Service bulletins for the 2015 GMC Yukon XL
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.
2156 on file from NHTSA, as of 2026-10-19.
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| PIT5447A | 2017-03-23. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON THE STEPS NEEDED TO DIAGNOSE AND REPAIR VEHICLES THAT MAY HAVE A RATTLE NOISE FROM THE DASH. TECHNICIAN WILL NEED TO INSPECT FOR THE REAR HEATER PIPES CONTACTING THE PASSENGER SIDE EXHAUST MANIFOLD. IF THE REAR HEATER PIPE IS FOUND TO BE CONTACTING THE EXHAUST MANIFOLD, REPOSITION THE HEATER PIPE SO IT NO LONGER MAKES CONTACT. |
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| PIT5291B | 2017-03-23. Service bulletin. VISIBILITY:GLASS, SIDE/REAR; EQUIPMENT. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLE THAT MAY HAVE WIND WHISTLE NOISE HEARD FROM THE RIGHT OR LEFT REAR QUARTER GLASS AREA WHEN DRIVING AT HIGHWAY SPEEDS OR WITH A CROSS WIND. TECHNICIAN WILL INSPECT THE QUARTER GLASS FOR EXCESSIVE URETHANE. IF EXCESSIVE URETHANE IS FOUND USE A SHARP KNIFE AND CUT OFF THE EXCESSIVE URETHANE. ALSO THE TECHNICIAN WILL INSTALL FOAM TAPE ALONG THE ENTIRE LENGTH OF THE TAIL LIGHT ASSEMBLY. |
| 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. |
| 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. |
| 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. |
| 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. |
| 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. |
| 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. |
| PIC3278F | 2017-03-14. Service bulletin. EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN THE STEPS NEEDED TO DIAGNOSE AND REPAIR THE VEHICLES THAT MAY HAVE UNWANTED OR PHANTOM PHONE CALLS. TECHNICIAN WILL NEED TO DETERMINE WHAT TYPE OF CALL THE CUSTOMER IS HAVING THAT IS UNWANTED. THE VEHICLE MAY RECEIVE AN INCOMING CALL JUST LIKE ANY OTHER PHONE. TYPICALLY THE CUSTOMER WILL HEAR THE PHONE RINGING IN THE VEHICLE. THIS SCENARIO ALSO INCLUDES INCOMING BLUETOOTH CALLS. ONE TYPE OF UNWANTED CALL CAN BE MADE IF THE KEY PAD IS FAULTY THE ONSTAR SYSTEM WILL TRY TO MAKE A BLUE BUTTON CALL FOR SHORTED VOLTAGE IN THE CIRCUITS. THE ONSTAR MODULE COULD HAVE AN INTERNAL FAULT AND PRODUCE A PHONE UNAVAILABLE AUDIO MESSAGE ALSO IT MAY HAVE A DIAGNOSTIC TROUBLE CODE U1500 OR B1000. REFER TO DIAGNOSTICS FOR THE DIAGNOSTIC TROUBLE CODE MAKING SURE TO FOLLOW ANY APPLICABLE BULLETINS OR PRELIMINARY INFORMATION SHEETS. A GREADYH OR GONSTAR READYH AUDIO MESSAGE HEARD WHILE DRIVING. IN SOME CASES IT HAS BEEN FOUND THAT THE CUSTOMER IS INADVERTENTLY PRESSING THE PUSH TO TALK BUTTON ON THE STEERING WHEEL CONTROLS. ON RARE OCCASIONS, OTHER ISSUES IN THE STEERING COLUMN OR STEERING WHEEL CONTROL SYSTEM MAY INDUCE THIS CONCERN. |
| PI1305 | 2017-03-09. Service bulletin. EQUIPMENT. THIS PRELIMINARY BULLETIN IS TO INFORM DEALERSHIP PERSONNEL THAT THE ORIGINAL EQUIPPED FASCIA DOES NOT HAVE THE PROPER CLOSE-OUT TO ACCOMMODATE THE ACCESSORY TOW HOOKS. |
| G-193360 | 2017-02-23. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 14212 - CUSTOMER SATISFACTION. CERTAIN VEHICLES MAY HAVE INACCURATE TOWING CAPACITY VALUES REPORTED IN THE OWNER’S MANUAL. USE OF HIGHER THAN RECOMMENDED MAXIMUM TRAILER WEIGHT COULD RESULT IN A POWERTRAIN COOLING SYSTEM OVERHEAT CONDITION IF OPERATING THE VEHICLE UNDER CERTAIN HIGH AMBIENT TEMPERATURE AND ROAD GRADE CONDITIONS. DEALERS ARE TO PLACE A COPY OF AN UPDATED TOWING CAPACITY TABLE SUPPLEMENT IN THE OWNER MANUAL. GM WILL MAIL THE SUPPLEMENT TO CUSTOMERS OF RECORD. |
| 15577 | 2017-02-03. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:OTHER:LABELS. 15577 - CUSTOMER SATISFACTION PROGRAM (MESSAGE ONLY INSTRUCTING DEALERS OF PROCESS TO ORDER MISSING LABELS). SOME VEHICLES HAVE AN INCORRECT ELECTRICAL CIRCUIT LABEL ON THE INSTRUMENT PANEL LEFT END CAP COVER THAT SHOWS FOUR INCORRECT FUSE POSITIONS. THIS CONDITION COULD LEAD TO SERVICE CONFUSION, AND POSSIBLE IMPROPER FUSE INSTALLATION. FUSES PROTECT WIRING CIRCUITS, AND IF A HIGHER THAN REQUIRED FUSE IS INSTALLED, THE CIRCUIT WIRE MAY FAULT OPEN OR INCREASED RISK OF FIRE MAY RESULT. |
| 14450A | 2017-02-02. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. 14450A - SERVICE UPDATE (REVISED TO INCLUDE NON-EXPORT VEHICLES). THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO INSPECT THE AIR CONDITIONING REFRIGERANT WARNING LABEL ON CERTAIN VEHICLES. IF THE LABEL IS INCORRECT, THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO REPLACE THE LABEL, INSPECT THE AIR CONDITIONING REFRIGERANT CHARGE, AND ADJUST THE AIR CONDITIONING REFRIGERANT CHARGE. IN EXTREMELY HIGH AMBIENT TEMPERATURES, POOR AIR CONDITIONING PERFORMANCE MAY BE EXPERIENCED IF THE AIR CONDITIONING SYSTEM WAS OVERCHARGED AT THE ASSEMBLY PLANT AS A RESULT OF THE INCORRECT LABEL. |
| 15216 | 2017-01-31. Service bulletin. EQUIPMENT; POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN:MANUAL TRANSMISSION. 15216 - CUSTOMER SATISFACTION PROGRAM. CERTAIN 2015 MODEL YEAR CADILLAC ESCALADE AND ESCALADE ESV; CHEVROLET SILVERADO LD CREW AND DOUBLE CAB; AND GMC SIERRA LD CREW, SIERRA LD CREW DOUBLE CAB, YUKON, AND YUKON XL MODEL VEHICLES THAT ARE EQUIPPED WITH A 6.2L ENGINE (RPO L86) AND 8-SPEED AUTOMATIC TRANSMISSION (RPO M5U) MAY HAVE A CONDITION IN WHICH THE U-JOINT RETAINER BOLTS LOSE INDEX. IF THIS CONDITION OCCURS, THE CUSTOMER MAY HEAR OR FEEL A “CLUNKING” NOISE WHEN CHANGING SPEED. IF THIS CONDITION IS NOT CORRECTED, REDUCED CLAMP LOAD MAY CAUSE THE PROPSHAFT TO MOVE RELATIVE TO THE AXLE YOKE AND THE CUSTOMER MAY FEEL A VIBRATION. IF ONE OR MORE BOLTS BACK OUT COMPLETELY, THE PROPSHAFT MAY SEPARATE FROM THE AXLE RESULTING IN A LOSS OF DRIVE AND POTENTIAL DAMAGE TO THE UNDERSIDE OF THE VEHICLE. DEALERS ARE TO REPLACE TWO U-JOINT RETAINERS AND FOUR U-JOINT RETAINER BOLTS WITH NEW BOLTS THAT INCLUDE AN ADHESIVE PATCH. |
| 15155 | 2017-01-30. Service bulletin. EQUIPMENT; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). 15155 - CUSTOMER SATISFACTION PROGRAM. CERTAIN 2015 MODEL YEAR CADILLAC ESCALADE, CADILLAC ESCALADE ESV, CHEVROLET SILVERADO CREW CAB, CHEVROLET SUBURBAN, CHEVROLET TAHOE, GMC SIERRA CREW CAB, GMC YUKON, AND GMC YUKON XL VEHICLES MAY HAVE A CONDITION THAT CAN ALLOW WATER TO LEAK INTO THE VEHICLE’S ROOF-MOUNTED ANTENNA. THIS CONDITION COULD PREVENT THE VEHICLE’S ONSTAR SYSTEM FROM ACCURATELY DETERMINING THE VEHICLE’S LOCATION; DISABLE THE VEHICLE’S COMPASS, NAVIGATION, AND XM RADIO SYSTEMS; ILLUMINATE THE VEHICLE’S RED ONSTAR LED INDICATOR; AND ALLOW WATER INTO THE INTERIOR PASSENGER COMPARTMENT. DEALERS ARE TO REPLACE THE ONSTAR® ANTENNA. |
| 10-08-110-001E | 2017-01-19. Service bulletin. EQUIPMENT. THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION ON THE PROPER USE OF FLOOR MATS. |
| 11-08-49-001R | 2017-01-19. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT. THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REMOVE THE TRANSPORT MODE ON MESSAGE DISPLAYED IN THE DIC DUE TO VEHICLES SHIPPED OVER LONG DISTANCES OUTSIDE THE U.S. AND CANADA. |
| PIT5389A | 2016-11-03. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS FOR DIAGNOSING THE CONCERN. THE VEHICLE MAY BE UNABLE TO CONNECT TO ONSTAR USING THE WHITE, BLUE OR RED ONSTAR BUTTONS. |
| PIT5344F | 2016-11-03. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON DIAGNOSING THE CONCERN OF THE CD PLAYER BEING INOPERATIVE OR DISC WILL NOT EJECT. |
| PIC6193A | 2016-10-26. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN TO CONTACT THE GM TECHNICAL ASSISTANCE CENTER FOR FURTHER INSTRUCTIONS. THE CONCERN IS THE RADIO MAY BE UNABLE TO SAVE XM FAVORITE STATIONS. |
| PIC6187A | 2016-10-26. Service bulletin. EQUIPMENT:ELECTRICAL. THIS PRELIMINARY INFORMATION COMMUNICATION IS TO CONTACT GM TECHNICAL ASSISTANCE CENTER TO REPORT THE CONCERN AND OBTAIN A CASE NUMBER. THE CUSTOMER IS UNABLE TO SELECT RADIO PRESETS FROM THE USB OR SD CARD AS THEY ARE GREYED OUT. |
| PIC6183A | 2016-10-26. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR THE CONCERN OF THE RADIO SYSTEM INOPERATIVE. THE TECHNICIAN IS TO CALL THE GENERAL MOTORS TECHNICAL ASSISTANCE CENTER WITH THE FINDINGS FROM THE QUESTIONS PROVIDED. |
| PIC5374D | 2016-10-25. 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. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.