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.
By type
By component
By trouble code
By topic
Only bulletins with component: Wiring and fuses are shown. Show all
| PIT5288A | 2017-08-15. Service bulletin. ELECTRICAL SYSTEM:WIRING; EQUIPMENT:ELECTRICAL. This Preliminary Information communication provides information to the technician about vehicles that may have any of these concerns remote keyless entry, passive Entry and Start Inoperative, No Fob detect message on driver information center, service tire pressure system, no audio, touch screen Inoperative, Steering Wheel Controls Inoperative, Service Stabilitrak, rear power windows inoperative, rear wiper inoperative, and or a dead battery. Technician may find Diagnostic Trouble Codes B3101, B144C, C0710, C0544, U1548, U1549, U154A, U0151, U0126, U0415, U0077, U0028 and/or U0029. Technician should inspect the left instrument panel for the wire harness being pinched. Technician will need to repair the wire harness and reroute the wire harness. |
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| PIT5274 | 2017-08-15. Service bulletin. ELECTRICAL SYSTEM:WIRING; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Preliminary Information communication advises the technician on the location of the blunt cut wires for the roof beacon light. Technician can find the wires located directly above the overhead roof console. |
| PIT5391C | 2017-08-15. Service bulletin. ENGINE; ELECTRICAL SYSTEM:WIRING. 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. |
| 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." |
| 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. |
| PIT5311B | 2016-09-21. 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. |
| PIT5222 | 2016-04-26. Service bulletin. ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| PIT5224 | 2016-04-26. Service bulletin. ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| PIT5224A | 2016-04-26. Service bulletin. ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS. SUMMARY TO BE PROVIDED ON A FUTURE DATE. |
| PIT-5311 | 2014-11-08. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM:WIRING; ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL. GMC/CHEVROLET: TRUCKS WITH INTEGRATED TRAILER BRAKE CONTROLLER (ITBC) MAY RECEIVED AN INTERMITTENT CHECK TRAILER WIRING, AND/OR SERVICE TRAILER BRAKE MESSAGE WITH DIAGNOSTIC TROUBLE CODE (DTC) C1114 AND HAVE ITBC CONNECTION CHECKED. MODEL 2014 SILVERADO 1500, SIERRA 1500, 2015 SILVERADO, SUBURBAN, TAHOE, SIERRA, YUKON MODELS. *PE |
| PIT-5307 | 2014-11-08. Service bulletin. ELECTRICAL SYSTEM:WIRING; ENGINE. CHEVROLET/GMC: THE ENGINE HARNESS IS RUBBING ON ENGINE VACUUM PUMP PULLEY AND CAUSING A NO CRANK ISSUES AND OTHER DIAGNOSTIC TROUBLE CODES (DTCS). MODEL 2014 SILVERADO 1500, SIERRA 1500. *PE |
| PB-14166 | 2014-09-18. Service bulletin. ELECTRICAL SYSTEM:WIRING; AIR BAGS:FRONTAL. CHEVROLET/GMC: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. THE WIRING HARNESS CONNECTORS, ON DRIVER AND PASSENGER SEAT SIDE IMPACT AIRBAG (SIAB), HAS A HIGH RESISTANCE THAT IS INTERPRETED AS A FAULT, BY VEHICLE SENSING DIAGNOSTIC MODULE (SDM) AND ILLUMINATE AIRBAG READINESS LIGHT AND MAY NOT DEPLOY. MODEL 2014 SILVERADO 1500, SIERRA 1500. *PE UPDATED 11/12/14. *PE |
| PIT-5274 | 2014-07-31. Service bulletin. ELECTRICAL SYSTEM:WIRING; STRUCTURE:BODY:ROOF AND PILLARS. CHEVROLET/GMC: ON SOME TRUCKS, TROUBLE LOCATING THE TWO BLUNT CUT WIRES, FOR ROOF BEACON LIGHT, WHICH IS DIRECTLY ABOVE OVERHEAD CONSOLE AND TAPED TO HARNESS. MODEL 2014-2015 SILVERADO, SILVERADO 1500, SIERRA, SIERRA 1500. *PE |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.