER ROCKER HAS 66 BEARINGS. |
| PIP5224C | 2017-03-21. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; POWER TRAIN:AUTOMATIC TRANSMISSION. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THE ALLISON LCT1000 VALVE BODY PART NUMBER 24262535 HAS BEEN PLACED ON RESTRICTION THROUGH GENERAL MOTORS PRODUCT QUALITY CENTER. DEALER WILL NEED TO CALL GENERAL MOTORS PRODUCT QUALITY CENTER FOR FURTHER ASSISTANCE. |
| PIP5189A | 2017-03-20. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLE THAT MAY HAVE BLACK SMOKE ON A COLD START. A DUAL-PULSE INJECTION STRATEGY IS UTILIZED DURING ENGINE COLD START TO REDUCE THE TIME REQUIRED TO BRING THE CATALYTIC CONVERTER UP TO OPERATING TEMPERATURE. THIS SPLIT INJECTION STRATEGY LASTS FOR ABOUT 60 SECONDS ON COLD START. THIS PROCESS MAY CAUSE THE CUSTOMER TO SEE INCREASED BLACK SMOKE DURING COLD START AND SHOULD BE CONSIDERED NORMAL. |
| PIP5104B | 2017-03-20. Service bulletin. ENGINE. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE A COLD ENGINE TICK NOISE FOR 50 SECONDS AT START UP. TECHNICIAN DETERMINES IF THE TICK NOISE IS POSSIBLY COMING FROM THE EXHAUST MANIFOLD, AS THIS NOISE COULD EASILY BE MISTAKEN FOR AN ENGINE TICK NOISE. IF YOUR SI DIAGNOSIS DOES NOT ISOLATE THE CAUSE OF THIS CONCERN, THIS CONCERN SHOULD BE CONSIDERED A VEHICLE DESIGN CHARACTERISTIC OF THE ECM CALIBRATION AND NO ADDITIONAL REPAIRS SHOULD BE PERFORMED. |
| PIP4912D | 2017-03-20. Service bulletin. EQUIPMENT; 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. |
| PIC6170 | 2017-03-17. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN WITH THE STEPS NEED TO DIAGNOSE AND REPAIR VEHICLE THAT MAY HAVE A CONCERN WITH NAVIGATION ICON NOT SHOWING THE CORRECT LOCATION THEN JUMPING TO THE CORRECT LOCATION. THE POSITION INDICATOR MAY SHOW THE VEHICLE TURNING IN THE OPPOSITE DIRECTION OR MAY SHOW THE VEHICLE TRAVELING OFF THE ROAD. TECHNICIAN WILL INSPECT THE HUMAN MACHINE INTERFACE MOUNTING. FOLLOW SERVICE INFORMATION FOR THE CORRECT ORIENTATION OF THE HUMAN MACHINE INTERFACE. |
| 14-08-79-001 | 2017-03-16. Service bulletin. EQUIPMENT. THIS INFORMATIONAL BULLETIN PROVIDES A LIST OF PARTS/REPLACEMENT PARTS FOR THE TONNEAU COVERS. |
| PIT5367 | 2017-03-16. Service bulletin. ELECTRICAL SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE A BLANK DISPLAYS, FLASHING DISPLAYS, “ERROR OR UPDATE FAILED MESSAGES”, NAVIGATION MAP NOT LOADING, BLUETOOTH OR USB CONCERNS. TECHNICIAN SHOULD INSPECT THE USB/SD CARD PORT FOR A SD CARD OR A DEVICE PLUG INTO ANY OF THE USB PORTS. |
| PIT5365A | 2017-03-16. Service bulletin. EQUIPMENT. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON HOW THE RADIO DISPLAY GETS THE AIR AMBIENT TEMPERATURE. ON 1500 SERIES TRUCKS AND ALL SPORT UTILITY VEHICLE WITH REGULAR PRODUCTION OPTION CODE IO3 RADIO THE AMBIENT AIR TEMPERATURE SENSOR IS HARD WIRED TO THE ENGINE CONTROL MODULE AND THEN THE SIGNAL GOES ON HIGH SPEED LOCAL AREA NETWORK TO THE BODY CONTROL MODULE FROM THERE ON LOW SPEED LOCAL AREA NETWORK TO THE RADIO. ON 1500 SERIES TRUCKS AND ALL SPORT UTILITY VEHICLE WITH REGULAR PRODUCTION OPTION CODE IO4, IO5, OR IO6 THE AMBIENT AIR TEMPERATURE SENSOR IS HARD WIRED TO THE ENGINE CONTROL MODULE AND THEN THE SIGNAL GOES ON HIGH SPEED LOCAL AREA NETWORK TO THE BODY CONTROL MODULE FROM THERE ON LOW SPEED LOCAL AREA NETWORK TO THE RADIO THEN MOST 50 BUS TO THE HUMAN MACHINE INTERFACE. ON 2500/3500 SERIES TRUCKS PRODUCTION OPTION CODE IO3 RADIO THE AMBIENT AIR TEMPERATURE SENSOR IS HARD WIRED TO THE INSTRUMENT PANEL CLUSTER AND THEN THE SIGNAL GOES ON LOW SPEED LOCAL AREA NETWORK TO THE RADIO. ON 2500/3500 SERIES TRUCKS PRODUCTION OPTION CODE IO4, IO5, OR IO6 RADIO THE AMBIENT AIR TEMPERATURE SENSOR IS HARD WIRED TO THE INSTRUMENT PANEL CLUSTER AND THEN THE SIGNAL GOES ON LOW SPEED LOCAL AREA NETWORK TO THE RADIO THEN MOST 50 BUS TO THE HUMAN MACHINE INTERFACE. |
| PIT5365 | 2017-03-16. Service bulletin. EQUIPMENT. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON HOW THE RADIO DISPLAY GETS THE AIR AMBIENT TEMPERATURE. ON 1500 SERIES TRUCKS AND ALL SPORT UTILITY VEHICLE WITH REGULAR PRODUCTION OPTION CODE IO3 RADIO THE AMBIENT AIR TEMPERATURE SENSOR IS HARD WIRED TO THE ENGINE CONTROL MODULE AND THEN THE SIGNAL GOES ON HIGH SPEED LOCAL AREA NETWORK TO THE BODY CONTROL MODULE FROM THERE ON LOW SPEED LOCAL AREA NETWORK TO THE RADIO. ON 1500 SERIES TRUCKS AND ALL SPORT UTILITY VEHICLE WITH REGULAR PRODUCTION OPTION CODE IO4, IO5, OR IO6 THE AMBIENT AIR TEMPERATURE SENSOR IS HARD WIRED TO THE ENGINE CONTROL MODULE AND THEN THE SIGNAL GOES ON HIGH SPEED LOCAL AREA NETWORK TO THE BODY CONTROL MODULE FROM THERE ON LOW SPEED LOCAL AREA NETWORK TO THE RADIO THEN MOST 50 BUS TO THE HUMAN MACHINE INTERFACE. ON 2500/3500 SERIES TRUCKS PRODUCTION OPTION CODE IO3 RADIO THE AMBIENT AIR TEMPERATURE SENSOR IS HARD WIRED TO THE INSTRUMENT PANEL CLUSTER AND THEN THE SIGNAL GOES ON LOW SPEED LOCAL AREA NETWORK TO THE RADIO. ON 2500/3500 SERIES TRUCKS PRODUCTION OPTION CODE IO4, IO5, OR IO6 RADIO THE AMBIENT AIR TEMPERATURE SENSOR IS HARD WIRED TO THE INSTRUMENT PANEL CLUSTER AND THEN THE SIGNAL GOES ON LOW SPEED LOCAL AREA NETWORK TO THE RADIO THEN MOST 50 BUS TO THE HUMAN MACHINE INTERFACE. |
| PIT5312A | 2017-03-16. Service bulletin. STEERING:COLUMN. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON HOW TO DIAGNOSE AND REPAIR VEHICLES THAT MAY HAVE A GRIND, POP, SHUDDER OR BIND FEELING/NOISE IN THE STEERING COLUMN WHEN TURNING LEFT OR RIGHT. TECHNICIAN WILL INSPECT FOR THE LOWER COLUMN BEARING TO BE OUT OF POSITION AND THE UPPER INTERMEDIATE STEERING SHAFT TO LOWER COLUMN SHAFT BOLT AND NUT MAY BE CONTACTING THE INHIBITOR/SHIFTIER CABLE BRACKET. TECHNICIAN WILL REPLACE THE STEERING COLUMN FOR THIS CONCERN. |
| PIP5261 | 2017-03-16. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE); ELECTRICAL SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN THAT SOME VEHICLES MAY HAVE A HIGH PITCHED WHINE NOISE FROM THE VEHICLE NOTICED WHEN DRIVING IN AUTO 4WD. WHEN THE TRANSFER CASE CONTROL MODULE HAS TO MOVE THE TRANSFER CASE ACTUATOR MOTOR THE HIGHER CURRENT PASSING THROUGH THE MODULE CAUSES AN "ELECTRONIC BUZZ OR WHINE" WITHIN SOME OF THE CAPACITORS IN THE MODULE THAT CAN BE HEARD BY SOME OF OUR CUSTOMERS. THIS CAN ONLY BE HEARD WITH ALL ACCESSORIES AND HVAC OFF AND ONLY WHEN ACTUATOR MOVEMENT IS REQUIRED. THIS DOES NOT INDICATE A CONCERN WITH THE MODULE AND SHOULD NOT BE REPLACED TO ADDRESS THIS CONCERN. |
| PIP5259 | 2017-03-16. Service bulletin. ENGINE. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE A SERVICE ENGINE SOON WITH DIAGNOSTIC TROUBLE CODE P0300 AND AN ENGINE MISFIRE. TECHNICIAN WILL NEED TO INSPECT THE VALVE OPERATION, IF THE VALVE OR VALVES ARE NOT MOVING THE ACTIVE FUEL MANAGEMENT LIFTERS AND GUIDE ON THE BANK WITH THE CONCERN AND THE OIL PUMP AND OIL PAN ASSEMBLY SHOULD BE REPLACED. |
| PIP5230A | 2017-03-15. Service bulletin. EQUIPMENT. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN BEFORE REPLACING THE CRANKSHAFT TO REVIEW THE FOLLOWING. DEALER SHOULD COMPLETE THE SERVICE INFORMATION DIAGNOSTICS AND THE COST COMPARISON WORKSHEET FOR ASSEMBLY REPAIR VS REPLACEMENT. TECHNICIAN WILL USE THE LATEST VERSION OF 09-06-04-026G TO VERIFY THE ECM CALIBRATION IS NOT AN AFTERMARKET CALIBRATION. IF THE CUSTOMER PREFERS TO KEEP THE ORIGINAL NUMBERS MATCHING ENGINE PLEASE CALL TAC FOR REPAIR DIRECTION. |
| PIP5223B | 2017-03-15. Service bulletin. EQUIPMENT. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT THE E92 ECM RESTRICTION PART NUMBER 12662034 WILL BE PLACED ON RESTRICTION THROUGH THE GENERAL MOTORS PRODUCT QUALITY CENTER. DEALER WILL NEED TO CONTACT GENERAL MOTORS PRODUCT QUALITY CENTER FOR FURTHER ASSISTANCE. |
| PIP5213A | 2017-03-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THE LCT1000 6 SPEED ALLISON AUTOMATIC TRANSMISSION IS ON RESTRICTION THROUGH GENERAL MOTORS PRODUCT QUALITY CENTER. DEALER WILL NEED TO CALL GENERAL MOTORS PRODUCT QUALITY CENTER FOR FURTHER ASSISTANCE. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.