Service bulletins for the 2014 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.
3324 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
| PIT5412A | 2017-08-15. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. This Preliminary Information communication provides information to the technician of the snow plow headlamps inoperative after switching from the factory headlamps to the snowplow headlamps. There may be a diagnostic trouble code B2575 and or a B2699 set in the body control module. Technician is to refer to the latest version of the General Motors up-fitter integration bulletin 116 for additional information these circuits. |
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| 03-03-10-007J | 2017-07-19. Service bulletin. TIRES. This informational bulletin provides information on the temporary tire flat spotting condition. |
| 06-03-09-004H | 2017-07-18. Service bulletin. SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY. This technical bulletin provides a procedure to lube the rear leaf springs on vehicles with the condition of a squeak noise originating from the rear of the vehicle. |
| 16-NA-222 | 2017-05-25. Service bulletin. ENGINE. THIS INFORMATIONAL BULLETIN PROVIDES THE TECHNICIAN WITH WHAT MAY HAPPEN TO AN ENGINE DUE TO LACK OF MAINTENANCE. |
| PIT5241D | 2017-05-23. Service bulletin. ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT CUSTOMERS THAT MAY REQUEST THE FACTORY INTEGRATED TRAILER BRAKE CONTROLLER REGULAR PRODUCTION OPTION CODE (JL1) BE INSTALLED ON THEIR FULL-SIZE PICKUP OR SUV WHEN THE VEHICLE WAS NOT ORDERED WITH THE OPTION. DEALER SHOULD ADVISE THE CUSTOMER IT CANNOT BE ADDED TO THE VEHICLE. |
| PIT5206E | 2017-05-22. Service bulletin. SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES; PARKING BRAKE; ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL; POWER TRAIN:AUTOMATIC TRANSMISSION; ENGINE. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN WITH THE STEPS ON DIAGNOSING AND REPAIRING VEHICLES THAT MAY HAVE UNWANTED GRADE BRAKING, REDUCED ENGINE POWER WITH NO DRIVER INFORMATION CENTER MESSAGES “ BRAKE PEDAL OVERRIDE FEATURE “, TRANSMISSION BUSY OR FREQUENT SHIFTING UP OR DOWN, AND DIAGNOSTIC TROUBLE CODES P057B, P057C, AND/OR P057D MAY OR MAY NOT BE SET. TECHNICIAN WILL USE THIS PRELIMINARY INFORMATION TO FIND THE BRAKE PEDAL POSITION DATA PARAMETERS IN THE SCAN TOOL, AND ALSO TO PROVIDE SOME ADDITIONAL DIAGNOSTIC HELP. THESE ISSUES MAY BE CAUSED BY AN INCORRECT BRAKE PEDAL POSITION SENSOR INPUT TO THE ENGINE CONTROL MODULE. TECHNICIAN WILL VERIFY WITH THE SCAN TOOL IF THE ENGINE CONTROL MODULE HAS THE CORRECT PARAMETERS FOR THE BRAKE PEDAL POSITION SENSOR. IF AN ENGINE CONTROL MODULE BRAKE PEDAL POSITION SENSOR RELEARN IS PERFORMED, THE TRUCK MAY BE TEMPORARILY REPAIRED UNTIL THE INTERMITTENT WIRING ISSUE BETWEEN THE ENGINE CONTROL MODULE AND BRAKE PEDAL POSITION SENSOR OCCURS AGAIN. ON 2014 AND NEWER TRUCKS INSPECT AND REPAIR ANY DAMAGE TO X115 AND X119. ON THE 2014 AND PREVIOUS TRUCKS INSPECT AND REPAIR ANY DAMAGE TO X205. |
| PIT4745C | 2017-05-22. Service bulletin. STRUCTURE:BODY; EQUIPMENT. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT HAVE RAISED DENTS OR RIPPLE APPEARANCE IN THE SIDE OUTER PANEL OF THE CARGO BOX AROUND THE PERIMETER OF THE WHEEL HOUSE OPENING. TECHNICIAN SHOULD FIRST ACCESS THE REAR OF THE INNER WHEELHOUSE AREA THROUGH THE TAIL LAMP CAVITY AND THE FRONT OF THE WHEELHOUSE FROM UNDER THE VEHICLE, AND COAT THE INNER HEM OF THE WHEEL HOUSE TO SIDE OUTER PANEL WITH 3M RUST FIGHTER I. AFTER ALLOWING THE 3M RUST FIGHTER I TO DRY THEN APPLY SEVERAL COATS OF NOX RUST X-121B UNDERCOATING PART NUMBER 12346501. |
| PIP5427 | 2017-05-22. Service bulletin. ENGINE; ELECTRICAL SYSTEM. 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. |
| PIP5423 | 2017-05-19. Service bulletin. ENGINE. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE A SERVICE ENGINE SOON MALFUNCTION INDICATOR LAMP ON. TECHNICIAN MAY FIND DIAGNOSTIC TROUBLE CODES P0106 AND P0506. TECHNICIAN WILL INSPECT FOR A BROKEN VALVE SPRING AND REPLACE AS NEEDED. |
| PIP5382E | 2017-05-19. Service bulletin. ENGINE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 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 YOU CONTACTING GENERAL MOTORS PRODUCT QUALITY CENTER. |
| PIP5228C | 2017-05-17. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT HAVE A VIBRATION THAT IS FELT BETWEEN 1200 – 1400 ENGINE REVOLUTIONS PER MINUTE WHEN IN ACTIVE FUEL MANAGEMENT V4 MODE. TECHNICIAN WILL NEED TO USE CH 51450-NVH PICO OSCILLOSCOPE DIAGNOSTIC KIT TO MEASURE THE FREQUENCY OF THE VIBRATION. TECHNICIAN WILL NEED TO INSTALL AN EXHAUST DAMPER AND EVALUATE THE VEHICLE. IF THE VIBRATION IS NOT REDUCED, THE THREE-WAY CATALYTIC CONVERTER AND CAB MOUNT SETTLING PROCEDURES WILL NEED TO BE COMPLETED. THIS CONSISTS OF LOOSENING THE EXHAUST CLAMPS AND BODY MOUNTS, SETTLING THE COMPONENTS AND TORQUEING THEM BACK TO SPECIFICATION. |
| PIP5159B | 2017-05-17. Service bulletin. ENGINE. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE A SERVICE ENGINE SOON MALFUNCTION INDICATOR LAMP ON AND DIAGNOSTIC TROUBLE CODE P0300 - P0308 MAY SET. TECHNICIAN WILL INSPECT FOR LOSE SPARKPLUG WIRE. IF A SPARK PLUG WIRE IS FOUND LOSE CHECK FOR A MISSING “C” CLIP ON THE WIRE END FOR THE IGNITION COIL. IF THE CLIP IS MISSING REPLACE THE WIRE. |
| PIP5088D | 2017-05-17. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL; ENGINE. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT THE 6.6L DURAMAX, REGULAR PRODUCTION OPTION CODE LML/LGH, ENGINE PART NUMBER 12638505 PARTS RESTRICTION HAS ENDED. DEALER CAN ORDER PARTS THROUGH THE REGULAR CUSTOMER CARE AND AFTERSALES PARTS PROCESS. |
| PIP5029G | 2017-05-16. Service bulletin. ENGINE. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT HAVE A MALFUNCTION INDICATOR LAMP ON OR ENGINE MISFIRE, ROUGH IDLE, EXTENDED CRANK, OR CRANK NO START IN SOME CASES. TECHNICIAN WILL NEED TO PERFORM PUBLISHED SERVICE INFORMATION DIAGNOSTICS. IF TECHNICIAN FINDS CARBON, AN UPPER ENGINE AND VALVE CLEANING SHOULD BE PERFORMED. |
| PIC6193B | 2017-05-05. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT THE RADIO WILL NOT SAVE XM FAVORITES. TECHNICIAN WILL NEED TO REPLACE THE RADIO TO ADDRESS THE CONCERN. |
| 16-NA-111 | 2017-04-11. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO INSPECT THE AIR BOX AND AIR FILTER SEAL AND REPLACE IF NECESSARY TO CORRECT A CUSTOMER CONCERN THAT THE MALFUNCTION INDICATOR LIGHT (MIL) IS ILLUMINATED DUE TO EXCESSIVE SAND AND/OR DEBRIS ENTERING THE AIR FILTER BOX AND BYPASSING THE SEAL OF THE AIR FILTER CAUSING DAMAGE TO THE HO2 SENSOR AND THE CATALYTIC CONVERTER TO BECOME BLOCKED WITH SAND AND DEBRIS PARTICLES. |
| PIT5387C | 2017-03-23. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; EQUIPMENT:ELECTRICAL. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN THAT SOME VEHICLES MAY HAVE INSTRUMENT PANEL CLUSTER, RADIO, AND HEATER-VENT-AIR CONDITIONING DISPLAYS BLANKING OUT. ALSO BLUETOOTH DEVICES MAY DROP CONNECTION OR THE RADIO VOLUME CHANGES WHEN OPERATING THE SNOW PLOW. TECHNICIAN WILL REPLACE THE SNOW PLOW JUMPER HARNESS. |
| 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. |
| 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. |
| 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. |
| 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. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.