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Discussion Starter #21
Also, I do have a few questions for those who have gotten the SSN message:
When was your Escape manufactured?
Is yours a Titanium Hybrid, or another trim level?
Titanium Hybrid AWD
Build date 11 December 2019
 

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Discussion Starter #22
I saw an EV output of 45kW on your dash. To get that much power from a 216v battery, you need 45,000/216 = 208 amps. I'll wager it was a thermal shutdown in the inverter. My peak sustainable EV to date is 22kW.
Yeah I've seen it hid mid 20's on a cold engine or after sitting for a long time. I had that happen to me today after sitting in a drive through. I was getting on the highway and it was going up to like 30kW sustained. I thought it was about to have another SSN.

I bet it was more than 208 amps. At that kind of current the voltage drop of the battery is going to be massive. Pulling 200+ amps out of a tiny 1kW battery is going to have a massive drop. Interestingly enough it was engine shutdown not electrical shutdown. It turned the engine off and limited to 9kW.

The plug in will likely have a 75kW electric motor and its in the same footprint as ours so I would imagine ours can sustain a 50kW output without having inverter overheat. Is the inverter liquid cooled in this car? Is it cooled with trans fluid? I'm not 100% sure but it could very well be.
 

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As of about 10 minutes ago: The only code they can get now is "Engine failed to start", no other codes stored.

And yeah, I don't think this dealership has much experience themselves. The person I spoke to today said they had to bring in a 'hybrid specialist' from another dealership to look at it. The way it was explained to me was that the guy they brought in was doing "pinpoint" testing and trying to identify the case of the noise. Since there are no helpful codes, they are going to see if they can get any telemetry data to see if anything was captured there. If they get nowhere with that, then they are going to request a Ford Engineer directly comes to look at it to find out what happened.

Seeing the notes on power, I had similar. I saw the electric shoot up to 40KwH as well. It was that high for about 30 seconds before it threw the SSN message.

As for mine:
2020 Escape Titanium Hybid AWD - Velocity Blue
Build Date: 19 December 2019

Rest of my rides:
2016 Mustang Ecoboost Premium
2003 300B Mercury Marauder (#379 of 389 B-prods made).
 

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Discussion Starter #26
As of about 10 minutes ago: The only code they can get now is "Engine failed to start", no other codes stored.

And yeah, I don't think this dealership has much experience themselves. The person I spoke to today said they had to bring in a 'hybrid specialist' from another dealership to look at it. The way it was explained to me was that the guy they brought in was doing "pinpoint" testing and trying to identify the case of the noise. Since there are no helpful codes, they are going to see if they can get any telemetry data to see if anything was captured there. If they get nowhere with that, then they are going to request a Ford Engineer directly comes to look at it to find out what happened.

Seeing the notes on power, I had similar. I saw the electric shoot up to 40KwH as well. It was that high for about 30 seconds before it threw the SSN message.
Sounds like we have the EXACT same issue, yours just progressed worse than mine. The only code left for me was engine disabled as well. I talked to the dealer on Saturday and he said they thought they had it fixed but didn't know what the tech did. He asked if they could take it on an extended test drive. I'm sure this has to be something Ford engineering is looking into if there's more than one of us here with this issue.

Trans is definitely cooled and I believe the HVB is too. I know it is in the plugin.
The trans is cooled with trans fluid only. That's how the electric motors are cooled. Not sure if there's an external cooler or not. The HVB is liquid cooled with a separate loop than the engine.
 

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Sounds like we have the EXACT same issue, yours just progressed worse than mine. The only code left for me was engine disabled as well. I talked to the dealer on Saturday and he said they thought they had it fixed but didn't know what the tech did. He asked if they could take it on an extended test drive. I'm sure this has to be something Ford engineering is looking into if there's more than one of us here with this issue.
Yep, it does seem like the exact same issue.. Hope nobody else's gets to the state mine is in though. As of the last update, the dealership identified the loud whine noise and stated it's coming from the transmission, but also stated that it may be more as a result of the situation when it was towed, not the cause of the SSN as they thought it may not have shifted correctly when it lost power resulting in damage when it was towed. . They asked to take it on an extended drive, and asked if it was okay to put about 100 mi on it as well without me asking. I am hoping that's a sign someone is trying to get more info.
 

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Discussion Starter #28
Interesting since they asked me to take it on an extended drive too. I agreed. Keep me posted. Funny that ours is both in for the same issue (seemingly) at the same time.
 

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This is what they told me as of this morning: The transmission is being replaced. The only insights they gave were that the whine I was hearing was from the transmission and that it may be something was over-torqued or out of alignment, and when it got hot enough, it would trigger a malfunction and switch to electric-only "limp mode", but they are still not 100% sure, so they are going to replace the transmission, then test drive it for about 150 mi to see if they can trigger the SSN again.
 

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This is what they told me as of this morning: The transmission is being replaced. The only insights they gave were that the whine I was hearing was from the transmission and that it may be something was over-torqued or out of alignment, and when it got hot enough, it would trigger a malfunction and switch to electric-only "limp mode", but they are still not 100% sure, so they are going to replace the transmission, then test drive it for about 150 mi to see if they can trigger the SSN again.
Thanks for feedback.
 
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