Sponsored

New FRUNK WON'T CLOSE ISSUE

Jim Lewis

Well-known member
First Name
Jim
Joined
Jan 10, 2023
Threads
40
Messages
801
Reaction score
671
Location
San Antonio, TX
Vehicles
Honda Accord 2017; 2023 Lariat ER
Occupation
Retired
I've likely got a new variation of the FRUNK WON'T CLOSE issue.

The various manifestations of the issue have been discussed in two threads:

https://www.f150lightningforum.com/forum/threads/frunk-not-closing.15659/

https://www.f150lightningforum.com/...w-frunk-malfunction-see-manual-message.11070/

As background for my problem, my truck has also been behaving a little flakey electronically recently. I think it started happening after the 10.1.0 and 10.1.1 OTA updates. Sometimes, my SYNC screen will just die and reboot.

Initially, while trickle charging my LVB and leaving it open over a few days, I had the classic FRUNK WON'T CLOSE problem where it would forget its position, had to be manually closed, would automatically latch as it approached the closed position, then get reset and behave normally.

To avoid the manual closure problem, I started unplugging all the wires, moving them entirely within the frunk, and closing the frunk with FordPass. I did this just last night.

Today, I opened the frunk with FordPass and put something in, but I couldn't close the frunk with FordPass, the frunk button, or the frunk button on the dash (I didn't try the fob). No beeps when I press the frunk button. When I manually lower the frunk hood to the point where it should automatically latch, it doesn't. I have to gently "slam" the frunk closed by hand. The frunk can then be reopened electronically, but it's back to the same FRUNK WON'T CLOSE problem again.

Several folks in the second thread that I linked to earlier in this post found that the failure of a strut sensor caused their closure problem. That may be my problem, too. But given that I allowed Ford to put monitoring tokens on my truck for the ECG, TCU, and APIM modules for testing HIS backup power transfer and given the flaky SYNC screen behavior I'm getting after the 10.1.0 and 10.1.1 OTA updates, I'm wondering if some truck module would benefit from being reset. Or maybe pulling the LVB negative cable for 10 minutes or so? If there is no software fix for the problem, I think I'll wait for some other reasons to visit my dealer and just keep manually closing the frunk for now. I'm not getting any frunk dash warnings.

Suggestions, anyone? Beyond "take the truck to your dealer!"

When I press the FordPass frunk button to close the frunk, I get the following screen confirmation indicating the truck thinks it's successfully closed the frunk (when it hasn't!). Stupid that Ford programs in confirmation and has no monitoring that the procedure completed successfully, @Ford Motor Company. When the frunk is manually pushed down to the auto-latch position (which doesn't happen), pressing the FordPass frunk button causes the frunk to open rather than latch, indicating the software loop thinks the frunk was closed when commanded to do so in the fully open position.

ABSOLUTELY FALSE CONFIRMATION IN FORDPASS THAT FRUNK IS CLOSING

Ford F-150 Lightning New FRUNK WON'T CLOSE ISSUE IMG_1108
Sponsored

 
Last edited:

TaxmanHog

Moderator
Moderator
First Name
Noel
Joined
Jan 19, 2022
Threads
169
Messages
12,026
Reaction score
12,605
Location
SE. Mass.
Vehicles
2022 Lightning Lariat-ER Max Tow & 2024 Harley-Davidson Road Glide CVO-ST
Occupation
Retired
Watching your thread for others to report.

I've been wondering why I haven't seen much traffic on the 10.1.0 / 10.1.1 threads lately, I'm waiting for it to arrive on my truck.
 

Adventureboy

Well-known member
First Name
Jonathan
Joined
Jan 30, 2023
Threads
1
Messages
639
Reaction score
603
Location
Ontario
Vehicles
2023 F150 Lightning Lariat
If you have other goofy things happening, like your screen restarts, it can be because of a low or bad 12v battery. Low voltage causes a bunch of glitches. I'd check that first. Updates can leave your 12v battery pretty low which can take an hour of driving or actively charging HVB to top it up.
 

Thunder1809

Active member
First Name
Doug
Joined
Sep 23, 2023
Threads
4
Messages
42
Reaction score
38
Location
Washington
Vehicles
2023 F-150 Lightning Lariat ER, Carbonized Grey
Occupation
Engineer
I had my dealer’s mobile service come out for another issue on another thread with my backup camera. The technician said there was a frunk issue that got reported that he got and would look into it. He said it just needed to be reset because it didn’t know where it was. The other day the frunk wouldn’t close and none of the buttons would close it. I manually pushed it up and then all the way closed and it latched. Then the button inside opened it fine. He said that is what he does to get it to reset and know where it is at.
 
OP
OP
Jim Lewis

Jim Lewis

Well-known member
First Name
Jim
Joined
Jan 10, 2023
Threads
40
Messages
801
Reaction score
671
Location
San Antonio, TX
Vehicles
Honda Accord 2017; 2023 Lariat ER
Occupation
Retired
I manually pushed it up and then all the way closed and it latched.
It didn't do this repeatedly for me, as I described in my OP post.

But, incredibly, the frunk had closed via FP before I put the right frunk cover back on Sunday night on completing LVB trickle charging. Monday, with the cover clipped on, the frunk wouldn't close.

Today, to trickle charge, I removed the right frunk cover. Before wiring everything up, I tried opening and closing the frunk. The FP frunk button worked 2x in a row to close the frunk hood, where it hadn't just yesterday. So, either while sitting overnight or unclipping the frunk cover, something got reset. 😲

Frunk opening and closing ought to be more reliable than this, @Ford Motor Company.
 

Sponsored

Ricks Lightning

Well-known member
First Name
Rick
Joined
Jun 13, 2024
Threads
5
Messages
128
Reaction score
104
Location
Los Angeles
Vehicles
2023 F150 Lightning Pro, 2024 F150 Lightning Flash
Occupation
Plumbing Contractor
Why is it that neither my 23 pro or 24 flash give me the option on Ford pass to open or close the frunk or tailgate. Just the doors lock and unlock.
Rick
 

TaxmanHog

Moderator
Moderator
First Name
Noel
Joined
Jan 19, 2022
Threads
169
Messages
12,026
Reaction score
12,605
Location
SE. Mass.
Vehicles
2022 Lightning Lariat-ER Max Tow & 2024 Harley-Davidson Road Glide CVO-ST
Occupation
Retired
Why is it that neither my 23 pro or 24 flash give me the option on Ford pass to open or close the frunk or tailgate. Just the doors lock and unlock.
Rick

IIRC, those are features that come alive when you configure PAAK, if that's available on your truck.
Sponsored

 
 





Top