Thread: JB4 app update
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Steve @ BMS/Fuel-It!'s Avatar
Steve @ BMS/Fuel-It! Steve @ BMS/Fuel-It! is offline
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Default 06-18-2021, 08:59 AM

Verify and reseat your OBDII cable connections as well. You can also try putting your phone closer to where the JB4 is installed and see if that does anything, could be a weak signal.



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