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Jeep Wrangler JK
JK General Discussion
P0481 Code
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<blockquote data-quote="Chris" data-source="post: 424314" data-attributes="member: 1"><p><strong><span style="font-size: 18px">P0481-COOLING FAN 2 CONTROL CIRCUIT</span></strong></p><p><strong><span style="font-size: 18px"></span></strong></p><p><strong><span style="font-size: 18px">Set Condition: </span></strong></p><p>The PCM is requesting the TIPM to turn on the cooling fan on and it is not operating. One trip fault. Three good trips to turn off the MIL.</p><p></p><p></p><p><strong><span style="font-size: 18px">Possible Causes:</span></strong></p><ul> <li data-xf-list-type="ul">CAN C BUS FAILURE</li> <li data-xf-list-type="ul">ENGINE COOLANT TEMP SENSOR DTCS SET</li> <li data-xf-list-type="ul">COOLING FAN CONTROL CIRCUIT DTCS SET IN THE TIPM</li> <li data-xf-list-type="ul">POWERTRAIN CONTROL MODULE (PCM)</li> </ul><p></p><p>Have you checked the items above?</p><p></p><p>When you idle the engine for a while, does the radiator fan ever come on?</p><p></p><p>Do you ever see the engine temp gauge climb above the center position?</p><p></p><p>Does the radiator fan come on when you turn on the AC?</p></blockquote><p></p>
[QUOTE="Chris, post: 424314, member: 1"] [B][SIZE=18px]P0481-COOLING FAN 2 CONTROL CIRCUIT Set Condition: [/SIZE][/B] The PCM is requesting the TIPM to turn on the cooling fan on and it is not operating. One trip fault. Three good trips to turn off the MIL. [B][SIZE=18px]Possible Causes:[/SIZE][/B] [LIST] [*]CAN C BUS FAILURE [*]ENGINE COOLANT TEMP SENSOR DTCS SET [*]COOLING FAN CONTROL CIRCUIT DTCS SET IN THE TIPM [*]POWERTRAIN CONTROL MODULE (PCM) [/LIST] Have you checked the items above? When you idle the engine for a while, does the radiator fan ever come on? Do you ever see the engine temp gauge climb above the center position? Does the radiator fan come on when you turn on the AC? [/QUOTE]
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Jeep Wrangler JK
JK General Discussion
P0481 Code
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