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Hybrid electrical / engine trouble

Maverick Lite

2.5L Hybrid
Member
First Name
Naftali
Joined
Oct 7, 2021
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6
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Location
Lakewood
Vehicle(s)
Hyundai Sonata
Engine
2.5L Hybrid
A few months ago, my hybrid maverick wouldn't turn on. It took a while but after successfully jumping it, an alert popped up on the app showing my truck was running low on battery 3 hours earlier, so possibly something I had done in the truck caused it to lose battery.
A few weeks ago the check engine light came on with code, I believe it was P237B and P237C.
The light went away on its own before I could even take it to a dealer, so I let it slide as life got in the way.
A few days ago my truck completely died the second I removed the key after parking. The truck came back to life a half hour later on its own. Today the same thing happened, despite the fact I now unplug my dashcam, and have turned off all extra features such as modem, auto updates, and fordpass connectivity.
I plan on getting this to a dealer as soon as possible. Has anyone else experienced anything similar?
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Darnon

2.5L Hybrid
Well-known member
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WNY
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2022 Maverick
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2.5L Hybrid
The two codes are likely unrelated to the loss of power although could indicate a bad exhaust to coolant heat exchanger.

The loss of 12V power is probably the infamous bad battery cable connector which yours is early enough for and there is a CSP to replace. Another possibility is the DC/DC converter 300A fuse.
 
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OP

Maverick Lite

2.5L Hybrid
Member
First Name
Naftali
Joined
Oct 7, 2021
Threads
6
Messages
24
Reaction score
22
Location
Lakewood
Vehicle(s)
Hyundai Sonata
Engine
2.5L Hybrid
The two codes are likely unrelated to the loss of power although could indicate a bad exhaust to coolant heat exchanger.

The loss of 12V power is probably the infamous bad battery cable connector which yours is early enough for and there is a CSP to replace. Another possibility is the DC/DC converter 300A fuse.
Oh wow I had no idea...
Thank you for the informative reply!
 

Ford Motor Company

Well-known member
Official Ford Account
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Dearborn, mi
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Maverick
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Undecided
A few months ago, my hybrid maverick wouldn't turn on. It took a while but after successfully jumping it, an alert popped up on the app showing my truck was running low on battery 3 hours earlier, so possibly something I had done in the truck caused it to lose battery.
A few weeks ago the check engine light came on with code, I believe it was P237B and P237C.
The light went away on its own before I could even take it to a dealer, so I let it slide as life got in the way.
A few days ago my truck completely died the second I removed the key after parking. The truck came back to life a half hour later on its own. Today the same thing happened, despite the fact I now unplug my dashcam, and have turned off all extra features such as modem, auto updates, and fordpass connectivity.
I plan on getting this to a dealer as soon as possible. Has anyone else experienced anything similar?
Hi there, Naftali. This engine concern doesn’t sound like something we want you to experience with your Maverick. Could you please send us a PM with your VIN and the name and location of your Ford dealer? I'd be happy to look into how I can assist you on my end.
 
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OP

Maverick Lite

2.5L Hybrid
Member
First Name
Naftali
Joined
Oct 7, 2021
Threads
6
Messages
24
Reaction score
22
Location
Lakewood
Vehicle(s)
Hyundai Sonata
Engine
2.5L Hybrid
Just posting an update here. My truck went to a Ford Dealer and they determined the issue was in fact the bad cable connector. They replaced it and things are working fine now.

Thank you @Darnon for the quick response (and for being right on the money)!

Thank you for reaching out @Ford Motor Company as well.
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