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Service bulletins for the 2015 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.

3109 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
PIP5089A2017-08-15. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code C0569 that will not clear. Technician should be advised if there are any issues with the rotational position sensor, incremental position sensor, encoder motor, motor A or B circuits, rotational position sensor or incremental position sensor circuits when the transfer case control module attempts to determine location the location cannot be determined correctly.
PIT5241A2017-08-15. Service bulletin. ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL. This Preliminary Information communication provides information to the technician about customers that may request the factory Integrated Trailer Brake Controller Regular Production Option Code (JL1) be installed on their Full-Size Pickup or SUV when the vehicle was not ordered with the option. Dealer should advise the customer it cannot be added to the vehicle.
PIC5491E2017-08-15. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:SOFTWARE. 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.
PIC3011H2017-08-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This Preliminary Information communication provides information to the technician about vehicles that have the OnStar system does not respond properly to some numbers and/or voice commands. Dealer should direct the customer to review the operational characteristics in the OnStar Users Guide.
PIP51842017-08-15. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:SOFTWARE. This Preliminary Information communication advises the technician that when replacing the camshaft part number 12626660. Technician will need to ensure that the date code and the finish of the camshaft. If the cam is discolored or has chatter marks, have parts department send the cam back as (MR code7) new defective.
PIP51822017-08-15. Service bulletin. ELECTRICAL SYSTEM; ENGINE. This Preliminary Information communication advises the technician that the 2015 Chevrolet Silverado and 2015 GMC Sierra equipped with the 6.6L Diesel Engine Control Module part number 12658036 will be placed on a parts restriction through the General Motors Product Quality Center. Dealer will need to contact General Motors Product Quality Center for further assistance.
PIT5240B2017-08-15. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:APPLIANCE:AIR CONDITIONER. This Preliminary Information communication provides information to the technician about systems operate during a remote vehicle start event. Dual Zone Auto Regular Production Option Code (CJ2) Heater-Vent-Air Conditioning settings the Heater-Vent-Air Conditioning settings will remain set to the previous Heater-Vent-Air Conditioning settings when the ignition was turned off. Single Zone Manual Regular Production Option Code (C67) HVAC settings the Heater-Vent-Air Conditioning settings will remain set to the previous Heater-Vent-Air Conditioning settings when the ignition was turned off. The Rear window defogger during a remote start event, the rear window defogger will turn on if the outside temperature is 44 degrees Fahrenheit (7 degrees Celsius) or below. The heated seats will not turn on if a Remote Vehicle Start event is performed within 2 hours of shutting the engine off. The cooled seats will turn to the high setting when the ambient temperature is above 80 degrees Fahrenheit (27 degrees Celsius). Heated steering wheel will not turn on during Remote Vehicle Start event.
PIT5233A2017-08-15. Service bulletin. STEERING; ELECTRICAL SYSTEM:IGNITION; ELECTRICAL SYSTEM. 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.
PIP5130C2017-08-15. Service bulletin. ENGINE; FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician how to diagnose and repair vehicles with an engine that runs with an intermittent crank no start with a Diagnostic Trouble Code P0011 or P00C6 current or history. Technician will need to use Global Diagnostic System 2 to actuate the cam phaser solenoid 4 or 5 times then try starting the vehicle. Then disable the ignition and fuel system. After the ignition and fuel system are disabled try to start the engine. Technician can now unplug the camshaft actuator to perform the following. Install a 20A fused jumper wire between the terminal 2 and 12V. Tickle/tap the low reference terminal 1 to ground on the cam actuator magnet, while cranking the engine over. When the engine starts and runs the cam actuator or oil control valve does not need to be replaced.
PIC5374C2017-08-15. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). This Preliminary Information communication provides information to the technician about vehicles that have a frequent "off route" messages while following Turn by Turn route. Technicians will need to remove power from the Vehicle Communication Interface Module for one hour and retest for the concern.
PIT4864F2017-08-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This Preliminary Information communication provides information to the technician about a customer?s request to install OnStar Bluetooth. Dealer should be advised at this time, there are no provisions to add this option to vehicles that were not built with it.
PIC4801F2017-08-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have an OnStar Turn-By-Turn Navigation the system that is inoperative. Technician verifies there are no Diagnostic Trouble Codes are present in the Antilock Braking System and Vehicle Communication Interface Module of the vehicle. If no Diagnostic Trouble Codes found call OnStar using the Blue button on the OnStar key pad and ask the advisor for a turn by turn route. Also make a OnStar personal call and a call into the vehicle. If normal diagnostics do not lead to a resolution technician will need to call General Motors Technical Assistance Center for further assistance.
PIC5991A2017-08-15. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that have the outgoing end of a Bluetooth call may have static that lasts for a short period of time when beginning a Bluetooth call, or when transferring a phone call from a handset to handsfree using the vehicle?s Bluetooth. Dealer should advise the customer the first 5-10 seconds of audio quality after the transfer can be "poor" on the outbound side. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle.
PIP51932017-08-15. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:WIRING. This Preliminary Information communication provides information to the technician about vehicles that may have a low coolant light and/or Driver Information Center message may come on with the coolant level at the correct level. Technician will need to inspect and repair any damage wires any the reservoir connector. If the sensor connection and terminals are okay follow any Service Information documents that pertain to this concern.
PIC59912017-08-15. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that have the outgoing end of a Bluetooth call may have static that lasts for a short period of time when beginning a Bluetooth call, or when transferring a phone call from a handset to handsfree using the vehicle?s Bluetooth. Dealer should advise the customer the first 5-10 seconds of audio quality after the transfer can be "poor" on the outbound side. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle.
PIC5491F2017-08-15. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. 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.
PIT52742017-08-15. 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.
PIP4138P2017-08-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE. This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on, engine misfire, and/or engine noise. Technician may find Diagnostic Trouble Codes P0300-P0308. If published Service Information diagnostics does not isolate the cause of this concern technician should check for a worn camshaft lobe and/or lifter roller, a sticking valve, valve leakage, a broken valve spring, and a collapsed active fuel management lifter.
PIT5507B2017-08-15. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that may have a diagnostic trouble code U0159 set in the instrument panel cluster and /or the body control module. For vehicles equipped with Ultrasonic Park Assist System Regular Production Option Code UD5 or UD7 technician will use Service Programming System to reprogram the Parking Assist Control Module to correct this concern. Technician will need to inspect the front park assist sensors scallops/reliefs molded into the ring if previously replaced. Technician will need to replace the sensor rings with part number 84075328.
PIC5492E2017-08-15. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D-37 history in the Vehicle Communication Interface Module or telematics communication interface control module. Engineering has determined that this code will only display in history on the scan tool and will not cause issues with OnStar system operation.
PIT5391C2017-08-15. 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.
PIT5326A2017-08-15. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about the Upfitters questions about installing aftermarket electrical accessories. Dealer should reference the latest version of General Motors Upfitter Integration Bulletin 115 for this information. It can be found at http://www.gmupfitter.com.
PIT5384B2017-05-24. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:SOFTWARE. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE THE ONSTAR WIRELESS FIDELITY INOPERATIVE. TECHNICIAN WILL NEED TO CONTACT GENERAL MOTORS TECHNICAL ASSISTANCE CENTER WITH A SCAN TOOL CONNECT TO THE VEHICLE FOR FURTHER ASSISTANCE.
PIT5241D2017-05-23. Service bulletin. ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT CUSTOMERS THAT MAY REQUEST THE FACTORY INTEGRATED TRAILER BRAKE CONTROLLER REGULAR PRODUCTION OPTION CODE (JL1) BE INSTALLED ON THEIR FULL-SIZE PICKUP OR SUV WHEN THE VEHICLE WAS NOT ORDERED WITH THE OPTION. DEALER SHOULD ADVISE THE CUSTOMER IT CANNOT BE ADDED TO THE VEHICLE.
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.

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