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w205c_43 w205c_43 is offline
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Default Need Help !!! Error Code - 04-23-2020, 11:40 PM

Freshly installed JB4 on my 2019 c43 today and had a few runs on the highway.

All in a sudden, car lost power, engine light was on, and when I use the jb4 app to read codes, it showed 061A.

I pulled over and restarted the motor, pressed the delete codes button, restarted again, the car runs again.

My concern is, since this is rather dangerous, does clearing the code solved the problem ? Moreover my app is showing "tried to use an invalid map" error code but when I drove out I selected map 1.

Has anyone had these problems before? If so, how did you solve it and should I be concerned?

Many thanks !!!
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w205c_43 w205c_43 is offline
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Default 04-23-2020, 11:49 PM

This is the log during that run
Attached Files
File Type: csv 20200423_2218_runs(2).csv (401.7 KB, 49 views)
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w205c_43 w205c_43 is offline
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Default 04-25-2020, 12:36 AM

after a day emailing with Terry (which is very helpful and reponsive)

the car still has the code, but it runs smoothly and the error map thing disappeared.

I will keep monitoring the situation and see if the car is going into limp mode again. but as if right now it is running smoothly even with the code on.


I will keep updating this thread
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Terry @ BMS's Avatar
Terry @ BMS Terry @ BMS is offline
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Default 04-25-2020, 03:24 PM

Triggered by an issue with the new v3.7 JB4 adapters I think, we compensated for it in your firmware update.


Burger Motorsports
Home of the JB4 the worlds most popular turbocharged tuning system!

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