| TAILGATE AJAR LIGHT AND/OR WARNING MESSAGE DISPLAYED IN THE INSTRUMENT PANEL CLUSTER (IPC) – BUILT ON OR BEFORE 10/28/2015 |
FORD : | 2016 F-150 |
ISSUE:
Some 2016 F-150 vehicles built on or before 10/28/2015 may exhibit a tailgate ajar light and/or warning message displayed in the instrument panel cluster (IPC) with the tailgate fully closed.
ACTION:
Follow the Service Procedure steps to correct the condition.
SERVICE PROCEDURE
- Inspect the left and right side tailgate latch assemblies. Is there a metal back on the inside of the latch? (Figures 1- 2)
- Yes – proceed to Step 6.
- No – proceed to Step 2.
Figure 1
Figure 2
- Replace the left and right tailgate latches and latch actuating rods. Refer to the Workshop Manual (WSM), Section 501-14.
- Is the tailgate ajar switch wiring harness connector unplugged and secured? (Figure 3)
- Yes – proceed to Step 6.
- No – proceed to Step 4.
Figure 3
Figure 4
- Loop a cable tie strap around the tailgate ajar switch wiring harness retainer and delete cap retainer. Tighten the cable tie strap to prevent rattle. (Figure 5)
- Make sure the wiring harness does not rattle when closing the tailgate.
Figure 5
- Reprogram the body control module (BCM) using As-Built data. Make sure you are connected to the internet when entering module programming to obtain the latest updates. Calibration files may also be obtained at www.motorcraftservice.com.
- Verify the tailgate ajar light and/or message is no longer displayed in the IPC when the tailgate is open.
- Make sure the tailgate step functions correctly, if equipped.
- Make sure the key fob and tailgate buttons function correctly.
- Make sure the tailgate lock functions correctly.
| Obtain Locally | |
| Part Number | Part Description |
|---|---|
| 08472 | Avery Dennison Cable Tie Strap 177.8 mm (7″ ) Ladder Style – Black Heat Stabilized |
| 3L3Z-9943150-AA No products found. | Latch – Right/Left Side (2 Req) |
| FL3Z-99431A78-B | Latch Rod – Right/Left Side wo/ Flexible Step (2 Req) |
| FL3Z-99431A79-A | Latch Rod – Left Side w/ Flexible Step |
| FL3Z-99431A78-A | Latch Rod – Right Side w/ Flexible Step |
| 9L3Z-5421952-A | Clip – Latch Rod Retainer (2 Req) |
| W717588-S450 | Bolt – Latch (2 Req) |
| 2L1Z-14A666-AA | Delete Cap |
Service Information & Reprogramming
Software necessary to program electronic modules to the latest calibration level, perform module initialization (PATS), and set Programmable Parameters on Ford, Lincoln and Mercury vehicles.
Ford Module Programming (FMP) is a software application that allows subscribers to program electronic modules on Ford, Lincoln and Mercury vehicles. It can be used for:
- Reprogramming emission-related (OBDII) modules on some vehicles manufactured in 1995 and all vehicles manufactured from 1996 to the present
- Reprogramming or reconfiguring non-emission-related modules on many vehicles (UBP and MS-CAN not supported)
In addition, module initialization (PATS) functions such as Keycode Erase/Reprogram and PCM Parameter Reset can be done using this application.
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Last update on 2026-06-10 / Affiliate links / Images from Amazon Product Advertising API
- ALL OF THE J2534 PROTOCOLS - This single unit has all of the protocols you need for your OEM J2534 reprogramming and diagnostics including the latest in DoIP and CanFD
- J2534 TECHNICAL SUPPORT - FREE for the life of the tool. Staffed by technicians who understand vehicle repair and J2534 Pass‑thru
- TOOLBOX WITH OEM APPLICATION DESCRIPTIONS - educational video tutorials and real-time news – Giving you the confidence and up-to-date knowledge to get the job done
- J2534 v05.00 API - The newest version of J2534 to give you the latest in pass-thru technology
- FUTURE PROOF WITH 4 CAN CHANNELS - Going beyond the 3 required by select Chrysler/FCA models, CarDAQ-Plus 3 also provides a 4th to meet the needs of future OEM applications
Last update on 2026-06-09 / Affiliate links / Images from Amazon Product Advertising API
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using Ford Module Programming (FMP) can Reprogram and Configure most Modules.Latest Calibration Information
Module Build Data (As-Built)
Use VIN to obtain As-Built data
www.motorcraftservice.com
Last update on 2026-06-09 / Affiliate links / Images from Amazon Product Advertising API
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- Delivers serious jump-starting power with 1000 peak amps and 500 instant starting amps
- Reverse polarity alarm alerts when there is an improper connection; Connect the clamps to the battery, turn on the switch and start your vehicle. All Metal Powder Coated Clamps
- Features a 120 PSI air compressor to help inflate tires with low pressure; High-powered LED light rotates 270 degrees to help you work in the dark
- Built-in 12V DC outlet and USB port provide portable power for electronic devices; Includes a limited 1 year manufacturer warranty
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Last update on 2026-06-10 / Affiliate links / Images from Amazon Product Advertising API
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