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Jeep Wrangler JK
JK General Discussion
2015 JKU HOT OIL and U0101 Code
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<blockquote data-quote="Txhorns13" data-source="post: 440215" data-attributes="member: 18626"><p>About 2 months ago I replaced the ignition switch on my 2015 Rubicon Unlimited due to a delayed start. I can turn the key to the start position and nothing happens. If i wait half a second longer and then turn the key, it starts. Since the new switch did not work, I reinstalled the old one. I then started getting a check engine light and HOT OIL warning light and alarm. I have watched every youtube video on it and have found nothing useful. I can turn the key to the on position and the HOT OIL light and alarm will come on with the engine not running. What I have done (1) Checked the fuses and all are good. (2) Upgraded the battery cables and ground cables with Jeepcables.com 0 gauge cables. I checked all connections and then upon starting it I get the HOT OIL light and alarm still. When running an OBD scan I get the code U0101 lost communication with TCM. I have checked and cleaned connections to the TCM, and see nothing wrong. Has anyone experienced this? If so what fix did you have?</p><p></p><p>[ATTACH=full]119503[/ATTACH]</p><p></p><p>[ATTACH=full]119504[/ATTACH]</p></blockquote><p></p>
[QUOTE="Txhorns13, post: 440215, member: 18626"] About 2 months ago I replaced the ignition switch on my 2015 Rubicon Unlimited due to a delayed start. I can turn the key to the start position and nothing happens. If i wait half a second longer and then turn the key, it starts. Since the new switch did not work, I reinstalled the old one. I then started getting a check engine light and HOT OIL warning light and alarm. I have watched every youtube video on it and have found nothing useful. I can turn the key to the on position and the HOT OIL light and alarm will come on with the engine not running. What I have done (1) Checked the fuses and all are good. (2) Upgraded the battery cables and ground cables with Jeepcables.com 0 gauge cables. I checked all connections and then upon starting it I get the HOT OIL light and alarm still. When running an OBD scan I get the code U0101 lost communication with TCM. I have checked and cleaned connections to the TCM, and see nothing wrong. Has anyone experienced this? If so what fix did you have? [ATTACH=full]119503[/ATTACH] [ATTACH=full]119504[/ATTACH] [/QUOTE]
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Jeep Wrangler JK
JK General Discussion
2015 JKU HOT OIL and U0101 Code
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