Gm serial data gateway module com. Thank you! Genuine GM Part 13558602, the Right Choice To ensure reliability, purchase GM part # 13558602 MODULE ASM-SERIAL DATA GATEWAY. All of our parts are genuine OEM parts so we guarantee your Serial Data Gateway Module will perfectly fit your 2022-2024 vehicle, and you'll get your parts for less than you would pay at your local parts counter. We stock parts and accessories for Silverado 1500, Silverado 2500, Chevrolet Tahoe, Corvette, Camaro, and many more. Also Purchased Payne Weslaco Motors GMC Parts When you need your Serial Data Gateway Module, you come to Payne Chevrolet Buick GMC Parts. It also evaluates the data and coordinates between the systems. Genuine OEM Parts & Accessories. Refer to A11 Radio: Programming and Setup in SI. This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors To ensure reliability, purchase GM part # 86540878 MODULE ASM-UPFITTER SERIAL DATA GATEWAY E. For this week's #workingwednesday Will from our service team goes over the process for a serial data gateway module and radio recall!Come visit us at 10979 A N242435630-03Customer satisfaction program - certain vehicles may have a condition where the battery is at risk for a drain following an over-the-air update. All parts are backed by the GM's warranty. This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors Condition: New Onstar, data gateway. com FREE DELIVERY possible on eligible purchases GM bulletins are intended for use by professional technicians, NOTa "do-it-yourselfer". We have a huge inventory of Genuine GM parts. Reprogram the K56 Serial Data Gateway Module. 2023 2LT. Fits CT5, Envision, Escalade, Escalade ESV, Silverado, Suburban, Tahoe. Find many great new & used options and get the best deals for Serial Data Gateway Module SDG OEM GM 13521136 13599318 at the best online prices at eBay! Free shipping for many products! GMPartsGiant. Serial Data Gateway Module. All advice gratefully received, I'll even pay $100 via paypal to the person Save money when you get your Serial Data Gateway Module (13599318) for your 2017-2021 vehicle. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors Dec 12, 2024 · Some units of the 2024 Chevy Silverado EV full-size electric pickup truck have a Serial Data Gateway Module that's incompatible with the truck's software. 5644478 Important: To avoid warranty transaction rejections, you MUST record the warranty claim code provided on the SPS Warranty Claim Code (WCC) screen shown above on the job card. With VIN verification we can guarantee for your Serial Data Gateway Module (13545362) will perfectly fit your 2022-2025 vehicle. The service hybrid system came up a while ago, but no Check Engine Light. If the Serial Data Gateway Module is replaced or another module is added to the bus, such as a dealer-installed accessary, a learn process must be done usin the SPS. All Genuine GM parts are covered by GM's 12 month "parts warranty period" from the date of invoice. Aug 8, 2024 · al Data Gateway Module. The problem involves a risk of battery drain following an over-the-air (OTA) software update. Introduced to enhance cybersecurity, this system prevents unauthorized access to critical vehicle modules, ensuring that only approved diagnostic tools and software can interface with SERIAL DATA GATEWAY modules on the vehicle and their associated buses. Module Assembly, Serial Data Gateway for $295. 5644478 5431209 Note: The screenshots above are an example of module programming and may not be indicative of the specific module that is being programmed. In the event of a conflict between the procedures set forth in this Serial Data Gateway Module Programming and Setup The following service procedures require either a programming or a setup event be performed for a complete repair. Oct 18, 2025 · New OEM GM Serial Data Gateway Module 13509767 2016-17 Chevy Camaro 13599318 $36. How to go about zeroing in on the problem. Module selection and VIN information have been 6 days ago · About this 25883951 Module This part is a module, serial data gateway (without calibration & operating system), for Chevrolet Trucks, Cadillac Trucks, and GMC Trucks cars. The radio is now running Android 12 and software dated February 2024 with a Kernel Version March 26, 2024. Took way longer than expected a couple hours for the over the air update and computer sync. SKU: 13599318 Other Names: Module Description: Gateway serial data. First recall that's showed for me. Cadillac Escalade. No new components are required to complete the remedy. Important: To avoid warranty transaction rejections, you MUST record the Onstar, data gateway. There is an Ethernet enable circuit (circuit 7207) which can be used to wake up the K56 Serial Data Gateway Module for Ethernet diagnostic and programming. This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors Condition: New All Genuine GM parts are covered by GM's 12 month "parts warranty period" from the date of invoice. Dealers are to reprogram the serial data gateway module and the radio. Aug 25, 2022 · GM Genuine Parts Serial Data Gateway Modules are designed, engineered, and tested to rigorous standards, and are backed by General Motors. 6v which I think is normal. Important: To avoid warranty transaction rejections, you MUST record the SKU: 13599318 Other Names: Module Description: Gateway serial data. Driver info center module. com offers the great deal for genuine GM parts, 13545362. Jan 4, 2022 · Buy ACDelco GM Original Equipment 13540083 Serial Data Gateway Module: Cables & Interconnects - Amazon. This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors Condition: New Apr 15, 2025 · Reprogram the Serial Data Gateway Module. GM works to quickly identify affected vehicles and notify owners. Stop any battery drain occurrences after software update s. com offers the great deal for genuine GM parts, 13553311. Module Assembly, Serial Data Gateway for $57. Just under 6k miles. Nov 7, 2024 · Seeing less and less complaints posted. MODULE ASM-SERIAL DATA GATEWAY for $214. Jul 27, 2024 · GM has supplied a list of affected VINs, with the problem expected to involve a small number of SUVs, many of which are in inventory or transit. 5 hours when I dropped it off after getting recall notice. We would like to show you a description here but the site won’t allow us. from 2008 to 2013. Ships from GM Parts Outlet, EASTPOINTE MI Jun 17, 2023 · Most of the can data voltages are between 2. During the process, control module data is retrieved from the vehicle to generate unique cryptographic keys. Mar 14, 2022 · Hello everyone! I'm repairing flooded cadillac xt4 and have encountered some difficulties looking for this module. The Serial Data Gateway Module is an essential component for your GM vehicle, ensuring optimal performance and reliability. It showed up within the last couple of weeks. Mar 13, 2024 · Buy GM Genuine Parts 13552977 Serial Data Gateway Module: Information Display Modules - Amazon. Sep 18, 2024 · Reprogram the K56 Serial Data Gateway Module. All Genuine Dec 13, 2024 · Tagged with service update number N242470190, some 2024 Chevy Silverado EV units may have been built with a Serial Data Gateway Module (SDGM) that’s incompatible with the vehicle’s software. Ships from GM Parts Outlet, EASTPOINTE MI 1. Do you think by now GM has fixed the updates? I've been holding off on this serial gateway software update and also supercruise update. Onstar, data gateway. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors Sep 17, 2024 · The MyGMC app is showing a recall on my 24 AT4 called Serial Data Gateway Module and Radio GM Program # N242435631 Status Incomplete Description Certain model years and vehicle makes noted in the table above may have a condition where the battery is at risk for a drain following an Click the button below to continue shoppingContinue shopping This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors Replace and Program Control Module or Reprogram Control Module To program a replacement or an existing K56 Serial Data Gateway Module, perform the following procedure: Access the Service Programming System (SPS) and follow the on-screen instructions. With a CAN/GM LAN network, the BCM typically acts as the gateway or master control module. GENERAL MOTORS DCS6945 URGENT - DISTRIBUTE IMMEDIATELY Date: July 23, 2024 Subject: N242435631 - Customer Satisfaction Program Serial Data Gateway Module and Radio Models: 2024 Silverado, sierra. Sep 25, 2024 · The module transmits data between different bus systems, such as the engine compartment bus, interior bus, and optical bus. To ensure reliability, purchase GM part # 13540083 Module Assembly, Serial Data Gateway. Genuine GM Part 25883951, the Right Choice To ensure reliability, purchase GM part # 25883951 Serial Data Gateway Module Assembly (W/O Calibration). Most special order parts will generally ship from our warehouse within 2-3 business days but may take up to 5-7 business days based upon their availability from General Motors before shipping from our facility in North Carolina. Dec 15, 2024 · GM has issued a Service Update related to a fix for an issue with the Serial Data Gateway Module in certain affected units of the 2024 Chevy Corvette. Once GM has identified the affected vehicles, those vehicle VINs are loaded onto this site. GM notifies customers of affected vehicles in writing within 60 days after a recall announcement. Refer to callout 1 above for the location of the W The General Motors (GM) Serial Data Gateway is an advanced network security feature designed to regulate and control access to a vehicle’s communication bus. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Changed the Serial Data Gateway module, and know it comes up with High Voltage Impact Detection Aug 27, 2025 · Find many great new & used options and get the best deals for GM OEM SDG Serial Data Gateway PARKING ASSIST CONTROL MODULE 13521136 13599318 at the best online prices at eBay! Free shipping for many products! Jul 29, 2024 · The Fix: Reprogramming the Serial Data Gateway Module To resolve the 2024 GMC Yukon battery drain issue, GM technicians will reprogram the serial data gateway module in the affected vehicles. Verify the key fob is inside the vehicle. 5644478 of module programming and may not be indicative of the spec Save money when you get your Serial Data Gateway Module (13534928) for your 2019-2023 vehicle. This is a special order part. Vehicles Requiring BOTH K56 Serial Data Gateway Module Reprogramming and A11 Radio Reprogramming Note: Some export models may be involved in bulletin A192214560. CAN/GM LAN — The CAN data bus SKU: 13542838 Other Names: F (S)Module Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors Condition: New SALE: Serial Data Gateway Module Genuine OEM GM® Part # 25883951. SKU: 13533490 Other Names: Control Module Description: Onstar, data gateway. Module selection and VIN information have been blacked out. Jan 1, 2023 · Reprogram the serial data gateway module and radio following SI procedure". com offers the great deal for genuine GM parts, 13542886. Module Assembly, Serial Data Gateway for $80. efer to K56 Serial Data Gateway Module: Programm Reprogram the A11 Radio. Recommend folks check and see if they are affected. Gateway, serial, data. Jan 6, 2025 · GM has issued a customer satisfaction program for a programming update to the Serial Data Gateway Module in the 2024 GMC Canyon pickup related to OTA updates. Aug 26, 2024 · Make: Chevrolet Number: N242435630 Title: Serial Data Gateway Module Date: 8/26/2024 Models: 2024 Silverado 1500 2024 Suburban 2024 Tahoe 2024Silverado 1500 2024Suburban 2024Tahoe Summary: Certain model years and vehicle makes noted in the table above may have a condition where the battery is at risk for a drain following an over-the-air update. Although the Corvette’s C8 generation has been around since the 2020 model year, this service update only applies to 2024 Jan 24, 2025 · The Serial Data Gateway Module will then lose communication with all control modules and set DTCs against control modules not on the vehicle. Nov 1, 2024 · Just purchased a used 2023 CT5-V and wouldn't you know it, one day later a recall pops up. No more shopping from multiple locations to get everything you need. Order your Serial Data Gateway Module ( 13545362) for your 2022-2024 vehicle and we will ship it to you in just a matter of days. For the TLC application, service technicians need to always ensure that the power mode (ignition) is “ON” before reading the VIN from the vehicle’s VIN master module and that they do not select a VIN that is already in the TLC application memory from a previous vehicle. This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors Condition: New 25883951 - Serial Data Gateway ModuleThis item is a Special Order Part. To ensure reliability, purchase GM part # 13531324 Module Assembly, Serial Data Gateway. If the key fob is not inside the vehicle, the serial data authentication configuration procedure which runs automatically at the end of the programming step will fail even though the programming appears to run successfully The fairly recent introduction of modules having names such as "Serial Data Gateway Module" or, "Central Gateway Module" is simply for the purpose of cyber security. Secret keys are written to the control modules, allowing messages on the bus to be encrypted. Jan 5, 2025 · Per Customer Satisfaction Program number N242475020, affected 2024 Chevy Colorado trucks will be unable to receive over-the-air (OTA) software updates due to the current programming of the gateway module. Whether you're replacing a worn-out part or upgrading your vehicle, this GM part is engineered to meet the highest standards. Aug 5, 2025 · New OEM GM Serial Data Gateway Module 13509767 2016-17 Chevy Camaro 13599318 Source One Auto Parts (70478) 99. Perform the USB File Transfer for the A11 Radio. Control module. 62 Free shipping Apr 23, 2025 · Find many great new & used options and get the best deals for 2022-2024 GM Serial Data Gateway Module 13542838 New OEM at the best online prices at eBay! Free shipping for many products! Service Procedure Important: Service agents must comply with all International, Federal, State, Provincial, and/or Local laws applicable to the activities it performs under this bulletin, including but not limited to handling, deploying, preparing, classifying, packaging, marking, labeling, and shipping dangerous goods. 5644478 le of module programming and may not be indicative of the s e warranty claim code provided on the Warranty Claim Code (WCC) scr en shown above on the job card. It's a genuine General Motors part with an OEM part number 25883951. I've never allowed an OTA so haven't experienced the issue that others have. But a couple of the Serial Data Gateway control module (pictured) are showing as low as 1. Dec 14, 2021 · GM Genuine Parts Serial Data Gateway Modules are designed, engineered, and tested to rigorous standards, and are backed by General Motors. Serial Data Gateway Module Released: Control module. Instrument panel, driver side, gateway. com offers the great deal for genuine GM parts, 13542838. These repairs will be performed at no cost to the vehicle owner. The gateway module translates and priori-tizes the messages sent on the bus. You'll always receive genuine OEM parts and accessories when you shop with us. Although the Corvette's C8 generation has General Information Serial Data Authentication Configuration ensures secure communication between control modules over different channels by encrypting sensitive data. It is sometimes referred to as GM Body Control Module. This process can take several days, but in rare cases it may take longer. Select Your GM Model below to shop for more parts from its entire OEM parts catalog. Order Your OEM Serial Data Gateway Module (13545362) For Your 2022-2024 GM Vehicle At A Discount Price With Nationwide Delivery! Built with GM’s engineering expertise, ACDelco and OEM GM parts are factory original equipment replacement parts for your Chevy, Buick, Cadillac, GMC, Saturn, Pontiac, Oldsmobile or Hummer. 13599317 - Serial Data Gateway ModuleThis item is a Special Order Part. S. GMPartsGiant. Reprogram the serial data gateway module. Genuine Buick Part - 13545362 (13544440). 97. 59. Jul 28, 2024 · Reprogramming the serial data gateway module of the affected 2024 GMC Yukon or Sierra 1500 will correct the issue and prevent future battery drain after over-the-air updates. What Should Dealers Do: Dealers should review IVH or the Dealer Maxis reports for open VINs in their inventory Gate Way Module — Since 1986, many GM vehicles have used a master module to control data transmission on the bus. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors Shop Online for 25883951 and Save. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors Condition: New Gateway serial data. Reprogram the K56 Serial Data Gateway Module: Programming and Setup. Gateway serial data. com offers the great deal for genuine GM parts, 13533490. Sep 25, 2024 · The GM Customer Satisfaction Program N242476670 addresses an issue with the Serial Data Gateway Module (SDGM) in 2024-2025 Chevrolet Corvette models. Genuine GM Part 13599318, the Right Choice To ensure reliability, purchase GM part # 13599318 Serial Data Gateway Module Assembly. All OEM parts, all discounted prices, and all delivered right to your home or work. Jun 18, 2021 · These parts are manufactured to meet expectations for fit, form and function, making them a smart choice for General Motors vehicles and many makes and models, including special applications. All of our parts are genuine OEM parts so we guarantee your Serial Data Gateway Module will perfectly fit your 2022-2025 vehicle, and you'll get your parts for less than you would pay at your local parts counter. Module Assembly, Serial Data Gateway for $164. Every single part passed stringent quality testing, so you can be sure that it's safe, durable, and built to perform like your original parts. 2v. May 17, 2022 · 1. 92. Involved vehicles may have already Mar 31, 2021 · If the Serial Data Gateway Module is replaced or another module is added to the bus, such as a dealer-installed accessary, a learn process must be done using the Serial Data Gateway Module learn procedure in SPS. 5644478 Note: The screenshot above is an example of module programming and may not be indicative of the specific module that is being programmed. We feature full catalogs Jan 5, 2025 · A new GM customer satisfaction program for 2024 Chevy Colorado pickup truck fixes the Serial Data Gateway Module to enable Over-The-Air (OTA) updates. Refer to Setup in SI. Mar 4, 2022 · WalleyeMikeIII Full Access Member Joined Feb 22, 2022 Posts 2,638 Reaction score 2,296 Location Sunny and Snowy Minnesota GM Serial Data Gateway Module and Radio N242435631 Service bulletin - 24 Yukon Save Money On Your OEM Serial Data Gateway Module - 13542838 - For Your 2022-2025 GM Vehicle When You Shop Online With GM Parts Warehouse!!! Dec 15, 2024 · Some 2024 Corvette Units Need A Serial Data Gateway Module Replacement By George Barta: December 15, 2024 5:01 am GM has issued a Service Update related to a fix for an issue with the Serial Data Gateway Module in certain affected units of the 2024 Chevy Corvette. To ensure reliability, purchase GM part # 13534928 Module Assembly, Serial Data Gateway. Serial data gateway module. However, as with some GM vehicles such as Cadillac XT4 and the 2019 new model pickup trucks that are Global "A" utilizing Generation 3 Serial Data Gateway Modules (SDGM), direct access to the primary HS GMLAN via the DLC is prohibited. Refer to K56 Serial Data Gateway Module: Programming and Setup in SI. N242435631 Serial Data Gateway Module and Radio warranty transaction in the Global Warranty Management (GWM) system, the vehicle can be re-certified for sale within Jul 29, 2024 · Reprogramming the serial data gateway module of the affected 2024 GMC Yukon will correct the issue and prevent future battery drain after over-the-air updates. If anybody knows it's location - please share it with me. The Serial Data Gateway Module also functions as a gateway to isolate the secure networks on the vehicle from unsecured networks. K56 Serial Data Gateway Module: Programming and 5644478 Note: The screenshot above is an example of module programming and may not be indicative of the specific module that is being programmed. Labeled 13599318. 5644478 of module programming and may not be indicative of the spec Aug 8, 2024 · al Data Gateway Module. Feb 15, 2023 · Hello Guys I have a 2009 Tahoe Hybrid. Dealers are to reprogram the serial data gateway module. If this part is defective, you should be able to get the warranty claim processed by your local GM dealership's service department, or any GM dealership nationwide with a dealership copy of your invoice. SKU: 13542838 Other Names: F (S)Module Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors Condition: New SALE: Serial Data Gateway Module Genuine OEM GM® Part # 25883951. 8% positive GM Genuine Parts Serial Data Gateway Modules are designed, engineered, and tested to rigorous standards, and are backed by General Motors. Genuine General Motors Part # 13545362 (13544440) - Control module. The K56 Serial Data Gateway Module will convert Ethernet serial data to CAN as necessary, and vice versa. Add to Wish List Add to Compare Accepted Payments Details Serial Data Gateway Module (SDG) Reviews Customer Notification USA & Canada - General Motors will notify customers of this program on their vehicle. In other words, the BCM acts as the inter-preter and traffic cop for the system. As my nearest Cadillac dealer is like 40+ miles away and my nearest GM (Chevy/Buick) dealer is only 5 miles away, I was hoping that a Chevy/Buick dealer could perform this recall procedure. Important: To avoid warranty transaction rejections, you MUST record the Reprogram the K56 Serial Data Gateway Module: Programming and Setup. Dec 10, 2024 · GM has issued a service update related to fixing an issue with the serial data gateway module in certain affected units of the 2024 GMC Hummer EV. Scanned it, and it came up with internal fault in the Serial Data Gateway module. It fits for 203 General Motors vehicles which were sold in the U. GENERAL MOTORS DCS 7091 URGENT - DISTRIBUTE IMMEDIATELY Date: December 4, 2024 Subject: N242475020 - Customer Satisfaction Program Serial Data Gateway Module Models: 2024 Chevrolet Colorado 2024 GMC Canyon General Motors is releasing Customer Satisfaction Program N242475020 today. Nov 7, 2025 · GM Genuine Parts Serial Data Gateway Modules are designed, engineered, and tested to rigorous standards, and are backed by General Motors. Ships from GM Parts Outlet, EASTPOINTE MI The Serial Data Gateway Module acts as a central hub for transmitting data between different systems, such as the engine control module, transmission control module, ABS system, and more. For parts availability questions please contact us at customerservice@gmpartsdirect. Export - Letters will be sent to known owners of record located within areas covered by the US National Traffic and Motor Vehicle Safety Act. Is that the All of our parts are genuine OEM parts so we guarantee your Serial Data Gateway Module will perfectly fit your 2019-2023 vehicle, and you'll get your parts for less than you would pay at your local parts counter. Sep 26, 2024 · A new Customer Satisfaction Program is available for the 2024 Chevy Blazer EV, including a fix for an OTA update issue involving reprogramming the data module. Note: Verify all control modules are connected and communicating before attempting to program the K56 Serial Data Gateway Module. Bolt. These keys are then Customer satisfaction program - certain vehicles may have a condition where the battery is at risk for a drain following an over-the-air update. GM Genuine Parts Serial Data Gateway Modules are designed, engineered, and tested to rigorous standards, and are backed by General Motors. Fast Shipping & Free Returns make us your choice for New Genuine GM Parts Direct. Buick Envision. 58. This process of reprogramming will fix the issue. 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. The Investigate Vehicle History screen in GM Global Warranty Management system should always be checked to confirm vehicle involvement prior to beginning any required inspections and/or repairs. 3 and 2. Aug 9, 2024 · Certain model years and vehicle makes noted in the table above may have a condition where the battery is at risk for a drain following an over-the-air update. Changed the Serial Data Gateway module, and know it comes up with High Voltage Impact Detection Jul 29, 2024 · The Fix: Reprogramming the Serial Data Gateway Module To resolve the 2024 GMC Yukon battery drain issue, GM technicians will reprogram the serial data gateway module in the affected vehicles. Does this indicate a problem??I could really use some tech wizards advice here. The fix offered in the bulletins consists of Oct 31, 2020 · I just had this Data Gateway Module recall/update done on my 2024 Tahoe. 8v and as high as 3. When a module stops communicating on the class 2 serial data line, for example if the module loses power or ground, the SOH message it normally sends on the data line every two seconds disappears. Manufacturer Warranty, Fast Shipping. The correction outlined in the service update involves EV-certified GM dealers replacing the SDGM (part number 13552977) in affected units. Directly from GM, genuine parts are superb with regards to quality, longevity, and fit. Most special order parts will generally ship from our warehouse within 48-72 hours but may take up to 7-10 business days based upon their availability from General Motors before shipping from our facility in North Carolina. Dealer told me approximately 1. Jan 3, 2022 · 2022 Yukon Denali with failed Serial Data Gateway Module as a result of OTA updates. com FREE DELIVERY possible on eligible purchases. This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors Condition: New Jul 1, 2022 · The vehicle's Serial Data Gateway Module (SDGM) will also be reprogrammed to prevent future download errors. C8 General Discussion - Recall- Serial Gateway Module - FYI. 16. com offers the great deal for genuine GM parts, 19183770. Here at GM Parts Warehouse you can get any part for any vehicle delivered right to your home. Genuine Cadillac Part - 13545362 (13544440). zjgd iczui szez ntfo jcvxg hee ubise yvw cbbb fbiodq wje utatx keqpoh bjooty wwbges