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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

Bulletins, newest first
PIT52342017-08-15. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM:IGNITION:MODULE; ELECTRICAL SYSTEM:IGNITION:SWITCH. This Preliminary Information communication provides information to the technician about vehicles that have an ignition key cannot be turned. Technician will need to insert the key and measure the gap from the key to the cylinder. If the key is not going in fully the ignition lock cylinder will need to be replaced. Also obtain a new key that is cut to the vehicle. Technician will need to shorten the key shank by grinding or cutting 6-7 millimeter (1/4 inch) off the tip of the key, and then bevel the tip of the key. Now the technician can install the new ignition lock cylinder.
PIP5109C2017-08-15. Service bulletin. ENGINE; ELECTRICAL SYSTEM. This Preliminary Information communication advises the technician that the Engine Control Module part number 12656993 will be placed on restriction through the General Motors Product Quality Center. Dealer will need to contact General Motors Product Quality Center for further assistance.
PIT5219A2017-08-15. Service bulletin. ELECTRICAL SYSTEM; EXTERIOR LIGHTING:FOG LIGHTS; ELECTRICAL SYSTEM:SOFTWARE. This Preliminary Information communication provides information to the technician about vehicles that have Diagnostic Trouble Codes B2600 Sym 04 and B2605 Sym 04 set in the Body Control Module. Technician will need to reprogram the Body Control Module with the latest calibrations in Tis2Web.
PIT5224A2017-08-15. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; EQUIPMENT; EQUIPMENT:OTHER:LABELS. This Preliminary Information communication provides information to the technician that after inspecting the Left and/or Right Instrument Panel Fuse Block Labels, it may be noted the numbering is incorrect. Technician will need to replace the Fuse Block Labels with the correct part numbers.
PIT52332017-08-15. Service bulletin. ELECTRICAL SYSTEM; STEERING: STEERING WHEEL/HANDLE BAR; ELECTRICAL SYSTEM:IGNITION. This Preliminary Information communication provides information to the technician about vehicles that may have hard or unable to rotate ignition key concern. When the concern is present the steering wheel will need to be rotated in either direction to alleviate the pressure between the steering column lock pin and lock plate. Please communicate to the customer this condition is a normal operating characteristic of their vehicle.
PIP5147A2017-08-15. Service bulletin. ELECTRICAL SYSTEM:IGNITION; ENGINE. This Preliminary Information communication provides information to the technician about vehicles that have an engine misfire. Technician may find Diagnostic Trouble Codes P0351-P0358, P2300, P2301, P2303, P2304, P2306, P2307, P2309, P2310, P2312, P2313, P2315, P2316, P2318, P2319, P2321, or P2322. Technician will need to inspect the coil connectors for clear water and/or a discolored connector. Technician will need to replace the Ignition Coil with the concern.
PIT52322017-08-15. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician the steps to diagnose and repair the concern of the display is showing 32° F (0° C) after a battery or reprogramming a module. The outside temperature will begin to update if driven above 20 mph for at least 5 minutes. If the vehicle speed drops below 20 mph, the timer will reset and the display will stop updating. Once the display starts to update it may take several more minutes of driving above 20 mph for the display to fully update. Also if the vehicle is shut off for more than 8 hours the display will update when the ignition is turned on.
PIC5491C2017-08-15. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that have an OnStar system that will not power up. Technician should turn off the ignition and cancel retained accessory power. After the vehicle has powered down, remove power to the OnStar module for five minutes. After the power has been removed for five minutes, if the OnStar system is working release the vehicle. If the OnStar system is still inoperative continue with published Service Information diagnostics. Technician may need to contact General Motors Technical Assistance Center depending on the STID, Station ID, or OnStar Customer Identifier.
PIP5149A2017-08-15. Service bulletin. ENGINE; ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find P0324 Diagnostic Trouble Code set. Technician will need to remove the oil pan and inspect the oil squirters for contact. If contact is noted the dealer needs to call General Motors Product Quality Center for a replacement engine.
PIT52302017-08-15. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This Preliminary Information communication provides information to the technician about vehicles that have a Timeshift audio is skipping/choppy, Timeshift is inoperative, No audio is heard after a Bluetooth or OnStar call, iPod audio is skipping/choppy, the dismiss button for the "Bluetooth Phone Connected" message is missing, certain audio tones cannot be heard, and audio is inoperative on one side of the vehicle. Technician will update the radio using Tis2Web with the latest software.
PIP5007C2017-08-15. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; ENGINE; ELECTRICAL SYSTEM. This Preliminary Information communication advises the technician that vehicles with engine Regular Production Option Code LGH or LML may have an Exhaust Fluid Quality Poor message displayed on the Driver Information Center. Technician will need to complete the current Service Information diagnostic for any current Diagnostic Trouble Codes or symptoms found. If an Exhaust Fluid Quality Poor message is displayed with a specific Diagnostic Trouble Code, use that specific Service Information diagnostic, and repair the vehicle as necessary. If the dealer has found an Exhaust Fluid Quality Poor message with no Diagnostic Trouble Code, diagnose the condition using the current Service Information diagnosis for Diagnostic Trouble Code P20EE / P207F (P2BAD for 2012 and newer model years). After making repairs use the Service Information Document titled "Reductant Fluid Quality Test (With or without Diagnostic Trouble Codes)" to evaluate and clear the Exhaust Fluid Quality Poor Driver Information Center message.
PIC5891A2017-08-15. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Preliminary Information communication provides information to the technician about vehicles that the voice recognition is inoperative. Technician will need to toggle through all languages then back to the desired language.
PIP5143B2017-08-15. Service bulletin. ENGINE; ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that have a lifter noise and or Service Engine Soon Malfunction Indicator Lamp on. Technician may find a Diagnostic Trouble Code P0300 set. Technician should check Tis2Web for any applicable Engine Control Module calibrations after any repair of the engine with a collapsed intake lifter on an Active Fuel Management cylinder.
PIT4911U2017-08-15. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM. This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, display, and Media Disc Players are placed on restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
PIT52282017-08-15. Service bulletin. ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL. This Preliminary Information communication provides information to the technician about customer that want an aftermarket trailer brake controller or where the harness is located. To connect a trailer brake controller, a harness is needed that will plug into the X6 position of the Left Instrument Panel Junction Block (X61A), located under driver?s side dash near the parking brake pedal assembly.
PIP5143A2017-08-15. Service bulletin. ENGINE; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that have a lifter noise and or Service Engine Soon Malfunction Indicator Lamp on. Technician may find a Diagnostic Trouble Code P0300 set. Technician should check Tis2Web for any applicable Engine Control Module calibrations after any repair of the engine with a collapsed intake lifter on an Active Fuel Management cylinder.
PIT52262017-08-15. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY:GLASS, SIDE/REAR. This Preliminary Information communication provides information to the technician about vehicles that the rear sliding glass being inoperative or noisy when operated. Technician should replace the rear sliding window regulator assembly.
PIP5109A2017-08-15. Service bulletin. ENGINE; ELECTRICAL SYSTEM. This Preliminary Information communication advises the technician that the Engine Control Module part number 12656993 will be placed on restriction through the General Motors Product Quality Center. Dealer will need to contact General Motors Product Quality Center for further assistance.
PIC59042017-08-15. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that the OnStar system will not connect. Technician should record module info per the latest version of PIC4310 and contact General Motors Technical Assistance Center.
PIP51472017-08-15. Service bulletin. ELECTRICAL SYSTEM; ENGINE. This Preliminary Information communication provides information to the technician about vehicles that have an engine misfire. Technician may find Diagnostic Trouble Codes P0351-P0358, P2300, P2301, P2303, P2304, P2306, P2307, P2309, P2310, P2312, P2313, P2315, P2316, P2318, P2319, P2321, or P2322. Technician will need to inspect the coil connectors for clear water and/or a discolored connector. Technician will need to replace the Ignition Coil with the concern.
PIT52242017-08-15. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician that after inspecting the Left and/or Right Instrument Panel Fuse Block Labels, it may be noted the numbering is incorrect. Technician will need to replace the Fuse Block Labels with the correct part numbers.
PIP51412017-08-15. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code P06DD set with no drivability concerns. If only Diagnostic Trouble Code P06DD is set with no other Diagnostic Trouble Codes gather data using Global Diagnostic System 2 and contact General Motors Technical Assistance Center for further assistance.
PIT52222017-08-15. Service bulletin. SEATS; ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that have the Center Seat Accessory Power Outlet (X80E) is inoperative. Technician will need to inspect for a short to ground on circuit 850 near the left pivot for the center seat armrest.
PIT52192017-08-15. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that have Diagnostic Trouble Codes set in the Body Control Module. Technician should be advised that engineering is aware of this issue and a fix should be available shortly.
PIP4560Q2017-08-15. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. This Preliminary Information communication advises the technician that the Allison Transmission Control Module Part Restriction through the General Motors Product Quality Center. Dealer will need to contact General Motors Product Quality Center for further assistance.

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