2015 Rubicon-Fan not working. - JKowners.com : Jeep Wrangler JK Forum
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post #1 of 3 Old 01-28-2019, 02:10 PM Thread Starter
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Join Date: Oct 2018
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2015 Rubicon-Fan not working.

My 2015 Rubicon fan does not come on. It it throwing the P0480 and P0693 codes. I have checked the power/ground to the plug, made sure they are connected tightly at the battery and body. All fuses are good. I have reset codes multiple times and it doesn't disappear. For a while I could reset the codes and it would be good for a while. Now it doesn't go away at all.

Are there any relays I can check/replace/swap to see if that is the problem.

Also read it could be the temp sensor but would like to know if there are any relays I can check first.

Here is a pic of my jeep since i am fairly new to the site...
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post #2 of 3 Old 01-29-2019, 07:23 PM
Join Date: Jan 2019
Location: Centre County PA
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First, make sure the fuse is actually working. Use a meter, and check for conductivity. Don't go by physical appearance. If the fuse is good, next try the relay. You can swap the fan relay with another similar one (same numbers). If the fan works, and the problem follows the relay, that's the problem. After that, start looking at the connector and wires.
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post #3 of 3 Old 01-30-2019, 09:12 AM
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I do not think the Pentastar motors have fan relays. They run off a PWM signal from the TIPM.
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