2004 WJ ABS Low voltage - JeepForum.com
 
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post #1 of 4 Old 05-24-2020, 09:22 PM Thread Starter
corvettemina
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2004 WJ ABS Low voltage

Hello all, i have a 04 wj with the 4.0. recently replaced some brake lines and bled the brakes. I started it the other day and say the abs light was on but like not actually on it was sort of dim. i took it to pep boys so they could read the abs module and they said it was reading "low voltage" and "instrument panel" he told me it was most likely from replacing a battery soon (which i did about 2 months ago) and i had to drive it about 150 miles. Is this true?

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post #2 of 4 Old 05-25-2020, 03:47 AM
TollyWJ
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disconnect the battery and touch the positive battery cable to ground for about 30 seconds. you can leave the battery disconnected overnight if you want as well. see if the code goes away. usually if the light is on, it will be on, not dim. I would look more into the body control module and abs module itself. could be that the pump saw a bit of air and didnt like it and just needs to be cleared.
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post #3 of 4 Old 05-25-2020, 12:52 PM Thread Starter
corvettemina
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Touched the to cables together with no luck. Any other suggestions?
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post #4 of 4 Old 05-26-2020, 09:55 AM
TollyWJ
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Check the abs pump fuse, unfortunately the next step is using a high dollar scanner to see if modules got fried, meaning you'll need to take it to a shop or dealer.
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