MG4 202022 Fast Charge

[Luke Atkins]

Hi
The Fast Charge on my MG4 Trophy EV is not working. It broke in November. The dealer have confirmed that there is an issue and are waiting for a fix from MG UK. Do other people have this issue? Despite chasing the dealer, they are unable to fix the issue or give me a date for a fix.
Any help or advise much appreciated.
Thanks

 

[siteguru]

What do you mean by Fast Charge? To me a Fast charge is anything from 7kW AC and upwards. Once you get to 50kW DC you're into the realms of Rapid charge, and then 150kW+ is Ultra Rapid. (Just trying to ascertain if it's a home charging problem or an On The Road [DC] charging problem).

What model year is your car? Does it have a single or 3 phase onboard charger? (You can tell by looking at the charge port - if there are metal pins in the L2 and L3 slots then it's 3-phase). If it's a 3-phase OBC then a CCU failure was quite common on those cars.

 

[Luke Atkins]

Hi
I mean rapid charger.
My car is an MG4 Trophy EV, 2022 registration. Here is a picture of my charge point. I assume it is 3 phrase - please confirm.
If it is a CCU failure what are the next steps.
Thanks

 

[siteguru]

That 2nd image shows pins in the L2 and L3 slots, so yours has a 3-ph OBC. This sounds very like the CCU failure issue .. this is well-known, and means a new CCU (from memory). Some others here (like @tsedge) have had this very issue and had it resolved; mine is an SE SR so single phase so I can't give a chapter and verse answer, sorry.

Search this forum for CCU might throw up relevant threads, such as:

Thread 'Issue with AC charging/New CCU fitted (Phase One SE LR)'

Oct 31, 2023

Edit: Originally, I thought I had an issue with my Zappi not being able to charge the car, but after testing other AC charging points (cutting out after fifteen minutes or less) and contacting the dealer, I eventually found out it was an issue with the car, namely the charge control unit, which needed replacing. After a new CCU was fitted, the car now charges normally at home on the Zappi (AC charging), though a separate software update was needed to limit the car to 80% when doing such a charge on my SE Long Range. Without that software update, the car was ignoring the 80% limit and...

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