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HeN2O2
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- First Name
- Steve
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- Shell Beach, CA
- Vehicle(s)
- 2023 JL Rubicon Diesel; 1983 CJ-8
It looks like communication errors caused by a low/bad battery. Battery voltages between 13.2V and 14.0V indicate your alternator is charging the battery. If you have ESS, check both batteries. Communication errors caused by a bad battery or electrical connection yield a large variety of phantom error codes.
For a Jeep JLU, a normal battery voltage reading while driving is typically between 12.5V and 14.5V. When the engine is running, voltages around 13.7V to 14.7V are considered normal, while a fully charged battery at rest should measure about 12.6V to 12.8V.
For a Jeep JLU, a normal battery voltage reading while driving is typically between 12.5V and 14.5V. When the engine is running, voltages around 13.7V to 14.7V are considered normal, while a fully charged battery at rest should measure about 12.6V to 12.8V.
Dyolfknip74
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do you have an aux battery? Change it. If not, swap out the green connector behind glove box. It is known to have cold solders as well.
mwilk012
Well-Known Member
Have you done any other work to the vehicle recently?
Do you have any reason to belief that the codes all came up at the same time?
Do you have any reason to belief that the codes all came up at the same time?
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