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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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By component

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Only bulletins with component: Driver assistance are shown. Show all

Bulletins, newest first
PIT5698B2021-09-13. Service bulletin. ELECTRICAL SYSTEM:ADAS:BLINDSPOT:SENSORS. This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus.
PI1187C2021-09-07. Service bulletin. FORWARD COLLISION AVOIDANCE: SENSING SYSTEM: CAMERA; BACK OVER PREVENTION; VISIBILITY:REARVIEW MIRRORS/DEVICES:INTERIOR. Information on Inside Rear view Mirror and Camera Loose
PIT5403H2021-06-14. Service bulletin. ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); SUSPENSION. This Preliminary Information communication provides information to the technician with the steps to diagnosis and repair vehicles with various handling, vehicle dynamics concerns, noises from the suspension or underbody, or issues related to damaged suspension components. Before any in-depth diagnostics are performed, be aware that various issues could occur if the vehicle has been modified and inform the customer the conditions noted may not be covered under warranty. Technician will inspect for installed aftermarket suspension components. Also inspect for improperly adjusted torsion bars.
PIT4322L2021-06-14. Service bulletin. ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC). This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Technician may find a Diagnostic Trouble Code C0710. Technician should inspect for vehicles modifications before any in-depth diagnostics are performed.
PI1159A2021-04-29. Service bulletin. EQUIPMENT:ELECTRICAL:AUX AUDIO JACK/PLUG; ELECTRICAL SYSTEM:ADAS:HUD:CAMERA/SENSOR; EQUIPMENT:APPLIANCE:AIR CONDITIONER; EQUIPMENT. No XM Audio, Rear View Camera Issues, Favorite Stations Stored Twice and/or Disappear Condition/Concern • No audio on startup in XM. • iPhone does not detect if user disconnects iPhone during certification process. • When receiving an incoming call through OnStar Hands Free Calling system, the vehicle does not ring. It will show on the screen. • FM Timeshift not functioning properly. • HD Switching Toggle Setting does not function. • Favorites stored Twice or disappear. • Noise is played during the TimeShift recoding. • A/C Mode icon is displayed when vehicle is not equipped with A/C. • The folder track is not played when the folder is pressed for a long time. • Missing Forward Collision Warning Chime on vehicles base audio system, Forward Collision Alert and/or Adaptive Cruise. • Long press of the knob when highlighting a browse folder, sometime changes the media source from SD card to USB and when user releases the push knob, it brings the Media Menu back instead of showing the now playing screen for USB and SD card. • The USB only works with Apple products (iPhone). • Rear View Camera Issues: • When shifting from Drive to Reverse is less than 3 seconds, the display will not transition to the rear view camera screen. • When shifting from Drive to Reverse is more than 3 seconds, the display may be blank and will not show the rear view camera message “Check Surrounding for Safety.”
PI11592021-04-29. Service bulletin. ELECTRICAL SYSTEM:ADAS:HUD:CAMERA/SENSOR; ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:AUX AUDIO JACK/PLUG; EQUIPMENT:APPLIANCE:AIR CONDITIONER. No XM Audio, Rear View Camera Issues, Favorite Stations Stored Twice and/or Disappear Condition/Concern • No audio on startup in XM. • iPhone does not detect if user disconnects iPhone during certification process. • When receiving an incoming call through OnStar Hands Free Calling system, the vehicle does not ring. It will show on the screen. • FM Timeshift not functioning properly. • HD Switching Toggle Setting does not function. • Favorites stored Twice or disappear. • Noise is played during the TimeShift recoding. • A/C Mode icon is displayed when vehicle is not equipped with A/C. • The folder track is not played when the folder is pressed for a long time. • Missing Forward Collision Warning Chime on vehicles base audio system, Forward Collision Alert and/or Adaptive Cruise. • Long press of the knob when highlighting a browse folder, sometime changes the media source from SD card to USB and when user releases the push knob, it brings the Media Menu back instead of showing the now playing screen for USB and SD card. • The USB only works with Apple products (iPhone). • Rear view camera issues.
PI1187C2021-04-21. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES; ELECTRICAL SYSTEM:ADAS:DRIVER MONITORING:CAMERA/SENSOR. Information on Inside Rear View Mirror and Camera Loose Some customers may comment that the inside rear view mirror or front camera is loose or that the mirror/camera mounting bracket is loose or has fallen off. If a vehicle is encountered with the above condition, do not attempt to reinstall the bracket onto the windshield. The above listed vehicles have a revised bracket design that is not serviceable. It is necessary to replace the windshield glass assembly. The bracket comes installed on the new glass assembly. Refer to Windshield Replacement in SI.
PIT5386F2021-02-16. Service bulletin. ELECTRICAL SYSTEM; BACK OVER PREVENTION. This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. On trucks equipped with the Back Up Alarm (RPO 8S3), the alarm will be intentionally left disconnected from the assembly plant. Technician will reroute the harness and plug it in.
PIT5387J2021-02-16. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; BACK OVER PREVENTION:SOFTWARE; BACK OVER PREVENTION:DISPLAY FUNCTION. This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection dropped, the radio station or volume changes when operating the snow plow. Please advise the customer that engineering is aware of this concern and working on this issue.
PIT5386F2021-01-25. Service bulletin. ELECTRICAL SYSTEM; BACK OVER PREVENTION. This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. On trucks equipped with the Back Up Alarm (RPO 8S3), the alarm will be intentionally left disconnected from the assembly plant. Technician will reroute the harness and plug it in.
PIT4322K2020-05-11. Service bulletin. ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC). This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Technician may find a Diagnostic Trouble Code C0710. Technician should inspect for vehicles modifications before any in-depth diagnostics are performed.
150601002I2020-04-27. Service bulletin. BACK OVER PREVENTION; ENGINE. This technical bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL Illuminated.
PIT5552D2020-04-13. Service bulletin. BACK OVER PREVENTION. This Preliminary information communicates repair information for the rear vision camera or surround vision camera image being: - Yellow - Blurry - Distorted - Image scrolling - Image with NO gridlines - Screen is blue with gridlines - Screen is blue with Service Rear Vision System message
PIT5535E2019-11-12. Service bulletin. LANE DEPARTURE. This Preliminary Information communication provides information to the technician about vehicles that may have Service Front Camera, Service Lane Departure Warning, and Service Lane Keep Assist Message. Technician may find Diagnostic Trouble Code B1008 Sym 4B set. Technician will need to check the windshield to ensure it is not aftermarket. Technician will also check for anything that may impair the front view camera and ensure the camera is properly mounted.
PIT5535D2019-08-12. Service bulletin. LANE DEPARTURE. This Preliminary Information communication provides information to the technician about vehicles that may have Service Front Camera, Service Lane Departure Warning, and Service Lane Keep Assist Message. Technician may find Diagnostic Trouble Code B1008 Sym 4B set. Technician will need to check the windshield to ensure it is not aftermarket. Technician will also check for anything that may impair the front view camera and ensure the camera is properly mounted.
PIP5298B2019-06-10. Service bulletin. ELECTRICAL SYSTEM; TRACTION CONTROL SYSTEM; ENGINE. This Preliminary Information communication provides information to the technician for a Service Engine Soon light with a Diagnostic Trouble code P0300 set. There may be a rough running engine associated with this concern. If service information diagnostics have been completed and there is still no trouble found, the technician is to inspect for a possible terminal tension concern on the ignition coil power feed for the cause of the rough running engine and or the P0300. For the Service Engine Soon light or traction control lamp concern check the X2 connector of the under hood fuse block for poor pin retention.
PIT4322H2019-04-08. Service bulletin. ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC). This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Technician may find a Diagnostic Trouble Code C0710. Technician should inspect for vehicles modifications before any in-depth diagnostics are performed.
PIT5386E2019-04-08. Service bulletin. BACK OVER PREVENTION; ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. On trucks equipped with the Back Up Alarm (RPO 8S3), the alarm will be intentionally left disconnected from the assembly plant. Technician will reroute the harness and plug it in.
18NA3602019-03-25. Service bulletin. LANE DEPARTURE: SENSING SYSTEM: CAMERA; VISIBILITY. This technical bulletin provides a procedure to replace the side mirror cameras if found the cause of the reduced key fob range.
PIT5552C2019-03-11. Service bulletin. BACK OVER PREVENTION: SENSING SYSTEM: CAMERA. This Preliminary information communicates repair information for the rear vision camera or surround vision camera image being: - Yellow - Blurry - Distorted - Image scrolling - Image with NO gridlines - Screen is blue with gridlines - Screen is blue with Service Rear Vision System message
PIP5298A2018-12-17. Service bulletin. TRACTION CONTROL SYSTEM; ENGINE. This Preliminary Information communication provides information to the technician for a Service Engine Soon light with a Diagnostic Trouble code P0300 set. There may be a rough running engine associated with this concern. If service information diagnostics have been completed and there is still no trouble found, the technician is to inspect for a possible terminal tension concern on the ignition coil power feed for the cause of the rough running engine and or the P0300. For the Service Engine Soon light or traction control lamp concern check the X2 connector of the under hood fuse block for poor pin retention.
PIT4322J2018-10-15. Service bulletin. ELECTRONIC STABILITY CONTROL (ESC). This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Technician may find a Diagnostic Trouble Code C0710. Technician should inspect for vehicles modifications before any in-depth diagnostics are performed.
PIT5535C2018-08-20. Service bulletin. LANE DEPARTURE: LANE KEEP: STEERING ASSIST; LANE DEPARTURE: WARNING; LANE DEPARTURE: SENSING SYSTEM: CAMERA. This Preliminary Information communication provides information to the technician about vehicles thatmay have Service Front Camera, Service Lane Departure Warning, and Service Lane Keep Assist Message. Technician may find Diagnostic Trouble Code B1008 Sym 4B set. Technician will need to check the windshield to ensure it is not aftermarket. Technician will also check for anything that may impair the front view camera and ensure the camera is properly mounted.
PIT5457C2018-08-06. Service bulletin. AIR BAGS; POWER TRAIN; STEERING; SUSPENSION; EQUIPMENT:ELECTRICAL; TRACTION CONTROL SYSTEM. This Preliminary Information communication provides information to the technician about vehicle with Service ABS and/or Traction control lights/message on, Service Power Steering System, Service Suspension System, and or Loss of communication with EBCM, SWPS, PSCM, and/or SCM. Technician may find Diagnostic Trouble Codes U0077, U0121, U0126, U0131, U0139, U0401, U0415, and/or U0428. Technician should remove the driver and passenger sill plate to gain access to the wire harness. If any open, damaged, or corroded wires should be repaired.
PI0938A2018-06-11. Service bulletin. ELECTRICAL SYSTEM; ELECTRONIC STABILITY CONTROL (ESC). This preliminary bulletin provides information on what labor operation number to use for various electrical/electronic control issues.

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