18366
Service Bulletin Details
Public Details for: 18366
Service update. Certain vehicles that are equipped with a duramax diesel engine, the engine control module (ecm) may not take the appropriate remedial actions if an exhaust gas temperature sensor becomes disconnected. Dealers are to reprogr
- 2019 -
Models from 2019
2019 CHEVROLET 3500 |
2019 CHEVROLET SILVERADO 2500 |
2019 GMC SIERRA 2500 |
2019 GMC SIERRA 3500 |
GLOBAL SAFETY FIELD INVESTIGATIONS DCS4926 URGENT - DISTRIBUTE IMMEDIATELY Date: December 12, 2018 Subject: 18366 - Service Update Exhaust Gas Temperature Sensor Models: 2019 Chevrolet Silverado 2500/3500 2019 GMC Sierra 2500/3500 To: All General Motors Dealers General Motors is releasing Service Update 18366 today. The total number of U.S. vehicles involved has been updated to approximately 56,226. Please see the attached bulletin for details. Global Warranty Management (GWM) The Investigate Vehicle History (IVH) screen in the GWM system will be updated December 12, 2018. A list of involved vehicles in dealer new inventory is attached to this message. Please hold all warranty transactions until IVH has been updated. END OF MESSAGE GLOBAL SAFETY FIELD INVESTIGATIONS Service Update 18366 Exhaust Gas Temperature Sensor Reference Number: Attention: N182192390 Release Date: Revision: December 2018 00 This service update includes vehicles in dealer inventory and customer vehicles that return to the dealership for any reason. This bulletin will expire at the end of the involved vehicle’s New Vehicle Limited Warranty period. Make Chevrolet GMC Model Silverado 2500/3500 Sierra 2500/3500 Model Year From To 2019 2019 RPO L5P Description Engine-Diesel, 8 Cyl, 6.6l, DI, V8, Turbo, Duramax, Gen 5, Var. 1 Involved vehicles are marked “open” on the Investigate Vehicle History screen in GM Global Warranty Management system. This site should always be checked to confirm vehicle involvement prior to beginning any required inspections and/or repairs. Condition Correction Certain 2019 model year Chevrolet Silverado 2500/3500 and GMC Sierra 2500/3500 vehicles that are equipped with a Duramax diesel engine, the engine control module (ECM) may not take the appropriate remedial actions if an exhaust gas temperature sensor becomes disconnected. Dealers are to reprogram the engine control module with a modified calibration. Parts No parts are required for this repair. Warranty Information Labor Operation 9104159* Engine Control Module Reprogramming with SPS 0.3 Trans. Type ZFAT 9104248** Module Programming Not Required 0.2 ZFAT Description Labor Time Net Item N/A N/A * To avoid warranty transaction rejections, the SPS Warranty Claim Code must be entered when submitting this transaction. Note that if multiple modules are reprogrammed, all claim codes must be entered with a comma separating each code. ** SPS Warranty Claim Code is NOT required when submitting this transaction. Service Procedure Note: Carefully read and follow the instructions below. • Ensure the programming tool is equipped with the latest software and is securely connected to the data link connector. If there is an interruption during programming, programming failure or control module damage may occur. • Stable battery voltage is critical during programming. Any fluctuation, spiking, over voltage or loss of voltage will interrupt programming. Install a GM Authorized Programming Support Tool to maintain system voltage. Refer to: https://www.gmdesolutions.com/ for further information. If not available, connect a fully charged 12 V jumper or booster pack disconnected from the AC voltage supply. DO NOT connect a battery charger. • Turn OFF or disable systems that may put a load on the vehicle’s battery such as; interior lights, exterior lights (including daytime running lights), HVAC, radio, etc. • Clear DTCs after programming is complete. Clearing powertrain DTCs will set the Inspection/Maintenance (I/M) system status indicators to NO. Caution: If the Same Calibration/Software Warning is noted on the SPS Controller screen, do NOT attempt to program the module. No further action is required. Refer to the Warranty section of the bulletin and use labor operation code 9104248, Module Programming Not Required. 1. Reprogram the Engine Control Module. Refer to K20 Engine Control Module: Programming and Setup in SI. 2. Record SPS Warranty Claim Code on job card for warranty transaction submission. Dealer Responsibility Whenever a vehicle subject to this service update enters your vehicle inventory, or is in your facility for service in the future, and the vehicle is still covered under the New Vehicle Limited Warranty, you must take the steps necessary to be sure the service update correction has been made before selling or releasing the vehicle. Copyright 2018 General Motors. All Rights Reserved. Page 1 of 2 Service Update 18366 Exhaust Gas Temperature Sensor All new, used, GM Certified Used, courtesy transportation vehicles, dealer shuttle vehicles, etc. in dealers' possession and subject to this bulletin must be held and inspected/repaired per the service procedure of this bulletin before customers take possession of these vehicles. Involved vehicles must be held and not delivered to customers, dealer-traded, released to auction, used for demonstration, or any other purpose. All GM Certified Used vehicles currently in the dealers’ inventory within the Certified Pre-Owned Inventory System (CPOIS) will be de-certified and must be held and remedied per the service procedure in this bulletin. Upon submitting an accepted/paid warranty transaction in the Global Warranty Management (GWM) system, the vehicle can be re-certified for sale within the CPOIS system, or once again be used in the CTP program. GM bulletins are intended for use by professional technicians, NOT a "do-it-yourselfer". They are written to inform these technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the tools, equipment, safety instructions, and know-how to do a job properly and safely. If a condition is described, DO NOT assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See your dealer for information on whether your vehicle may benefit from the information. We Support Voluntary Technician Certification Page 2 of 2