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Default 2014 n63tu help - 08-23-2020, 11:49 PM

Having issues with the wastegate when my jb4 is installed. Itís giving me a drivetrain error is there a way to completely reset the jb4 settings to stock to see if changing something messed with it?
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Default 08-24-2020, 05:28 PM

Post up a JB4 log of the issue if you need tuning advice.


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

It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways. Please click here for more information on legal requirements related to use of BMS parts.
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Default logs - 08-25-2020, 01:01 PM

these are the logs map 0, map 4, map 1. im also getting a drivetrain error when i turn on the accessory before i even start the car.
Attached Files
File Type: csv map0.csv (8.2 KB, 22 views)
File Type: csv map1.csv (7.2 KB, 21 views)
File Type: csv map4.csv (10.0 KB, 22 views)
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Default 08-26-2020, 12:37 PM

Looks like it's stuck in limp mode. Photo of BCM connector install and actual codes via JB4 app?


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

It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways. Please click here for more information on legal requirements related to use of BMS parts.
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Default Ok - 08-26-2020, 02:22 PM

The bcm connections arenít installed the codes are 121542 and 120908 and the code for the maf being disconnected
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