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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| 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. |
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| 14-07-30-001 | 2017-03-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. THIS INFORMATION BULLETIN PROVIDES A PROCEDURE FOR THE TECHNICIANS TO PERFORM A TRANSMISSION RE-LEARN TO CORRECT A CUSTOMER CONCERN OF LOW MILAGE HARSH SHIFTING. |
| PIC6049B | 2017-03-14. Service bulletin. ELECTRICAL SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT THE WIRELESS CHARGING MODULE HAS BEEN PLACED ON RESTRICTION THROUGH THE GENERAL MOTORS TECHNICAL ASSISTANCE CENTER. DEALER WILL NEED TO CALL GENERAL MOTORS TECHNICAL ASSISTANCE CENTER FOR FURTHER ASSISTANCE. CUSTOMER MAY STATE THAT THE PHONE DOES NOT CHARGE, CHARGES SLOW, MOVES OUT OF CHARGING SPOT, OR CHARGES INTERMITTENTLY. TECHNICIAN WILL NEED TO GATHER INFORMATION FROM THE CUSTOMER. THE INFORMATION NEEDED MAKE, MODEL, AND WIRELESS CHARGING BACK COVER MODEL. DOES CUSTOMER CURRENTLY USES WIRELESS CHARGING AT HOME AND /OR OFFICE, IF SO WHAT BRAND. IS THE PHONE BLUETOOTH PAIRED TO THE VEHICLE? DOES CUSTOMER RUN APPLICATIONS FROM THE PHONE? IF IT IS A ATS OR CTS CUSTOMER ARE THEY AWARE OF THE VEHICLE’S HEATER-VENT-AIR CONDITIONING COOLING THE PHONE WHEN IT IS ON IT EXTENDS TIME PHONE WILL CHARGE. ALSO IS THE COVER BEING USED FROM THE PHONE PROVIDER? WHEN THE TECHNICIAN CALLS GENERAL MOTORS TECHNICAL ASSISTANCE CENTER SELECT THE ELECTRICAL PROMPT. |
| 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. |
| PIE0350C | 2017-03-13. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. THIS ENGINEERING INFORMATIONAL BULLETIN IS ENDING THE NEED FOR INFORMATION FROM THE FIELD OF VEHICLES WITH THE CONDITION OF BANG OR LOUD NOISE WITH NO FORWARD (DRIVE) OR REVERSE RANGES. |
| 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. |
| 14616 | 2017-02-02. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). 14616 - SERVICE UPDATE. THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO REPROGRAM THE TRANSFER CASE CONTROL MODULE ON CERTAIN VEHICLES EQUIPPED WITH RPO NQH TRANSFER CASE. THESE VEHICLES MAY EXHIBIT A SERVICE 4WD MESSAGE WHEN STARTING THE VEHICLE AFTER IT HAS BEEN TURNED OFF WITH THE TRANSFER CASE CONTROL KNOB SET IN AUTO 4WD. |
| 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. |
| 14876 | 2017-02-02. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 14876 - SERVICE UPDATE. ON CERTAIN VEHICLES EQUIPPED WITH 8-SPEED AUTOMATIC TRANSMISSION (M5U), THE CUSTOMER MAY COMPLAIN ABOUT HARSH SHIFTING. THIS CAN OCCUR IF THE VEHICLE EXPERIENCED MULTIPLE TRANSMISSION REPROGRAMMING EVENTS DURING MANUFACTURING, CAUSING THE CALIBRATION TO OVER-ADJUST THE SHIFT PARAMETERS. THIS BULLETIN PROVIDES A SERVICE ADAPTIVE LEARN PROCEDURE THAT SHOULD BE RUN TO RESET THE CALIBRATION TO THE BASELINE PARAMETERS. |
| 15178 | 2017-02-01. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. 15178 - SERVICE UPDATE (DRIVE AUDIT MESSAGE ONLY). GENERAL MOTORS HAS DECIDED THAT CERTAIN VEHICLES EQUIPPED WITH 8-SPEED TRANSMISSION (RPO M5U) MAY HAVE TRANSMISSION GEAR WHINE NOISE. TO ADDRESS THIS CONDITION WE WILL BE RELEASING SERVICE UPDATE BULLETIN 15178 AS SOON AS A SUFFICIENT QUANTITY OF REPLACEMENT PARTS IS AVAILABLE. IT IS ESTIMATED THAT ONLY 5% OF THE INVOLVED VEHICLES WILL REQUIRE REPAIR. |
| 14300 | 2017-02-01. Service bulletin. LATCHES/LOCKS/LINKAGES:HATCHBACK/LIFTGATE:LOCK. 14300 - SERVICE UPDATE (SUSPEND REPAIRS MESSAGE ONLY). UNTIL FURTHER NOTICE, DEALERS ARE TO SUSPEND ALL REPAIRS FOR SERVICE UPDATE 14300. |
| 14300 CANCEL SUS | 2017-02-01. Service bulletin. STRUCTURE:BODY:HATCHBACK/LIFTGATE. 14300 - SERVICE UPDATE (RESUME REPAIRS MESSAGE ONLY). ON MARCH 5, 2015, DEALERS WERE SENT A MESSAGE INFORMING THEM TO SUSPEND REPAIRS FOR SERVICE UPDATE 14300 DUE TO A POSSIBLE QUALITY ISSUE ON THE ACTUATOR ASSEMBLY USED TO PERFORM THE REPAIR. OUR INVESTIGATION HAS COMPLETED AND NO QUALITY ISSUES WERE FOUND. EFFECTIVE IMMEDIATELY, REPAIRS CAN NOW BEGIN AGAIN ON INVOLVED VEHICLES. |
| 15178 | 2017-02-01. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION (PRNDL); ENGINE. "15178 - SERVICE UPDATE. THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO PERFORM A DRIVE AUDIT AND, IF NECESSARY, REPLACE THE REACTION/OUTPUT CARRIER ASSEMBLY AND ASSOCIATED PARTS ON CERTAIN 2015 MODEL YEAR CADILLAC ESCALADE, ESCALADE ESV; CHEVROLET SILVERADO LD CREW, SILVERADO LD CREW LTZ, SILVERADO LD EXT LTZ; AND GMC SIERRA LD CREW, SIERRA LD CREW DENALI, SIERRA LD EXT, YUKON, YUKON DENALI, YUKON XL, YUKON XL DENALI VEHICLES EQUIPPED WITH AN 8-SPEED TRANSMISSION (M5U) AND A 6.2L ENGINE (L86). SOME OF THESE VEHICLES MAY EXHIBIT A TRANSMISSION GEAR WHINE NOISE AT 1000-2000 RPM AND BETWEEN 20 MPH (32 KPH) AND 35 MPH (56 KPH)." |
| 15303 | 2017-01-31. Service bulletin. SUSPENSION:REAR. 15303 - SERVICE UPDATE. THIS BULLETIN PROVIDES A SERVICE PROCEDURE FOR CERTAIN 2015 MODEL YEAR CHEVROLET TAHOE AND CHEVROLET SUBURBAN, GMC YUKON AND GMC YUKON XL 2WD VEHICLES EQUIPPED WITH AUTO LEVELLING REAR SUSPENSION (RPO Z85 AND AVF). THESE VEHICLES MAY HAVE AN AUTO-LEVELING FEATURE THAT IS INOPERATIVE. THE AUTO-LEVELING FEATURE WORKS BY SENSING WHEN THE REAR OF THE VEHICLE IS LOADED. REAR SHOCK ABSORBERS’ INTEGRAL AIR SACKS (BOOTS) ARE INFLATED TO COMPENSATE AND LEVEL THE VEHICLE. CUSTOMERS MAY NOTICE THE REAR TRIM HEIGHT LOWER IN THE REAR OF THE VEHICLE WHEN LOADED COMPARABLE TO VEHICLES WITHOUT AUTO-LEVELING REAR SUSPENSION. |
| 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. |
| 15178A | 2017-01-31. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN:MANUAL TRANSMISSION. 15178A - SERVICE UPDATE (REVISED PARTS INFORMATION, SERVICE PROCEDURE AND WARRANTY TRANSACTION INFORMATION). THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO PERFORM A DRIVE AUDIT AND, IF NECESSARY, REPLACE THE REACTION/OUTPUT CARRIER ASSEMBLY AND ASSOCIATED PARTS ON CERTAIN 2015 MODEL YEAR CADILLAC ESCALADE, ESCALADE ESV; CHEVROLET SILVERADO LD CREW, SILVERADO LD CREW LTZ, SILVERADO LD EXT LTZ; AND GMC SIERRA LD CREW, SIERRA LD CREW DENALI, SIERRA LD EXT, YUKON, YUKON DENALI, YUKON XL, YUKON XL DENALI VEHICLES EQUIPPED WITH AN 8-SPEED TRANSMISSION (M5U) AND A 6.2L ENGINE (L86). SOME OF THESE VEHICLES MAY EXHIBIT A TRANSMISSION GEAR WHINE NOISE AT 1000-2000 RPM AND BETWEEN 20 MPH (32 KPH) AND 35 MPH (56 KPH). |
| 15396 | 2017-01-30. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. "15396 - SERVICE UPDATE. THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO INSTALL THE ORIGINAL DESIGN TEMPERATURE-SENSOR WIRING HARNESS TO THE VALVE BODY ON CERTAIN 2015 MODEL YEAR CADILLAC ESCALADE AND ESCALADE ESV; CHEVROLET SILVERADO; AND GMC SIERRA, YUKON, AND YUKON XL VEHICLES. THE SUPPLIER OF THE TRANSMISSION-WIRING HARNESS INTRODUCED AN UNAPPROVED CHANGE TO THE TEMPERATURE SENSOR (THERMISTOR), RESULTING IN INCORRECT OIL-TEMPERATURE READINGS DURING TRANSITION FROM COLD TO WARM TEMPERATURES. THIS COULD CAUSE A HARSH SHIFT WHEN STARTING THE VEHICLE AT TEMPERATURES BELOW 32ºF (0ºC); HOWEVER, SHIFT QUALITY IMPROVES ONCE THE TRANSMISSION OIL WARMS UP." |
| 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. |
| 15-08-44-001H | 2017-01-19. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. THIS INFORMATIONAL BULLETIN PROVODES INFORMATION ON THE GM OF CANADA ONSTAR CELLULAR COMMUNICATION UPGRADE. |
| 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. |
| PIP5395 | 2016-11-03. Service bulletin. FUEL/PROPULSION SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR THE CONCERN OF A RATTLE OR TICKING NOISE THAT IS LOUDER INSIDE THE VEHICLE THAN OUTSIDE. INSTRUCTIONS ARE PROVIDED TO INSPECT THE FUEL FEED LINE BETWEEN THE HIGH PRESSURE FUEL PUMP AND CHASSIS FUEL LINE. |
| 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. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.