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Service bulletins for the 2015 Chevrolet Suburban

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.

2542 on file from NHTSA, as of 2026-10-19.

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Bulletins, newest first
PIP5395A2016-09-27. Service bulletin. FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS; FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP; ENGINE. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON HOW TO DIAGNOSE AND REPAIR VEHICLES THAT MAY HAVE RATTLE OR TICKING NOISE THAT IS LOUDER INSIDE THE VEHICLE THAN OUTSIDE. THE NOISE MAY ALSO SOUND LIKE A LIFTER TICK. IF THE NOISE IS HEARD BEST AT THE FUEL LINE AND THE SOUND WILL BE REAL LOUD WITH A STETHOSCOPE. THE FUEL LINE WILL NEED TO BE REPLACED.
PIP5094A2016-09-26. Service bulletin. ELECTRICAL SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT ,WHEN TESTING ANY CIRCUIT FOR OPEN OR RESISTANCE, IT IS IMPERATIVE THAT ALL RELATED TERMINAL PIN FIT AND TENSION BE CHECKED WHEN THE TEST STEPS REQUIRE DISCONNECTION OF THE CONNECTOR OR COMPONENT, PRIOR TO ANY COMPONENT REPLACEMENT. ALWAYS USE THE RECOMMENDED TERMINAL TEST TOOL DURING THESE TESTS.
PIC62102016-09-23. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. THIS PRELIMINARY INFORMATION COMMUNICATES THE PROCEDURE TO THE TECHNICIAN HOW TO REGAIN BLU-RAY/CD/DVD PLAYER FUNCTION ON ALL NEW GENERATION INFOTAINMENT SYSTEMS WITH REGULAR PRODUCTION OPTION CODE U42 OR UWG BLU-RAY PLAYERS. IF THIS CONCERN IS ENCOUNTERED, CYCLE THE CD PLAYER/MEDIA DISC PLAYER FUSE AND RE-EVALUATE THE CONCERN.
PIP54072016-09-21. Service bulletin. ENGINE. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON HOW TO DIAGNOSE AND REPAIR VEHICLES THAT MAY HAVE DIAGNOSTIC TROUBLE CODE P06DD OR NO OR LOW OIL PRESSURE. TECHNICIAN WILL REPLACE TIMING CHAIN TENSIONER GUIDE. IF OIL PUMP FACE IS DAMAGED AND OR WORN THRU REPLACE OIL PUMP. INSPECT BEARINGS FOR DAMAGE WEAR DUE TO DEBRIS FROM OIL PUMP.
PIT5311B2016-09-21. Service bulletin. ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL; ELECTRICAL SYSTEM:WIRING. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR VEHICLES THAT MAY HAVE AN INTERMITTENT "CHECK TRAILER WIRING" OR "SERVICE TRAILER BRAKE" MESSAGE ON THE DRIVER INFORMATION CENTER. TECHNICIAN WILL INSPECT AND CLEAN THE GROUND WIRE (NORMALLY WHITE WIRE) CONNECTION ON THE TRAILER SIDE OF THE 7-PIN CONNECTOR. INSPECT THAT THE WIRES INSIDE THE TRAILER SIDE CONNECTOR ARE CLEAN AND SECURELY FASTENED. IF THE VEHICLE’S 7-WAY CONNECTOR SOCKET TERMINALS ARE DEFORMED OR HAVE EXCESSIVE WEAR, IT WILL BE NECESSARY TO REPLACE THE TRUCK SIDE CONNECTOR FROM GENERAL MOTORS CUSTOMER CARE AND AFTERSALES ALONG WITH THE TRAILER'S 7-WAY CONNECTOR PLUG.
PIP5211E2016-09-21. Service bulletin. ENGINE. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN THE STEPS NEEDED TO DIAGNOSE AND REPAIR VEHICLES WITH A ROUGH IDLE AND/OR VIBRATION AT IDLE IN DRIVE. THIS CONDITION WILL NOT BE PRESENT IN PARK, OR NEUTRAL. THIS CONCERN MAY BE CAUSED BY GROUND OUT WITHIN THE ONE OR BOTH ENGINE MOUNTS. TECHNICIAN WILL USE CH-51450-A (PICO OSCILLOSCOPE) TO MEASURE THE VIBRATION DISTURBANCE. IF THE VIBRATION CONCERN IS E1.5 IN THE HORIZONTAL / LATERAL DIRECTION WITH PICO SENSOR MOUNTED IN SEAT TRACK AS INDICATED – CONTINUE WITH STEPS TO REDUCE THE AMPLITUDE OF THE VIBRATION BY ADDING SPACERS IN KEY LOCATIONS TO REDUCE GROUND OUT WITHIN THE ENGINE MOUNTS. THE 6.2L ENGINE HAS A CHARACTERISTIC E1 WHICH CAN BE FELT, AND MAY BE DESCRIBED AS A LOPEY IDLE. DO NOT CONFUSE 6.2L E1 CHARACTERISTIC (NOT CAUSED BY MOUNT GROUND-OUT), WITH E1.5 NORMAL IDLE CHARACTERISTICS BEING TRANSMITTED INTO THE TRUCK VIA GROUND-OUT THRU THE ENGINE MOUNTS. IF MEASURING HIGH AT THE SEAT TRACK 12 MG OR GREATER; REPLACEMENT OF THE ENGINE MOUNTS SHOULD HELP REDUCE THE AMPLITUDE OF THE VIBRATION. IF THE DISTURBANCE MEASURES AT THE SEAT TRACK AS E1.5 LATERAL IN THE RANGE OF APPROXIMATELY 2.5 - 8 MG USING A TRI-AXIS SENSOR. THEN PLACE TRI-AXIS PICO SENSOR ON THE INBOARD SEAT TRACK FORWARD-MOST LOCATION TO RECORD MEASUREMENT OF THE ROUGH IDLE VIBRATION CONCERN. WITH THE HEATER-VENT-AIR CONDITIONING ON PERFORM SEVERAL SHORT HEAVY LAUNCH EVENTS FROM STOP TO STOP TO BRING THE TEMPERATURES BACK UP WHILE ATTEMPTING TO RE-CREATE THE ROUGH IDLE VIBRATION IN DRIVE WITH PICO SENSOR PLACED ON INBOARD SEAT TRACK; WHILE THE VIBRATION IS ACTIVE – RECORD PICO READING. THIS METHOD SEEMS TO PROVIDE BETTER RESULTS THAN EXTENDED TEST DRIVES. IF THE PICO READING FOR E1.5, WITH VIBRATION ACTIVE, AT SPECIFIED SEAT TRACK LOCATION MEASURES CLOSE TO 2MG OR LESS USE SERVICE INFORMATION TO DIAGNOSE ROUGH IDLE / VIBRATION.
SB-140562016-09-21. Service bulletin. ELECTRICAL SYSTEM:WIRING; SERVICE BRAKES, ELECTRIC. 14056 - MESSAGE NO BULLETIN. CERTAIN VEHICLES, EQUIPPED WITH THE TRAILERING PACKAGE (RPO Z82 WITHOUT RPO JL1), WERE SHIPPED TO DEALERS WITHOUT THE ELECTRIC BRAKE CONTROLLER WIRE HARNESS. THE MISSING HARNESSES ARE BEING SHIPPED TO DEALERS FROM THE WARRANTY PARTS CENTER (WPC) FOR VEHICLES IN DEALER INVENTORY. THIS SHIPMENT WILL BEGIN MARCH 1, 2014, VIA UPS 3-DAY SHIPPING. IF A VEHICLE ASSIGNED TO YOU HAS BEEN SOLD OR DEALER TRADED, PLEASE MAKE ARRANGEMENTS TO PROVIDE THE CUSTOMER OR DEALER WITH THE HARNESS. GM WILL MAIL THE HARNESS TO CUSTOMERS OF RECORD.
GCUS-3-4252016-09-14. Service bulletin. EQUIPMENT. 15577 - CUSTOMER SATISFACTION PROGRAM. 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. DEALERS ARE TO INSTALL A CORRECTED LABEL. SINCE A NEW LABEL CAN BE EASILY INSTALLED, AND TO REDUCE CUSTOMER INCONVENIENCE, THE LABEL WAS SENT DIRECTLY TO CUSTOMERS OF RECORD ALONG WITH THE INSTALLATION INSTRUCTIONS. CUSTOMERS MAY INSTALL THE LABEL, OR IF THEY DESIRE, THEY MAY BRING THE LABEL TO THEIR DEALER FOR INSTALLATION AT NO CHARGE.
G-2082672016-09-07. Service bulletin. STRUCTURE:BODY:HATCHBACK/LIFTGATE. 14300A - SERVICE UPDATE (REVISED PART, SERVICE, AND WARRANTY INFORMATION). ON VEHICLES EQUIPPED WITH A POWER LIFTGATE (TB5/TC2), THE POWER LIFTGATE MAY HAVE BEEN BUILT WITH LIFTGATE STRUTS THAT CAN LOCK UP AND CEASE TO MOVE. IF THE LIFTGATE STRUT LOCKS UP, THE CUSTOMER MAY NOT BE ABLE TO OPEN OR CLOSE THE LIFTGATE EITHER ELECTRONICALLY OR MANUALLY. DEALERS ARE TO REPLACE THE LIFTGATE ACTUATOR ASSEMBLY.
PIC-6095-A2016-08-26. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES THE TECHNICIAN WITH A DIAGNOSTIC AID FOR IDENTIFYING INFOTAINMENT COMPONENTS ON THE VEHICLES TO ENSURE THAT THE CORRECT COMPONENT IS ORDERED OR REPLACED AND THE CORRECT LABOR CODE IS USED FOR WARRANTY SUBMISSION.
PIT-55082016-08-25. Service bulletin. STEERING:HYDRAULIC POWER ASSIST SYSTEM; EQUIPMENT:APPLIANCE:AIR CONDITIONER. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON HOW TO DIAGNOSE AND REPAIR VEHICLES WITH ONE OF THE TWO CONCERNS. VEHICLE MAY HAVE AN INTERMITTENT "SERVICE POWER STEERING, DRIVE WITH CARE" ON THE DRIVER INFORMATION CENTER AND A DIAGNOSTIC TROUBLE CODE C0545 SYMPTOM 00 SET IN THE POWER STEERING CONTROL MODULE. OR THE VEHICLE MAY HAVE INOPERATIVE AIR CONDITION CAUSED BY ANY OF THE FOLLOWING DIAGNOSTIC TROUBLE CODE B393B, FUSE F60UA OR F35UA BEING OPEN, OR A POOR AIR CONDITION COMPRESSOR CLUTCH GROUND. TECHNICIAN WILL GAIN ACCESS TO THE WIRE HARNESS UNDER THE AIR CONDITION COMPRESSOR, INSPECT FOR DAMAGE WIRES AND REPAIR THE WIRES.
PIT-5301-A2016-08-25. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT DIAGNOSTIC TROUBLE CODE B127E IN THE HUMAN MACHINE INTERFACE WITH REGULAR PRODUCTION OPTION CODE U42 OR UWG WILL BE CURRENT WHEN PLAYING A DVD OR BLU-RAY ON THE INTEGRATED CENTER STACK DISPLAY. WHEN THE DISC IS EJECTED THE DIAGNOSTIC TROUBLE CODE WILL BE HISTORY. IF THE DIAGNOSTIC TROUBLE CODE B127E REMAINS CURRENT AFTER EJECTING THE DISC FOLLOW SERVICE INFORMATION DIAGNOSTIC PROCEDURE INSTRUCTIONS FOR B127E WITH REGULAR PRODUCTION OPTION CODE U42 OR UWG.
PIP-3140-G2016-08-24. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT A NOISE OR A VIBRATION IN THE VEHICLE THAT SEEMS TO BE ABNORMAL MAY NOT HAVE BEEN THERE WHEN THE VEHICLE WAS PURCHASED. TECHNICIAN SHOULD LOOK FOR NON - GENERAL MOTORS AFTERMARKET ACCESSORIES INSTALLED ON THE VEHICLE THAT CAN CAUSE THESE ISSUES.
PIC-6086-A2016-08-24. Service bulletin. VISIBILITY:WINDSHIELD. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES THE TECHNICIAN WITH STEPS TO RESOLVE THE ISSUE OF AN OILY SUBSTANCE THAT MAY BE FOUND ON THE INSIDE WINDSHIELD SURFACE, AND APPEARS TO BE LEAKING FROM THE REAR VIEW MIRROR AREA. TECHNICIAN WILL REMOVE THE MOISTURE SENSOR AND CLEAN THE GLASS AND MOUNTING BRACKET WITH ALCOHOL WIPE. IF THE GEL SEPARATES FROM THE SENSOR THE SENSOR WILL NEED TO BE REPLACED.
PIP-53952016-08-17. Service bulletin. STRUCTURE:BODY; FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP. 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.
PIT-5401-F2016-08-17. 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 IS INOPERTIVE. NEW SOFTWARE HAS BEEN RELEASED TO CORRECT THIS CONCERN.
PIP-5308-A2016-08-17. Service bulletin. ENGINE. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR THE CONCERN OF THE SERVICE ENGINE SOON LIGHT IS ON, AND THE ENGINE HAS LOW OIL PRESSURE.
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.
PIP-5189-B2016-08-17. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR THE CONCERN OF BLACK SMOKE WHEN STARTING THE VEHICLE AFTER SITTING.
PIC-61982016-08-17. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR THE CONCERN OF A DEAD BATTERY AFTER LEAVING THE VEHICLE DURING A BLUETOOTH CALL.
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.
PIT-5456-A2016-08-16. Service bulletin. VISIBILITY:SUN/MOON ROOF ASSEMBLY. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN OF THE STEPS FOR DIAGNOSING AND REPAIRING THE CONCERN WHEN THE VEHICLE HAS A WATER LEAK AND OR WIND NOISE FROM SUNROOF.
PIT-5457-A2016-08-13. Service bulletin. SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT; SUSPENSION; STEERING:HYDRAULIC POWER ASSIST SYSTEM; SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS FOR DIAGNOSING THE CONCERN, AND COMPLETING A WIRING REPAIR. THE VEHICLE MAY HAVE A SERVICE ANTILOCK BRAKING SYSTEM, TRACTION CONTROL, POWER STEERING OR SUSPENSION SYSTEM MESSAGE ON THE DRIVERS INFORMATION CENTER.
PIT-5287-B2016-08-13. Service bulletin. SUSPENSION:FRONT; SUSPENSION:FRONT:SHOCK ABSORBER. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS REQUIRED FOR THE FRONT SHOCK ABSORBER TERMINAL REMOVAL.
PIT-5380-A2016-08-12. Service bulletin. SEATS. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO REPAIR THE CONCERN OF THE VEHICLE'S FRONT SEAT APPEARS TO BE TOO FAR FORWARD. THIS CONCERN COULD BE CAUSED BY THE SEAT BOTTOM TRIM COVER NOT INSTALLED CORRECTLY ONTO THE CUSHION/FOAM. INSTRUCTIONS ARE PROVIDED TO CORRECTLY INSTALL THE SEAT BOTTOM TRIM COVER.

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