Service bulletins for the 2018 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.
1723 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
Only bulletins with component: Equipment and accessories are shown. Show all
| N192264210 | 2020-02-18. Service bulletin. EQUIPMENT. Customer Satisfaction Program - Certain vehicles equipped with the 6.6l Duramaxdiesel engine (RPO L5P) and optional engine-block heater cord, may have a condition in which the block heater cable functionwas disabled. Dealers will replace the engine block heater and cord. |
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| PIT5387G | 2020-02-10. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. 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. |
| PI0592F | 2020-01-21. Service bulletin. EQUIPMENT. This preliminary information bulletin provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961). |
| 100089009D | 2019-12-16. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. This informational bulletin provides information on key code security rules and information on GM keycode look-up applications. |
| 080310006G | 2019-12-16. Service bulletin. EQUIPMENT; TIRES; EQUIPMENT ADAPTIVE/MOBILITY; WHEELS. This technical bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel Bead Seat Corrosion. |
| 080089014F | 2019-12-16. Service bulletin. EQUIPMENT; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC). |
| 010842001M | 2019-12-16. Service bulletin. EQUIPMENT; EXTERIOR LIGHTING; EQUIPMENT ADAPTIVE/MOBILITY. This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines. |
| 19NA255 | 2019-12-16. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; STRUCTURE. This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only). |
| PIT5594B | 2019-12-09. Service bulletin. EQUIPMENT:ELECTRICAL:ANTI-THEFT DEVICES. This Preliminary information communicates a normal DIC message after learning keys/fobs which indicates the drivers memory position. |
| 19NA232 | 2019-11-25. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin provides tips for showing a way to confirm if its a mechanical engine issue or not. |
| 120851002K | 2019-11-25. Service bulletin. EQUIPMENT. This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. |
| 100089009C | 2019-11-25. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin provides information on key code security and information on GM key code look up applications. |
| 100089006G | 2019-11-25. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin provides information for dealers how to submit a product information report (PIR) (Canada Only). |
| 010089010N | 2019-11-25. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin provides information on comebacks prevention information and using customer concern verification sheets (CCVS). |
| 18NA306 | 2019-11-25. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only). |
| PIP5684 | 2019-11-12. Service bulletin. EQUIPMENT. This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual. |
| 17NA073 | 2019-10-28. Service bulletin. EQUIPMENT. This warranty administration bulletin provides information regarding the field action courtesy transportation policy. |
| PIT3099S | 2019-10-15. Service bulletin. EQUIPMENT:ELECTRICAL. This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts/kits. Technicians should refer to Service Information for information regarding most accessories. Technicians may also contact PARTECH and/or the Techline Customer Support Center for additional support. |
| DORD8R3N09 | 2019-09-23. Service bulletin. EQUIPMENT. This SKU is a Tire Hoist Assembly. The customer communication requested return of unsold inventory to inspect for the shape of the centerpiece of the tire hoist being round when it should be square. If the centerpiece is the incorrect shape then the tire hoist cannot be operated with the OE tools, and the end user would therefore not be able to lower the spare tire with the vehicles original tools. |
| 130089008B | 2019-09-23. Service bulletin. EQUIPMENT. This bulleting provides Wiring, Terminal and Connector Repair Information including how to determine the Service Part Number in eSI and how to locate the part(s) in the EPC. |
| 19NA193 | 2019-09-23. Service bulletin. EQUIPMENT. This technical bulletin provides repair information to correct a customer concern of Phone Charging Cycles On and Off When Connected to the Single Port USB Hub. |
| 19NA183 | 2019-09-23. Service bulletin. EQUIPMENT. This informational bulletin provides information for dealers/technicians on Mandatory VECI Label Replacement for (5W7) Performance Air Intake Kits. |
| 18NA146 | 2019-09-23. Service bulletin. EQUIPMENT. This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only). |
| PIT4529E | 2019-09-16. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This preliminary information explains that there are differences between the Elevated Idle, PTO and High Idle options. |
| N192209920 | 2019-08-26. Service bulletin. FORWARD COLLISION AVOIDANCE; EQUIPMENT. Certain vehicles, may have incorrect language in the Forward Auto Braking (FAB) section of the owner manual which states, ?If the vehicle has Forward Collision Alert (FCA), it also has FAB which includes Intelligent Brake Assist (IBA)?. This statement is correct for light duty trucks but the heavy duty models only have the Forward Collision Alert. Customer to receive an owner manual insert. Dealers are to print and install the owner manual insert on unsold vehicles. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.