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Service bulletins for the 2014 GMC Savana

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.

1715 on file from NHTSA, as of 2026-10-19.

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Bulletins, newest first
PIT5251B2017-05-23. Service bulletin. STRUCTURE:BODY:TAILGATE. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE AN EZ LIFT AND LOWER TAILGATE OPENS TOO QUICKLY. TECHNICIAN WILL ENSURE NOTHING WAS ADDED TO THE TAILGATE. IF THE TAILGATE OPENS WITHIN APPROXIMATELY 2-6 SECONDS, NO REPAIRS SHOULD BE MADE. TECHNICIAN SHOULD INSPECT THE RIGHT TAILGATE BUSHING IF THE TAILGATE OPENS TOO QUICKLY.
PIT5206E2017-05-22. 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.
PIT5125B2017-05-22. Service bulletin. EXTERIOR LIGHTING:TURN SIGNAL; EXTERIOR LIGHTING:BRAKE LIGHTS. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES PROPER OPERATION OF THE STOP AND/OR TURN SIGNALS. FOR VEHICLES WITHOUT REGULAR PRODUCTION OPTION CODE V4D CIRCUIT 618 IS FOR THE LEFT STOP AND TURN SIGNAL AND CIRCUIT 619 DARK GREEN IS FOR THE RIGHT STOP AND TURN SIGNAL. FOR VEHICLES WITH REGULAR PRODUCTION OPTION CODE V4D CIRCUIT 618 YELLOW IS FOR THE LEFT TURN SIGNAL ONLY. CIRCUIT 619 DARK GREEN IS FOR THE RIGHT TURN SIGNAL ONLY AND CIRCUIT 1320 LIGHT BLUE IS FOR THE STOP LAMPS ONLY.
PIP5282A2017-05-18. Service bulletin. ENGINE. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ABOUT THE CALCULATION AND OPERATION OF THE ENGINE OIL LIFE MONITOR. THE MONITOR CALCULATES THE PERCENT OF OIL LIFE REMAINING, BASED ON 3 PATHWAYS. THE FIRST PATHWAY FOR OIL LIFE CALCULATION IS ENGINE REVOLUTIONS. THE SECOND PATHWAY FOR OIL LIFE CALCULATION IS THE MILEAGE FORM THE LAST REST FOR ALL GENERAL MOTORS POWERTRAINS EXCEPT THE VOLT. THE THIRD PATHWAY FOR OIL LIFE CALCULATION IS THE AMOUNT OF TIME THE OIL IS IN THE ENGINE. THE VOLT USES A 2 YEAR TIMER INSTEAD OF 1 YEAR. IT ALSO USES THE ENGINE REVOLUTION COUNTER. IT DOES NOT USE THE MILEAGE PATHWAY TO COUNT DOWN.
PIP5088D2017-05-17. 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.
PIP5029G2017-05-16. 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.
PIC6073C2017-05-05. Service bulletin. STEERING. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT THE MEDIA ORIENTED SYSTEMS TRANSPORT BUS DIAGNOSTIC TOOL KIT (EL-51578) HAS BEEN RELEASED TO HELP DIAGNOSE ANY OF THE MEDIA ORIENTED SYSTEMS TRANSPORT BUS CONCERNS. THE KIT CONTAINS HEADER CONNECTORS THAT ARE INSTALLED TO BYPASS MEDIA ORIENTED SYSTEMS TRANSPORT BUS MODULES. THE BYPASS CONNECTOR ALSO CONTAINS A TERMINAL FOR VERIFYING MEDIA ORIENTED SYSTEMS TRANSPORT CONTROL CIRCUIT VOLTAGES. TECHNICIAN SHOULD REVIEW MEDIA ORIENTED SYSTEMS TRANSPORT BUS DESCRIPTION AND OPERATION AND DIAGNOSTIC TROUBLE CODE U0028 DIAGNOSTIC PROCEDURES.
PIT54952017-03-23. Service bulletin. EQUIPMENT; STRUCTURE:BODY:BUMPERS; PARKING BRAKE. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON HOW TO DISABLE THE REAR PARK ASSIST. IF THE REAR BUMPER WAS REPLACED OR REMOVED TO DISABLE THE REAR PARK ASSIST, REMOVING THE OBS DET FUSE 33 (10 AMP) FROM THE UNDERHOOD FUSE BLOCK WILL WORK.
PIP5226A2017-03-21. 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.
PIP5104B2017-03-20. 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.
PIP4912D2017-03-20. 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.
PIP5204E2017-03-15. Service bulletin. EQUIPMENT. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THE DIESEL OXIDATION CONVERTER PART RESTRICTION HAS ENDED. DEALER CAN NOW ORDER THE PARTS THROUGH THE REGULAR CUSTOMER CARE AND AFTERSALES PARTS PROCESS.
PIC3278F2017-03-14. 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.
PI0652A2017-03-14. Service bulletin. EQUIPMENT. THIS PRELIMINARY BULLETIN PROVIDES A INFORMATION ON HOW TO REMOVE THE SEIZED TEMPERATURE SENSORS FROM THE DPF.
PI0690B2017-03-09. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. THIS PRELIMINARY BULLETIN PROVIDES INFORMATION TO INSPECT THE BATTERY FOR PROPER GROUNDING TO THE FRAME AND ENGINE IF THE CUSTOMER BRINGS THE VEHICLE IN FOR ERRATIC SHIFTING AND MIL ON.
G-1985892017-03-03. Service bulletin. SUSPENSION:FRONT. 14313 - CUSTOMER SATISFACTION. CERTAIN VANS MAY HAVE A CONDITION IN WHICH THE FRONT TORSION BAR MAY FRACTURE DURING OR AFTER BEING LOADED. IF THE TORSION BAR FRACTURES, THE TRIM HEIGHT WILL IMMEDIATELY DROP ON THE FRACTURED SIDE. THE FRONT SUSPENSION ALIGNMENT WILL CHANGE AND THE WEIGHT DISTRIBUTION WILL SHIFT TO THE VEHICLE SIDE WITH THE NON-FRACTURED TORSION BAR. IF THE DRIVER IS NOT HOLDING THE STEERING WHEEL, IT WILL ROTATE APPROXIMATELY 14 DEGREES TO THE FRACTURED SIDE. WITH HANDS ON THE WHEEL, THE STEERING FORCE FEEDBACK WOULD BE SIMILAR TO A LARGE WIND GUST OR POTHOLE HIT. DEALERS ARE TO REPLACE THE LEFT AND RIGHT FRONT SUSPENSION TORSION BARS.
G-1978282017-03-03. Service bulletin. EQUIPMENT. 14151 - CUSTOMER SATISFACTION (MESSAGE ONLY, VIN LIST WAS NOT ATTACHED TO THE PREVIOUS MESSAGE). THIS MESSAGE IS TO ALERT DEALERS THAT GENERAL MOTORS HAS BECOME AWARE THAT SOME CUSTOMERS MAY BE OVERFILLING THEIR COMPRESSED NATURAL GAS (CNG) TANKS IN COLD WEATHER BY ADDING CNG BEYOND THE RECOMMENDED FILL PRESSURE. IF CNG TANKS ARE FILLED TO A HIGHER PRESSURE THAN RECOMMENDED AT A GIVEN AMBIENT TEMPERATURE, THEN MOVED TO A MUCH HIGHER AMBIENT TEMPERATURE ENVIRONMENT, EXPANSION OF THE GAS CAUSED BY THE TEMPERATURE CHANGE MAY CAUSE PRESSURE RELIEF DEVICES ON THE VEHICLE CNG TANK(S) TO RELEASE GAS, AS DESIGNED. IF AN IGNITION SOURCE WERE PRESENT, THIS COULD CREATE A RISK OF FIRE OR EXPLOSION. AN ADVISORY LETTER WAS MAILED TO ALL INVOLVED CUSTOMERS ALONG WITH AND OWNER MANUAL CNG SUPPLEMENT AND TWO LABELS WITH INSTRUCTIONS.
G-1977352017-03-03. Service bulletin. EQUIPMENT. 14151 - CUSTOMER SATISFACTION (MESSAGE ONLY WITH LETTER). THIS MESSAGE IS TO ALERT DEALERS THAT GENERAL MOTORS HAS BECOME AWARE THAT SOME CUSTOMERS MAY BE OVERFILLING THEIR COMPRESSED NATURAL GAS (CNG) TANKS IN COLD WEATHER BY ADDING CNG BEYOND THE RECOMMENDED FILL PRESSURE. IF CNG TANKS ARE FILLED TO A HIGHER PRESSURE THAN RECOMMENDED AT A GIVEN AMBIENT TEMPERATURE, THEN MOVED TO A MUCH HIGHER AMBIENT TEMPERATURE ENVIRONMENT, EXPANSION OF THE GAS CAUSED BY THE TEMPERATURE CHANGE MAY CAUSE PRESSURE RELIEF DEVICES ON THE VEHICLE CNG TANK(S) TO RELEASE GAS, AS DESIGNED. IF AN IGNITION SOURCE WERE PRESENT, THIS COULD CREATE A RISK OF FIRE OR EXPLOSION. AN ADVISORY LETTER WAS MAILED TO ALL INVOLVED CUSTOMERS ALONG WITH AND OWNER MANUAL CNG SUPPLEMENT AND TWO LABELS WITH INSTRUCTIONS.
141512017-02-06. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 14151 - CUSTOMER SATISFACTION PROGRAM (REVISED POPULATION, LETTER ONLY). INFORMATION ABOUT CUSTOMERS OVERFILLING THEIR COMPRESSED NATURAL GAS (CNG) TANKS IN COLD WEATHER IN CERTAIN VEHICLES WAS PREVIOUSLY SENT. ADDITIONAL 13 VEHICLES ARE ADDED FOR WHICH WE DO NOT HAVE CURRENT OWNER NAME AND ADDRESS. A LIST IS ATTACHED WITH INVOICING BUSINESS ASSOCIATE CODE, PLEASE USE THE LIST TO ASSIST WITH IDENTIFYING THE OWNER AND LOCATION OF THE VEHICLE. IF YOU ARE ABLE TO LOCATE OWNER INFORMATION FOR ONE OF THESE VEHICLES, FOLLOW THE ORDERING INSTRUCTIONS PROVIDED IN THE ORIGINAL MESSAGE TO OBTAIN A FUEL FILLER DOOR LABEL, A GLOVE BOX HANG TAG AND AN OWNER MANUAL INSERT. UPON RECEIPT, PLEASE FORWARD THE KIT TO THE CUSTOMER FOR SELF-INSTALLATION.
147302017-02-02. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER. 14730 - CUSTOMER SATISFACTION PROGRAM. CERTAIN VEHICLES, EQUIPPED WITH ENGINE RPO L96 (6.0L V-8) AND TRANSMISSION RPO MYD (6 SPEED AUTO), MAY HAVE A CONDITION IN WHICH HIGH DUTY CYCLE USE WHILE PULLING TRAILERS AND/OR VEHICLES (SUCH AS FLEET CUSTOMERS DRIVING CUT-AWAY MODELS WITH 16 FOOT BOXES) CAN EXCEED THE TARGET ENERGY INPUT TO THE CLUTCH. THIS MAY LEAD TO FASTER TORQUE CONVERTER CLUTCH FRICTION MATERIAL WEAR THAN EXPECTED. SOME OPERATORS OF VEHICLES WITH THIS CONDITION HAVE REPORTED A DRIVELINE VIBRATION OR SHUDDER FEELING. DEALERS ARE TO REPROGRAM THE TRANSMISSION CONTROL MODULE (TCM).
14515 MESSAGE2017-02-02. Service bulletin. STRUCTURE:BODY; ELECTRICAL SYSTEM; EQUIPMENT. 14515 - CUSTOMER SATISFACTION PROGRAM (STOP DELIVERY EXPANSION). APPROXIMATELY 8,776 ADDITIONAL VEHICLES HAVE BEEN ADDED TO THE RECALL POPULATION. THESE VEHICLES WERE SERVICED WITH A CHASSIS ELECTRONIC MODULE SUSPECTED OF CONTAINING INTERNAL CONTAMINATION. A VERY SMALL NUMBER OF OLDER MODEL VEHICLES ARE NOW INCLUDED AND IDENTIFIED IN IVH WHICH HAS BEEN UPDATED AS OF DECEMBER 2, 2014. ADDITIONALLY, THE IVH SYSTEM ISSUE THAT WAS COMMUNICATED HAS BEEN RECTIFIED AND ALL INVOLVED VEHICLES SHOULD NOW SHOW "INCOMPLETE – REMEDY NOT YET AVAILABLE".
143012017-02-01. Service bulletin. SERVICE BRAKES. 14301 - SPECIAL COVERAGE. ON SOME VEHICLES, EQUIPPED WITH A HINGED LEFT SIDE REAR DOOR (E26), INADEQUATE CLEARANCE MAY RESULT IN ABRASION TO ONE OR BOTH REAR BRAKE LINES. THIS COULD CAUSE BRAKE FLUID LOSS RESULTING IN DECREASED BRAKE LINE PRESSURE, INCREASED BRAKE PEDAL TRAVEL AND INCREASED STOPPING DISTANCE. ALERTS ANNOUNCING THIS POTENTIAL CONDITION ARE: A SUDDEN INCREASE IN BRAKE PEDAL TRAVEL; ILLUMINATION OF “BRAKES” LIGHT AND STABILITRAK SYMBOL; DISPLAY OF “SERVICE BRAKE,” “SERVICE STABILITRAK,” AND “SERVICE TRACTION CONTROL” MESSAGES IN THE DRIVER INFORMATION CENTER (DIC); AND/OR CHIMES WILL BE HEARD. DEALERS ARE TO REPLACE REAR BRAKE LINES WITH PRE-FORMED LINES BASED ON VEHICLE CONTENT.
146342017-02-01. Service bulletin. ENGINE. 14634 -SPECIAL COVERAGE (MESSAGE ONLY - POPULATION CHANGE). PLEASE BE ADVISED 2010-2014 CHEVROLET EXPRESS AND GMC SAVANA VEHICLES EQUIPPED WITH A 6.6L DIESEL ENGINE (LMM/LGH), 5.3L FLEX-FUEL ENGINE (LMF), OR A 6.0L LIQUID PROPANE/COMPRESSED NATURAL GAS ENGINE (LC8) ARE NOT INCLUDED IN THIS PROGRAM BUT WERE INADVERTENTLY INCLUDED.
146532017-01-31. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS. 14653 - SPECIAL COVERAGE. SOME 2010-2014 MODEL YEAR CHEVROLET EXPRESS, 2011-2014 MODEL YEAR CHEVROLET SILVERADO HD, 2010-2014 MODEL YEAR GMC SAVANA AND 2011-2014 MODEL YEAR GMC SIERRA HD VEHICLES EQUIPPED WITH A 6.6L ENGINE (RPO LML OR LGH), MAY HAVE A CONDITION WHERE THE INDIRECT FUEL INJECTOR CAN BECOME STUCK IN THE CLOSED POSITION OR CAN HAVE LOW FLOW. THIS CONDITION COULD RESULT IN THE ILLUMINATION OF THE MALFUNCTION INDICATOR LIGHT (MIL). DEALERS ARE TO REPLACE THE INDIRECT FUEL INJECTOR AS NECESSARY WITH AN IMPROVED SERVICE PART.
10-08-110-001E2017-01-19. Service bulletin. EQUIPMENT. THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION ON THE PROPER USE OF FLOOR MATS.

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