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.
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Only bulletins with component: Electrical system are shown. Show all
| G-195878 | 2017-02-23. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. 14126A - SERVICE UPDATE (REVISED PROGRAMMING INFORMATION). THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO REPROGRAM THE INSTRUMENT PANEL CLUSTER ON CERTAIN VEHICLES. THESE VEHICLES MAY HAVE AN ODOMETER READING AT “PEEK IN” (I.E. DRIVER INFORMATION CENTER (DIC) SCREEN WHEN THE VEHICLE IS IN THE OFF POWER MODE BUT THE CLUSTER IS AWAKENED BY OPENING THE CAR DOOR OR USING THE KEY FOB) DOES NOT MATCH THE SEASON ODOMETER READING WHEN THE VEHICLE IS IN THE RUN POWER MODE. THE TRIP A/B AND FUEL ECONOMY DISPLAYS MAY ALSO BE INCORRECT. THIS CONDITION OCCURS, WHEN THE VEHICLE SITS FOR AN EXTENDED PERIOD OF TIME AND, NORMAL PARASITIC CURRENT DRAWS DEPLETE THE BATTERY STATE OF CHARGE TO LESS THAN 12 VOLTS AND, THE VEHICLE IS IN THE OFF POWER MODE WHEN THE CLUSTER IS AWAKENED AS DESCRIBED ABOVE. |
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| 14126B | 2017-02-06. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. 14126B - SERVICE UPDATE (REVISED PROGRAMMING INFORMATION). THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO REPROGRAM THE INSTRUMENT PANEL CLUSTER ON CERTAIN VEHICLES. THESE VEHICLES MAY HAVE AN ODOMETER READING AT “PEEK IN” (I.E. DRIVER INFORMATION CENTER (DIC) SCREEN WHEN THE VEHICLE IS IN THE OFF POWER MODE BUT THE CLUSTER IS AWAKENED BY OPENING THE CAR DOOR OR USING THE KEY FOB) DOES NOT MATCH THE SEASON ODOMETER READING WHEN THE VEHICLE IS IN THE RUN POWER MODE. THE TRIP A/B AND FUEL ECONOMY DISPLAYS MAY ALSO BE INCORRECT. THIS CONDITION OCCURS, WHEN THE VEHICLE SITS FOR AN EXTENDED PERIOD OF TIME AND, NORMAL PARASITIC CURRENT DRAWS DEPLETE THE BATTERY STATE OF CHARGE TO LESS THAN 12 VOLTS AND, THE VEHICLE IS IN THE OFF POWER MODE WHEN THE CLUSTER IS AWAKENED AS DESCRIBED ABOVE. |
| 14481 | 2017-02-03. Service bulletin. ELECTRICAL SYSTEM:WIRING. "14481 - SERVICE UPDATE. THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO INSPECT AND VERIFY THE INSTALLATION OF THE SPARK PLUG WIRES ON CERTAIN VEHICLES EQUIPPED WITH A GEN V GAS 5.3/6.2L V-8 OR 4.3L V-6 ENGINE (RPO L83/L86/LT1/LV3). THESE VEHICLES MAY HAVE LOOSE SPARK PLUG WIRES THAT ARE NOT SECURED AT THE SPARK PLUG OR COIL ATTACHMENT. LOOSE SPARK PLUG WIRES CAN CAUSE A MISFIRE CONDITION RESULTING IN P0300 DTC BEING SET WITH MIL (“SERVICE ENGINE SOON” LIGHT). CONTINUED OPERATION WITH THIS CONDITION COULD RESULT IN DAMAGE TO THE CATALYTIC CONVERTER." |
| 14284 | 2017-02-02. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES. 14284 - CUSTOMER SATISFACTION PROGRAM. CERTAIN VEHICLES EQUIPPED WITH THE AUXILIARY SWITCH BANK (RPO 9L7) MAY HAVE AN ELECTRICAL ISSUE CREATED WHEN ONE OR BOTH UPFITTER FUSES USED FOR THE INSTRUMENT PANEL MOUNTED AUXILIARY SWITCH BANK ARE MOVED FROM THE BATTERY FEED TO THE IGNITION FEED POSITION. IF THE FUSE POSITIONS ARE ALTERED, THE ENGINE COULD CONTINUE TO RUN AFTER THE IGNITION SWITCH IS TURNED OFF. THERE COULD ALSO BE AN INADVERTENT GLOWING OF THE AUXILIARY SWITCH INDICATORS, ADDITIONAL PARASITIC CURRENT DRAIN, OR A NO START CONDITION. DEALERS ARE TO REPLACE THE UNDERHOOD ELECTRICAL CENTER. |
| 14515 MESSAGE | 2017-02-02. 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". |
| 14725A | 2017-02-01. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM:WIRING. 14725A - SERVICE UPDATE (REVISED SERVICE INFORMATION). THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO TIE STRAP THE “MAIN” AND “BCM” BRANCHES OF THE BODY HARNESS (NEAR THE FRONT OF DASH PASS-THROUGH INSIDE THE VEHICLE) TOGETHER TO PREVENT THEM FROM COMING IN CONTACT WITH PARK BRAKE BRACKET ON CERTAIN VEHICLES. THESE VEHICLES MAY HAVE EXPOSED BODY HARNESS WIRES IN CLOSE PROXIMITY TO THE PARKING BRAKE BRACKET AT THE FRONT DASH PASS-THROUGH INSIDE THE VEHICLE. THE EXPOSED BODY HARNESS WIRES CAN RUB AGAINST OR BE PINCHED BY THE BRAKE BRACKET. WHILE THERE IS NO EVIDENCE OF THIS HAPPENING IN CUSTOMER VEHICLES, IF THE WIRES WERE TO BE SUFFICIENTLY DAMAGED FROM RUBBING AGAINST OR BEING PINCHED BY THE BRAKE BRACKET, CERTAIN ELECTRICAL SYSTEMS COULD BE AFFECTED. FOR EXAMPLE, SUFFICIENT DAMAGE TO THE WIRES COULD RESULT IN THE LOSS OF VARIOUS EXTERIOR LIGHTS, WIPERS, THE DRIVER’S AIRBAG TELLTALE LIGHT, THROTTLE CONTROL, DEFOG CONTROLS, OR TRAILER BRAKE CONTROLS. IN ADDITION, WHILE THERE IS NO EVIDENCE OF ANY STALLS RESULTING FROM THIS CONDITION, IT IS POSSIBLE THAT IF THE RUN/CRANK WIRE WAS SUFFICIENTLY DAMAGED, IT COULD RESULT IN AN ENGINE STALL. DEPENDING ON WHICH CIRCUIT IS DAMAGED, A TELLTALE OR DIC MESSAGE MAY BE DISPLAYED ALERTING THE CUSTOMER THAT AN ISSUE EXISTS. |
| 14281 | 2017-02-01. Service bulletin. SEATS; ELECTRICAL SYSTEM. 14281 - CUSTOMER SATISFACTION PROGRAM. CERTAIN 2014-2015 MODEL YEAR CHEVROLET SILVERADO, SUBURBAN, AND TAHOE MODEL VEHICLES AND 2014-2015 MODEL YEAR GMC SIERRA AND YUKON MODEL VEHICLES EQUIPPED WITH A DEALER INSTALLED REAR ENTERTAINMENT SYSTEM MAY HAVE A CONDITION IN WHICH THE REAR SEAT ENTERTAINMENT SYSTEM IN VEHICLES WAS RELEASED AS A DEALER ACCESSORY BEFORE FINAL GENERAL MOTORS VALIDATION APPROVAL. VALIDATION APPROVAL AT GM REQUIRES VERY RIGOROUS TESTING PRIOR TO RELEASE, WHICH, IN MANY CASES, GOES BEYOND WHAT IS REQUIRED TO COMPLY WITH GOVERNMENTAL SAFETY STANDARDS. THESE VEHICLES, AS EQUIPPED, STILL MEETS ALL FEDERAL MOTOR VEHICLE SAFETY STANDARDS. DEALERS ARE TO REMOVE AND REPLACE THE HINGED SCREEN STYLE REAR SEAT ENTERTAINMENT SYSTEM, WITH A REVISED SYSTEM FEATURING AN INTEGRAL SCREEN. |
| 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. |
| PIT5457A | 2016-11-03. Service bulletin. ELECTRICAL SYSTEM. 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. |
| PIT5307C | 2016-11-03. Service bulletin. ELECTRICAL SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE THE CONCERN WHEN THE VEHICLE HA SA SERVICE ENGINE SOON LIGHT, ANTILOCK BRAKING SYSTEM LIGHT OR SERVICE SUSPENSION MESSAGE, MISFIRE, HESITATION, NO CRANK, AIR CONDITIONING INOPERATIVE. |
| PIT5288D | 2016-11-03. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE THE CONCERN. CUSTOMER'S POSSIBLE CONCERNS ARE: REMOTE KEYLESS ENTRY INOPERATIVE, PASSIVE ENTRY AND START INOPERATIVE, NO FOB DETECT MESSAGE ON DRIVERS INFORMATION CENTER, SERVICE TIRE PRESSURE SYSTEM, NO AUDIO, TOUCH SCREEN INOPERATIVE, OR RADIO AND/OR DRIVERS INFORMATION CENTER DISPLAY BLANK INOPERATIVE. |
| PIP5308A | 2016-11-03. Service bulletin. ELECTRICAL SYSTEM; 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. |
| PIP5189B | 2016-11-01. Service bulletin. ELECTRICAL SYSTEM; ENGINE. 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. |
| PIP5168E | 2016-11-01. Service bulletin. ELECTRICAL SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE THE CONCERN, AND THE STEPS TO REPAIR THE CONCERN OF THE VEHICLE CRANKS BUT DOES NOT START. THE TECHNICIAN IS TO INSPECT FOR A SHEARED CAM PIN IN THE ENGINE. |
| PIC6198A | 2016-11-01. Service bulletin. ELECTRICAL SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON STEPS TO PERFORM TO DETERMINE IF THE CUSTOMER'S BATTERY DRAIN CONCERN IS BEING CAUSED BY A KNOWN CONCERN WITH BLUETOOTH CALL TRANSFER OPERATION WHEN EXITING THE VEHICLE. IF THE CONCERN IS DUPLICATED AT THE DEALER WITH THE ONSTAR LED IS STILL GREEN AFTER THE VEHICLE IS TURNED OFF AND THE BLUETOOTH CALL WAS DISCONNECTED. DEALER SHOULD ADVISES THAT ENGINEERING IS AWARE OF THE CONCERN AND IS CURRENTLY INVESTIGATING THE ISSUE. |
| PIC4935E | 2016-10-25. Service bulletin. 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. |
| 14284A | 2016-10-24. Service bulletin. ELECTRICAL SYSTEM. 14284A – CUSTOMER SATISFACTION PROGRAM (POPULATION INCREASED, EXPIRATION DATE EXTENDED, PART INFORMATION REVISED). VEHICLES VEHICLES EQUIPPED WITH THE AUXILIARY SWITCH BANK OPTION MAY HAVE AN ELECTRICAL ISSUE CREATED WHEN ONE OR BOTH UPFITTER FUSES USED FOR THE INSTRUMENT PANEL MOUNTED AUXILIARY SWITCH BANK ARE MOVED FROM THE BATTERY FEED TO THE IGNITION FEED POSITION. IF THE FUSE POSITIONS ARE ALTERED, THE ENGINE COULD CONTINUE TO RUN AFTER THE IGNITION SWITCH IS TURNED OFF. THERE COULD ALSO BE AN INADVERTENT GLOWING OF THE AUXILIARY SWITCH INDICATORS, ADDITIONAL PARASITIC CURRENT DRAIN, OR A NO START CONDITION. DEALERS ARE TO REPLACE THE UNDERHOOD ELECTRICAL CENTER. |
| PIT5221A | 2016-10-24. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:APPLIANCE:AIR CONDITIONER. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLE THAT HAVE A SERVICE TRAILER BRAKE MESSAGE ON THE DRIVER INFORMATION CENTER. TECHNICIAN MAY FIND DIAGNOSTIC TROUBLE CODE C111B, C1112, C1113, AND/OR C1114 SET. TECHNICIAN SHOULD CHECK THE BATTERY STATE OF HEALTH SHOULD BE CHECKED USING THE EL-50313 MIDTRONICS® GR8 BATTERY CHARGER/TESTER BEFORE ANY IN DEPTH DIAGNOSTICS. |
| PIT5522 | 2016-10-24. Service bulletin. ELECTRICAL SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT WHEN PROGRAMING THE IMMOBILIZER THEFT LEARN IT MAY NOT COMPLETE AND/OR SHOW "CONTROLLER ID NOT SUPPORTED" AFTER THE FIRST FEW MINUTES INTO THE LEARN EVENT. TECHNICIAN WILL NEED TO REMOVE POWER FROM THE ONSTAR MODULE BEFORE PERFORMING A IMMOBILIZER THEFT LEARN. |
| PIT5518 | 2016-10-24. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES THE TECHNICIAN ABOUT VEHICLES WITH DIAGNOSTIC TROUBLE CODE P0602 SET IN THE CHASSIS CONTROL MODULE. TECHNICIAN WILL REMOVE FUSE 19 (F19UA) FROM THE UNDER HOOD FUSE BLOCK AND DISCARD. ON SOME VEHICLES WHEN AN AFTERMARKET OR GM ACCESSORY TRAILER BRAKE CONTROLLER IS INSTALLED, IT MAY BE NOTICED THAT THERE IS NO OUTPUT TO THE 7-WAY TRAILER CONNECTOR IN THE BUMPER FOR THE TRAILER BRAKES. AT THIS TIME TECHNICIAN WILL NEED TO FOLLOW THE LATEST VERSION OF PIT5282. |
| PIT5445A | 2016-10-24. Service bulletin. ELECTRICAL SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN OF ADDITION INFORMATION WHEN DIAGNOSING A SERVICE DRIVER ASSIST MESSAGE WITH A DIAGNOSTIC TROUBLE CODE B172E AND OR A B172F. THE HAPTIC SEAT MOTOR HAS A PIGTAIL LEAD COMING OFF OF IT. IN MANY CASES THE WIRING PIGTAIL NEAR THE HAPTIC SEAT MOTOR HAS BROKEN AND WILL REQUIRE REPLACEMENT. |
| PIT5391B | 2016-10-21. Service bulletin. ELECTRICAL SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON HOW TO DIAGNOSE AND REPAIR VEHICLES THAT HAVE A NO CRANK OR A START AND THEN IMMEDIATE STALL, SERVICE ENGINE SOON MALFUNCTION INDICATOR LAMP MAY NOT BE ON WHEN THE IGNITION IS IN THE RUN POSITION. TECHNICIAN MAY FIND DIAGNOSTIC TROUBLE CODES P0513 AND OR P262B MAY ALSO BE SET. TECHNICIAN WILL PULLED THE DRIVER SILL PLATE AND INSPECT THE WIRING FOR DAMAGED OR CORRODED CIRCUITS. TECHNICIAN WILL REPAIR ANY DAMAGED OR CORRODED CIRCUITS. |
| PIT5359A | 2016-10-21. Service bulletin. ELECTRICAL SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE A RADIO BACKLIGHTING WILL STAY ON EVEN AFTER THE IGNITION HAS BEEN TURNED OFF AND THE KEY HAS BEEN REMOVED FOR SEVERAL MINUTES, EVENTUALLY THE BATTERY WILL DRAIN. TECHNICIAN MAY FIND FOLLOWING FUSES F23DL F22DL F30DL F31DL F32DL WITH THE IGNITION KEY IN THE OFF POSITION TO HAVE VOLTAGE. TECHNICIAN SHOULD NOT REPLACE THE TRANSFER CASE CONTROL MODULE. TECHNICIAN WILL NEED TO INSTALL A DIODE, PART NUMBER 12112422, ACROSS THE COIL OF THE SOLENOID. IT IS IMPORTANT THAT THE STRIPED END OF THE DIODE BE CONNECTED TO THE POSITIVE TERMINAL OF THE COIL AND THE OTHER END OF THE DIODE BE CONNECTED TO GROUND. |
| PIT5308A | 2016-10-21. Service bulletin. ELECTRICAL SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR VEHICLES THAT HAVE REMOTE START IS INOPERATIVE, POWER LIFT-GATE REGULAR PRODUCTION OPTION CODE (TB5) IS INOPERATIVE WITH THE IGNITION OFF, AND VEHICLES EQUIPPED WITH THE DIESEL ENGINE, THE BLOWER MOTOR MAY STAY ON AFTER THE ENGINE IS TURNED OFF. TECHNICIAN MAY FIND DIAGNOSTIC TROUBLE CODE P2537 SET. TECHNICIAN WILL NEED TO USE A VOLTMETER AND CHECK CIRCUIT 5985 AT THE ENGINE CONTROL MODULE AND TRANSMISSION CONTROL MODULE. IF NO OR LOW VOLTAGE IS FOUND, USE THE WIRING DIAGRAM IN SERVICE INFORMATION AND PERFORM NORMAL CIRCUIT DIAGNOSIS. TECHNICIAN WILL NEED TO INSPECT FOR HIGH RESISTANCE OR OPEN IN CIRCUIT 5985 IS UNDER THE DRIVER’S SILL PLATE AND REPAIR AS NEEDED. |
| PIT5307D | 2016-10-21. Service bulletin. ENGINE; ELECTRICAL SYSTEM; SUSPENSION. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE A SERVICE ENGINE SOON MALFUNCTION INDICATOR LAMP, ANTILOCK BRAKING SYSTEM MALFUNCTION INDICATOR LAMP, SERVICE SUSPENSION SYSTEM MESSAGE, MISFIRE, HESITATION, NO CRANK, HEATER-VENT-AIR CONDITIONING INOPERATIVE. TECHNICIAN MAY FIND F11UA, F104UA, F35UA, AND OR F60UA BLOWN. TECHNICIAN SHOULD INSPECT THE ENGINE HARNESS NEAR THE VACUUM PUMP PULLEY TO BE CHAFING. TECHNICIAN WILL NEED TO REROUTE THE WIRE HARNESS AND REPAIR AND DAMAGED WIRES. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.