2021 GT/GTPE MMEs Without HVBJB Failure - Tracking List

[Falcon53]

There have been a lot of forum members who have experienced the Stop Safely Now (SSN) or Service Vehicle Soon (SSN) errors while driving, caused by a detected failure of the HVBJB. SSN failures require you to have the car towed, while SVS is a warning that the HVBJB is about to fail, and you need to get the car to the dealer to have it replaced. With SVS, you can still drive but with reduced power.

There are many threads on this subject as more and more forum members have experienced the failure. But not everyone has, including me.

It is well known that the GT and GTPE models have a higher failure rate. So many have failed, that at one point I thought I might be the only one with a GT on the forum without a failure. But no, there are others.

The point of this thread is to record all of us who have not had a HVBJB failure, and if any of us get the failure, track when that occurs.

If you own a 2021 GT or GTPE that has never had SSN or SVS due to the HVBJB, please post here and I will add you to the list. If you do get the failure, please come back here and post again with the details so I can put the date of your failure in the table.

Forum Member	Model	SVS Date	SSN Date
@mkhuffman	GT	None	None
@silverelan	GT	None	None
@SSnc	GTPE	None	None
@tuminatr	GTPE	None	None
@rgreene	GTPE	None	None

Just for fun, I am posting a picture of the HVBJB that @Mach-Lee used in his awesome thread here: https://www.macheforum.com/site/thr...age-battery-junction-box-nk4z-10c666-c.20425/

I also decided to include a poll, just to see if we can determine the percentage of forum members with a 2021 GT or GTPE have had the failure. It seems very high based on what I have seen posted, but that is subjective. Maybe the poll will be more accurate.

Note: there are other problems that can cause SSN or SVS. This thread is about HVBJB problems only.

2021 GT First SVS Failure at 20,280 miles on August 5th, 2023

Sponsored

 

[HuntingPudel]

2021 GT First SVS Failure at 20,280 miles on August 5th, 2023

My GT-PE’s first SVS was 13 days after yours. ?? I got the message right after I set the ACC. ?‍?

 

[Mach1E]

I doubt we will ever know but I have wondered if Ford has looked into manufacture dates and failure rates of the HVBJB and or the contactors installed in the HVBJB. I kept track of the manufacture dates for vehicles with failures for awhile as they were posted but it seemed random.

I don’t think it’s a “bad batch,” but more likely sloppy manufacturing tolerances.

My bet is some are doomed to fail while others may never. And the % of may never is much higher than the doomed ones.

And if yours is doomed, driving faster will doom it more quickly.

 

[neutrino]

2021 GTPE in service January 2022, 17K miles, no failures (yet)

 

[DevSecOps]

Let me help you a bit...

GT/GTPE failures so that they can vote if they so choose to:

@Say Watt @KadeBR @tomhenchal @Cptmorgemaker @Kerik @dgilles428 @Aye Aye Ron @thewraith @breeves002 @MadManMoon @scoopman @jamelski @EELinneman @LF699 @khbkhb @Veletra @Gil McC @Neil4Real @heisnuts @TheProgrammer @Fat Mach @harrysiii @pr3dict @JoeSnow @COMachENoDecals @Up and Over @JasonGT @jgoergen728 @PalsyWalsy @ryley19 @hayhayday @rgonyer @ArminiusJ @MK_E_4X @skuker @emillican @ctenidae @Eric0w @Rob S @3ricther3d @wesleypo @jjhenry @bncwhite @Chris-MMEX_GT500

There's also 3 people, so far, who said that they have a 2021 GT and they don't.

 

[DevSecOps]

Let me add a few more for GT/GTPE failures so that they can vote if they so choose to:

@Calipack @Caramel @GuliblGuy @benk016 @machme @braddallas @vinhrules @i8iridium @cbfdrf @RosarioM @Mach_Enrique @Scarlett @SDMMEGT @Kingosat @JMCH @MACHEGT2021 @Billy Biahop @ScarletBeard @SaleenGTR @Blue_Skies_Lewes_DE_USA @WyldStallyn @MazzMayhem @Nate880 @I90machegtpe @CharlesGT @Yetanotherford @Murse-In-Airy @Keith21MachEGTPerformance @JoelThePony @MachEGTPilot @Ashley1227

 

[GuliblGuy]

Let me add a few more for GT/GTPE failures:

@Calipack @Caramel @GuliblGuy @benk016 @machme @braddallas @vinhrules @i8iridium @cbfdrf @RosarioM @Mach_Enrique @Scarlett @SDMMEGT @Kingosat @JMCH @MACHEGT2021 @Billy Biahop @ScarletBeard @SaleenGTR @Blue_Skies_Lewes_DE_USA @WyldStallyn @MazzMayhem @Nate880 @I90machegtpe @CharlesGT @Yetanotherford @Murse-In-Airy @Keith21MachEGTPerformance @JoelThePony @MachEGTPilot @Ashley1227

I don't have a GT, but have had the new revised part fail in my Premium 4x

 

[DevSecOps]

I don't have a GT, but have had the new revised part fail in my Premium 4x

Sorry, I have you in my list as a GT for some reason. I guess I gave you an upgrade

 

[GuliblGuy]

Sorry, I have you in my list as a GT for some reason. I guess I gave you an upgrade

Tell Ford!

 

[jjhenry]

2021 GT
Manufacture Date: 14 Sep 2021
HVBJB Failure Date (SSN): 5 Jul 2023
Odometer at failure time: 14196

 

[ctenidae]

2022 GT, HVB warning on Jan 12 2023, heebyjeeby replaced. No actual idea how many miles I had at the time.

 

[JoelThePony]

2022 GTPE, HVB warning on Aug 22 2022 almost exactly a year ago.

warning happened after the temporary software fix.

took 6 weeks to get it fixed at the time.

Based in Toronto

 

[jamelski]

Yep mine failed and going good. I DCFC even more now and wot stop light to stop light so far so good ??‍

 

[BigMach-E]

2021 GTPE, failure at 5.8k miles. 2021 Select AWD, failure at 8k miles.

 

[heisnuts]

Let me help you a bit...

GT/GTPE failures so that they can vote if they so choose to:

@Say Watt @KadeBR @tomhenchal @Cptmorgemaker @Kerik @dgilles428 @Aye Aye Ron @thewraith @breeves002 @MadManMoon @scoopman @jamelski @EELinneman @LF699 @khbkhb @Veletra @Gil McC @Neil4Real @heisnuts @TheProgrammer @Fat Mach @harrysiii @pr3dict @JoeSnow @COMachENoDecals @Up and Over @JasonGT @jgoergen728 @PalsyWalsy @ryley19 @hayhayday @rgonyer @ArminiusJ @MK_E_4X @skuker @emillican @ctenidae @Eric0w @Rob S @3ricther3d @wesleypo @jjhenry @bncwhite @Chris-MMEX_GT500

There's also 3 people, so far, who said that they have a 2021 GT and they don't.

? Mine was a Premium 4X. I should have gotten a GTPE, but didn't know how much fun the MME could be on the backroads. And if I had bought a GTPE, I bet I would have gone through more than the 5 HVBJB's I blew in the 4X. I did not make that mistake with the Model 3. I got the Model 3 Performance.

But to answer the question on my 4X for this thread, the first failure came early before the software recall came out so I got a SSN message after shutting off the car and trying to restart it. The other 4 times were after the recall and I got the SVS message with the codes that told the dealer the HVBJB was on it's way out.

Sponsored