NHTSA ID Number: 10125992
Manufacturer Communication Number: GCUS-9-3216
Summary
16087 Special Coverage. On some vehicles, the hazard flashers may turn on after the vehicle is shut down and/or they may turn on while driving. If the hazard flashers turn on after the vehicle is shut down and left unattended for a long period of time, the battery may die. This anomaly occurs due to a software issue within the switch. Dealers are to replace the hazard switch with a newly designed switch. The repairs will be made at no charge to the customer.
2 Affected Products
Vehicle
| CADILLAC | XTS | 2013-2014 |
Parts
| 1 | Hazard Warning Switch | 23468237
ACDelco GM Original Equipment 23468237 Black Hazard Warning Switch
|
| 1 | Hazard Warning Switch | 23468238
ACDelco 23468238 GM Original Equipment Black Hazard Warning Switch
|
SEOCONTENT-START
Special Coverage Adjustment
16087 Hazard Warning Flashers Activation
| Subject: | 16087 — Hazard Warning Flashers Activation |
| Models: | 2013–2014 Cadillac |
| Reference Number: | N16205941 | Release Date: | December 2016 |
| Revision: | 00 |
| Make | Model | Model Year | RPO | Description | |
|---|---|---|---|---|---|
| From | To | ||||
| Cadillac |
XTS | 2013 | 2014 | ||
Involved vehicles are identified on the Applicable Warranties section 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: | On some 2013-2014 model year Cadillac |
| Special Coverage Adjustment | This special coverage covers the condition described above for a period of 6 years or 72,000 miles (115,000 km), whichever occurs first, from the date the vehicle was originally placed in service, regardless of ownership.
For vehicles covered by Vehicle Service Contracts, all eligible claims with repair orders on or after December 2, 2016, are covered by this special coverage and must be submitted using the labor operation codes provided with this bulletin. Claims with repair orders prior to December 2, 2016, must be submitted to the Service Contract provider. |
| Correction | Dealers are to replace the hazard switch with a newly designed switch. The repairs will be made at no charge to the customer. |
Parts Information
| Quantity | Part Name | Part No. |
| 1 | Hazard Warning Switch | 23468237
ACDelco GM Original Equipment 23468237 Black Hazard Warning Switch
|
| 1 | Hazard Warning Switch | 23468238
ACDelco 23468238 GM Original Equipment Black Hazard Warning Switch
|
Note: Use the vehicle identification number (VIN) and the GM Electronic Parts Catalog (EPC) to determine which hazard warning switch to order.
Warranty Information
| Labor Code | Description | Labor Time | Trans. Type | list distribution/regions,if applicable] Net Item |
| 9900407 | Hazard Warning Switch Replacement | 0.9 | ZREG | N/A |
| 9900408 | Customer Reimbursement Approved
– For USA and Canada dealers only – For Export dealers only |
N/A
0.2 |
ZREG | * |
| 9900409 | Customer Reimbursement Denied – For USA dealers only | N/A | ZREG | ** |
* For USA and Canada: Submit the dollar amount reimbursed to the customer in Net/Reimbursement. Submit $20.00 administrative allowance in Net/Admin Allowance.
For Export: Submit the dollar amount reimbursed to the customer in Net/Reimbursement.
** Submit $10.00 administrative allowance in Net/Admin Allowance.
Service Procedure
Replace the hazard warning switch. Refer to Hazard Warning Switch Replacement in SI.
Customer Notification
General Motors
will notify customers of this special coverage on their vehicle (see copy of typical customer letter included with this bulletin).
Customer Reimbursement
Customer requests for reimbursement of previously paid repairs to correct the condition described in this bulletin are to be submitted to the dealer prior to or by December 31, 2017. See General Motors
Service Policies and Procedures Manual, Section 6.1.11 – Product Field Action Customer Reimbursement Procedure (USA & Canada) or local Policies and Procedures, for details.
December 2016
This notice applies to your vehicle, VIN:________________
Dear General Motors
Customer:
As the owner of a 2013 or 2014 model year XTS, your satisfaction with our product is very important to us.
This letter is intended to make you aware that some 2013 and 2014 model year XTS vehicles may have a condition where the hazard flashers and turn on after the vehicle is shut down and/or may turn on while driving. If the hazard flashers turn on after the vehicle is shut down and left unattended for a long period of time, the battery may die. This anomaly occurs due to a software issue within the switch.
Do not take your vehicle to your GM dealer as a result of this letter unless you believe that your vehicle has the condition as described above.
What We Have Done: General Motors
is providing owners with additional protection for the condition described above. If this condition occurs on your 2013 or 2014 model year XTS within 6 years of the date your vehicle was originally placed in service or 72,000 miles (115,000 km), whichever occurs first, the condition will be repaired for you at no charge. Diagnosis or repair for conditions other than the condition described above is not covered under this special coverage program.
What You Should Do: If you believe that your vehicle has the condition described above, repairs and adjustments qualifying under this special coverage must be performed by a General Motors
dealer. You may want to contact your GM dealer to find out how long they will need to have your vehicle so that you may schedule the appointment at a time that is convenient for you. This will also allow your dealer to order parts if they are not already in stock. Keep this letter with your other important glove box literature for future reference.
Reimbursement: If you have paid for repairs for the condition described in this letter, please complete the enclosed reimbursement form and present it to your dealer with all required documents. Working with your dealer will expedite your request, however, if this is not convenient, you may mail the completed reimbursement form and all required documents to Reimbursement Department, PO Box 33170, Detroit, MI 48232-5170. The completed form and required documents must be presented to your dealer or received by the Reimbursement Department by December 31, 2017, unless state law specifies a longer reimbursement period.
If you have any questions or need any assistance, just contact your dealer or the appropriate Customer Assistance Center at the number listed below.
| Division | Number | Text Telephones (TTY) |
| Cadillac |
1-800-458-8006 | 1-800-833-2622 |
| Puerto Rico – English | 1-800-496-9992 | |
| Puerto Rico – Español | 1-800-496-9993 | |
| Virgin Islands | 1-800-496-9994 |
We are sorry for any inconvenience you may experience; however, we have taken this action in the interest of your continued satisfaction with our products.
Terry M. Inch
Executive Director
Global Connected Customer Experience
Enclosure
16087
SEOCONTENT-END
Reference Number: N16205941
Release Date: December 2016
Revision: 00
To View or Download this Document Click Here
- Replacement Part Numbers: Directly replaces OEM numbers 10383321, 15764135, 10383320, 15231201, LM487, and EFL-27. Please verify your original part number for compatibility.
- Fixes LED Hyperflash: This electronic flasher relay is designed to resolve the fast-flashing (hyperflash) issue that occurs after installing LED bulbs on your turn signals or hazard lights, restoring normal flashing operation.
- GMT800 Platform Fitment: Designed for 2003-2007 GM GMT800 platform vehicles. Including Silverado, Sierra, Avalanche, Tahoe, Suburban, Yukon, Yukon XL, Escalade, Escalade ESV, Escalade EXT, and Hummer
H2. Please confirm your vehicle's platform before purchase. - Plug and Play Installation: Features a factory-style 10-pin connector for a direct, tool-free installation. Simply locate the original flasher module and swap it out.
- Important Note: Intended for use with LED bulbs. Only compatible with vehicles that have a 10-pin flasher module (GMT800 platform). Not for use on GMT900 or other platforms. Refer to the detailed fitment list in the product description.
- Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
- GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors

- GM Engineers design and validate OE parts specifically for your Chevrolet
, Buick
, GMC, or Cadillac
vehicle - GM regularly updates production and service part designs to integrate new materials and technologies
- Designed to deliver trouble-free, consistent performance
- Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
- GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors

- GM Engineers design and validate OE parts specifically for your Chevrolet
, Buick
, GMC, or Cadillac
vehicle - GM regularly updates production and service part designs to integrate new materials and technologies
- DIRECT REPLACEMENT - Flasher Relay Ref OE 10383321, 15764135, 10383320, 15231201, LM487, EFL-27.
- PLUG AND PLAY - Save Dollar$$$, Fits for Select GM Trucks and Work to replace 2003 2004 2005 2006 2007 GMT800 Platform Trucks Factory Flasher Module (10-Pins).
- STOP HYPER FLASH - Fix Hyper Flash for Hazard Warning and Turn Signal. Fits for LED bulb or incandescent bulb or Combination.
- SPECIAL VEHICLES - 10383321 LED Flasher Only for the GMT800 (and GMT880) Basic Platform. Fits for 2003 2004 2005 2006 Silverado / Sierra (1500, 1500 HD, 2500 HD, 3500 Models) & 2007 Silverado / Sierra (1500 Classic, 1500HD Classic, 2500HD Classic, 3500 Classic Models). (Notice: Some Late 06 models were sold as 07's and are referred to as the 07 Classic so as not to be confused with the New GMT900 Series). Please check factory module, If have a 10 pin flasher module it should work.
- NOTICE - Tip, Could Use Plastic Trim Panel Tool to Pry/Wiggle it out. There isn't much Room to Pull it Straight Out By Hand. Be Careful When Replacing, Where this is Located there is Stamped (Sharp) Metal.
- [ APPLICATION ] -- Compatible with ALL 2001-2005 Pontiac
Aztek, 2002-2007 Buick
Rendezvous, 2002-2009 Chevrolet
Trailblazer, 2002-2006 Chevrolet
Trailblazer EXT, 2002-2009 GMC Envoy, 2002-2006 GMC Envoy XL, 2002-2004 Oldsmobile
Bravada, 2003-2008 Isuzu
Ascender, 2004-2007 Buick
Rainier, 2005-2006 Chevrolet
SSR, 2005-2009 Saab
9-7x. Suitable for 2003-2007 Silverado, Tahoe, Sierra, Yukon, Avalanche, Suburban, Cadillac
Escalade, 2003-2004 Sierra 2500, 2003-2007 Hummer
H2, 2007 Sierra (Silverado) 1500/1500HD/2500HD/3500 Classic and more. - [ PART NUMBER ] -- Directly replace LM487 flasher relay. Replace Part Number# 10383321, 15764135, 10383320, 15231201, LM487, EFL-27
- [ FUNCTION ] -- Tired of hyper-flash after installing lights or dealing with turn signals that don't light up? This 10-pin flasher relay is the fix. It not only corrects these issues but also properly operates your vehicle's hazard lights for increased safety around pedestrians.
- [ EASY INSTALLATION ] -- Simply plug it in and go — it solves hyper flash issues, letting you upgrade to lights on your GM vehicle.
- [ SATISFACTION GUARANTEE ] -- If you are not satisfied with Camoo products, simply return it for a full-refund in 30 days. Guarantee with 12 months warranty. No worry about buying!
This product presentation was made with AAWP plugin.








Is this condition covered by the dealer if my car has a rebuilt title?
I would check with the dealer, but most likely not.