In todays video I have a look at a 2015 Wrangler that was dropped off from another shop that was having as hard time figuring out why the cooling fans did not work. The fan and TIPM had already been replaced and it still doesn't work! Let's see what the issue is.
-Enjoy!
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2015 Jeep It's a Little Wrangler and it's got some issues here. We're super sick today so we're going to try to get through this least for a long day when you don't feel good. I'll tell you that let's see 111,000 Money Light was on when I brought it in, had a shop drop it off over the weekend. Today's a Monday and apparently the fans don't work.

They put a tip them in it. Oops. Lch doesn't work here. Let me get the hood up so they, uh, they put a tip them.

INE I Guess the fans still don't work. My connector looks pretty new so it must be. It's got a new fan in it too. This must be a new set of fans's opened up here.

New fans who tip them. So now I guess we got to figure out what's wrong with it and see why the fans don't work. and apparently that's why the engine light's on. they told me.

so we'll find out here. Feel like Katy Perry I'm hot and I'm cold all the same time. What do we want? Report: I guess is what we need. Let's see.

Yeah, this is what he told me here. All right. So this implausible ECU Network configuration. That's because when they put the tip them in, they never did a vehicle configuration restore cooling fan 2 circuit low so 693 and Po 480.

So if we clear the codes, all those stored codes will go away. Um, that's interesting. Okay, well that's just they want the cool and fan fix. Let's look at that before we even get into service data.

Let's just jump into uh, the engine control controller I'm Let's just make sure the fans don't work. We'll go into a active tests or where they got here. Maybe system check, special functions? We'll find it here. We'll find the cooling fans, we'll try to turn them on and uh, kind of go from there I Don't see him right there I don't see them there I think it is active test.

Let's see radiator, condenser, cooling fan relay one. Now we just want to click it on. It's like the function is not sported by the ECU Good. Let me keep poking here see if we can.

All right that. I Heard kick on the tip them don't hear the fan roaring. So all right, let me get a wiring diagram before we get too far. With that, let's just see.

uh I it's only three wires. You have a power and the ground on these guys. Oops, it's a 4 amp test light. All right.

All right. So it looks like we've got good. you know, good power and ground. Um, cuz it, this appears to be made out of the cheapest Chinesium, so it's probably some junk aftermarket fan.

Let's check our uh oh, the other wire there. it's probably a duty cycle controlled there. we going, Need that scope on the Rope This little guy here walk this up to battery ground some all right. Two volts per rision.

Let's make sure we've got good connection here. Prob yeah. Power So we got power there so we're probing in the control side here. We got nothing right now.

they still got nothing I Thought these are usually uh, grounds side switched should be just a single wire from the tip them. Let me just make sure we don't have a bad connection will come in this side of it. Let me just turn on. Maybe? Yeah, no, cuz I think the power comes from the uh from the fan, right? Yeah, cuz if it's ground side switched.
if this, if this duty cycle signal switches to ground, then it has to receive power from yeah I Don't think it's a bad connection from the module from the fan. I It's probably just a junk fan aftermarket crap. I Got a test light here Let's uh, we'll check it this way. we'll hook on.

get some battery power here. Okay, all right so now we've got oops. we've got 12 Vols here. I'll try to hold that in there.

We'll go back in here. I Just freaking want to go home, see if, see if we got. Oh look at that. we got a blinky light now.

Oh here comes the fan. so let's ramp her down to 20% There's that I got get this where you guys can see it. Let's see that's it's fun when you don't feel good. go 80% Oh she getting wound up Now boys, there's 100% You're going to lift off here in a minute.

Easy easy. We're back up. All right. All right, that's it.

Shows over. Let's go home. We can't cuz it's still too early in the morning. Needs a fan? You guys have a great day.

Let me call this shop and tell them that they need to put a fan in it. Wow, that an expected guess huh? Tip them I'm third shot to look at it All right. Ju Just For letting you guys know, here's the I like up, put a diagram for you. Here's the cooling fan.

Here's a cooling fan motor. Okay, so right down behind the radiator you got your big Power and your big grounds. We checked those. then this is that little wire coming out of there.

The power on this wire should be provided by the cooling fan module if you will and then that wire comes up and goes to the radiator fan control here on the tipm and then that uses a duty cycle control, pulls it to ground at different pulse widths to, uh, change the speed of it and you can see that we had no power coming out. But obviously the uh, the tipm is in good shape so so that's it. It needs A It needs a new fan because there's no power coming out on it all right. When we provided it with power, it worked.

So that tells us the tip's good and F's bad. Hi fol. that's it. Fixing your Jeep fan don't work? Uh, three wire power Ground Control You got to have power coming out of that fan motor or it ain't going to work.

Or if you got power coming out and it's not getting pulled to ground either, you got a broken wire or uh you know, bad. tip them there. So it thrown a code for open circuit because the tipm expects to see 12 volts. you know Keon engine off, fan off.

It wants to see 12 volts but it didn't So there you go. Comments: Cut you out.

98 thoughts on “Working when you’re sick is no fun but the show must go on”
  1. Avataaar/Circle Created with python_avatars @Railtech_63. says:

    Get well sir

  2. Avataaar/Circle Created with python_avatars @steveschaff8848 says:

    Get well soon

  3. Avataaar/Circle Created with python_avatars @jacquejecker4435 says:

    When I am feeling like that, I can't even think straight. I know you are very dedicated but you can make errors in judgement. Take care of yourself.

  4. Avataaar/Circle Created with python_avatars @michaelscriffiano9267 says:

    Feel better

  5. Avataaar/Circle Created with python_avatars @garygray7466 says:

    You should look into taking ZINC. It's the active ingredient in Zicam. Especially if you have carriers(kids)😁take one a day. Feel better soon.

  6. Avataaar/Circle Created with python_avatars @steveauston88 says:

    off topic.. did your wife sing in a band ? the james gang? if not, its her twin.

  7. Avataaar/Circle Created with python_avatars @pontificusvascillious5287 says:

    that (2015) jeep looked brand NEW …
    clean as a whistle …
    (as they say)

  8. Avataaar/Circle Created with python_avatars @jeffryblackmon4846 says:

    FEEL BETTER IN THE NEW YEAR!

  9. Avataaar/Circle Created with python_avatars @IxLongJohnxI says:

    Did he jump from battery positive to the fan to get it to start?

  10. Avataaar/Circle Created with python_avatars @donSparda says:

    I pushed myself through the worst workweek a while ago and everybody told med i should have taken a few days off and get better. i dunno is it pride that makes you stay there when you shouldnt? Anyhow working when sick is soooo lame. get better Mr. O

  11. Avataaar/Circle Created with python_avatars @tatertots-n-soup says:

    LoL So… It is a show

    Ha ha just joking. Hope you get well fast and doesnt spread

  12. Avataaar/Circle Created with python_avatars @loggingdaddy says:

    They'll take it to a different shop. They just put that fan in and it's new so it's gotta be good.

  13. Avataaar/Circle Created with python_avatars @bubdawgswhatdoyouthink7381 says:

    Is this covid round 5 for you 😢

  14. Avataaar/Circle Created with python_avatars @SuperDave21 says:

    Feel better soon Eric.

  15. Avataaar/Circle Created with python_avatars @jduda1127 says:

    Sick and playing doctor. It sucks while it last. Get well soon Eric O.

  16. Avataaar/Circle Created with python_avatars @TheSkysteve says:

    hope you feel better soon

  17. Avataaar/Circle Created with python_avatars @gslogar1 says:

    Please go home.

  18. Avataaar/Circle Created with python_avatars @patleung4176 says:

    Feel better. Thanks for making the video while sick. Appreciate it.

  19. Avataaar/Circle Created with python_avatars @mailmanjoe says:

    Dang Eric! You got the kung flu?? Still the best diagnostician out there!

  20. Avataaar/Circle Created with python_avatars @jetski54 says:

    Good video. Hope you feel better!

  21. Avataaar/Circle Created with python_avatars @adamtrombino106 says:

    I feel for ya Eric. Being sick can cloud the mind but sometimes we just kinda go into a full blown diagnostic robot mode, duty bound. So no humor, no nonsense, point A to B and then leave me alone! LOL! Ironically I just did a fan on a Challenger that was new, but inop right outta the box. The OE just plain ol burned out. The aftermarket was open circuit, brand new! Got 1 from the stealer which was $$ but fixed it. No parts cannon TIPM 😉

  22. Avataaar/Circle Created with python_avatars @user-yq4hn8hf9q says:

    … you're like watching a magician wondering how he did that.

  23. Avataaar/Circle Created with python_avatars @trustme2720 says:

    I don't get it. If the fan is bad then why was it just running?

  24. Avataaar/Circle Created with python_avatars @mattbrown5511 says:

    PentaStar Jeeps are just the best (extreme sarcasm intended). Great diagnosis as always though.

  25. Avataaar/Circle Created with python_avatars @StephenCole1916 says:

    Hope you feel better, take it easy until you do. Plenty of vitamin C and chicken noodle soup!

  26. Avataaar/Circle Created with python_avatars @skylermitchell8212 says:

    Messed the ending about comments insty Facebook YouTube

  27. Avataaar/Circle Created with python_avatars @richardclark375 says:

    Get well soon, Eric

  28. Avataaar/Circle Created with python_avatars @josephreisinger33 says:

    Feel better brother 😢😊

  29. Avataaar/Circle Created with python_avatars @michaelskinner896 says:

    Glad you're feelin' better.

  30. Avataaar/Circle Created with python_avatars @chrischrismon2766 says:

    Man…even in your worst condition, your still top notch. Thanks Dr. Eric!! Glad to see your feeling better.

  31. Avataaar/Circle Created with python_avatars @williamsarver2491 says:

    What ever happened to your Jeep Cherokee? From Tennessee?

  32. Avataaar/Circle Created with python_avatars @melvinjones3895 says:

    can't see 12 volts. Van is a no go van. Your sick go home get in bed cover up your head lemon water and wild Turkey.

  33. Avataaar/Circle Created with python_avatars @RJon2006 says:

    We wonder why we don’t trust shops…3 shops later and the problem is diagnosed. What a shame. Good job, Eric. Feel better!

  34. Avataaar/Circle Created with python_avatars @tracycolorado says:

    Lay off of the egg nog . 😂

  35. Avataaar/Circle Created with python_avatars @earlrichardet2102 says:

    Hope you feel better real soon! T'is the season of flu, colds and the Big "C"

  36. Avataaar/Circle Created with python_avatars @tylerwilliams3868 says:

    learned something new! didn't know the fan provides the power on the control side! could i just switched the ground feed of the scope to power and get the same result as backfeeding the fan/control side circuit?

  37. Avataaar/Circle Created with python_avatars @wicked5312 says:

    Anyone have a clue as to why my 2004 f150 4.2L V6 is starting up fast and normal but dies in about 1 second maybe less, I have spark and fuel pressure, no codes but check engine light is on

  38. Avataaar/Circle Created with python_avatars @ronaldanderson9263 says:

    I can't watch you suffer with a parking lot full of cars and you just want to go back to bed and a New York December is right outside the service door. Get better dude.

  39. Avataaar/Circle Created with python_avatars @nevamind932 says:

    Get well soon, awesome video

  40. Avataaar/Circle Created with python_avatars @kadyszrybak6280 says:

    Please put brand off the car in the title , so people can find what car you are working . Like this one you should have Jeep in the title .

  41. Avataaar/Circle Created with python_avatars @jalton9416 says:

    You're an excellent mechanic and even better man. Get Well.

  42. Avataaar/Circle Created with python_avatars @Chico-td2fy says:

    Happy new year hope your feeling better sir.

  43. Avataaar/Circle Created with python_avatars @tonywestvirginia says:

    Hope you feel better soon, Bro!

  44. Avataaar/Circle Created with python_avatars @scottyparker2534 says:

    Sorry that you're sick Eric but I agree with this other guy, even when you're sick you're better than most others while they're awake, and in good health thank you for your videos

  45. Avataaar/Circle Created with python_avatars @G31mR says:

    I feel ya' , Eric. I have the 'rona, too.

  46. Avataaar/Circle Created with python_avatars @bobmanp8653 says:

    i feel great … great video

  47. Avataaar/Circle Created with python_avatars @gcrauwels941 says:

    Feel better Eric O. Happy New Year.🙏

  48. Avataaar/Circle Created with python_avatars @Grumpyoldman037 says:

    You do look a little green around the gills there. I recommend chicken soup.

  49. Avataaar/Circle Created with python_avatars @TylersNeighborhoodGarage says:

    Sounds like it might be the RONA again.

  50. Avataaar/Circle Created with python_avatars @alanjackson4397 says:

    Get well soon

  51. Avataaar/Circle Created with python_avatars @BMan100 says:

    A lot of editing must have gone on to remove any "coughing" and "hacking" moments in the video…

  52. Avataaar/Circle Created with python_avatars @FortWorthMobileMechanic says:

    Your great even sick I hope you feel better soon

  53. Avataaar/Circle Created with python_avatars @goodcitizen64 says:

    Great job and hope you feel better soon brother!!

  54. Avataaar/Circle Created with python_avatars @jamesgeddes797 says:

    That video was sick man! Seriously, hope you get to feeling better. Take care of yourself bro.

  55. Avataaar/Circle Created with python_avatars @TheBry_Guy says:

    im sick and working too! i feel the pain…good diag though… i'm on the nightshift… so luckily don't have to do much besides sniff, hack and swear loudly every time I cough….*hack* Damnit!

  56. Avataaar/Circle Created with python_avatars @jgeorges3061 says:

    ERIC, as always AWESOME FIX and happy new year to u and ur family hope u will get better soon for new year celebration as always thanks for sharing. cheeeeers

  57. Avataaar/Circle Created with python_avatars @techdude2000 says:

    Hope you feel better soon. You’re better than most mechanics even when you’re sick. Fighting the flu myself, I hate being sick.

  58. Avataaar/Circle Created with python_avatars @jpack61108 says:

    Hope you feel better

  59. Avataaar/Circle Created with python_avatars @ellobodorado3593 says:

    💪💪💪🙏🙏🙏🌲🌲🌲🎅🎅🎅🎅🎅🇩🇴🇩🇴🇩🇴🇩🇴

  60. Avataaar/Circle Created with python_avatars @carlevans7966 says:

    You're the best of the best

  61. Avataaar/Circle Created with python_avatars @keylock9064 says:

    prayers are with you Eric. God bless and stay safe you are the best.

  62. Avataaar/Circle Created with python_avatars @russbird8257 says:

    THANKS.ERIC .. BEST TO ALL THERE .. PEACE

  63. Avataaar/Circle Created with python_avatars @luctessier2215 says:

    Can anyone tell me if these are brushless and pwm fans?

  64. Avataaar/Circle Created with python_avatars @bigdaddymak1439 says:

    Spend hundreds of dollars on a Karen and Nancy cold air intake but buys a Chinesium fan that ends up costing a thousand dollar tipm!! SMH

  65. Avataaar/Circle Created with python_avatars @strokermaverick says:

    Well, that 3.6 v6, may have another 30,000 miles, before the heads Crack. Regardless of proper cooling. They, all crack.

  66. Avataaar/Circle Created with python_avatars @FedUpAh says:

    Eric, hope that the New York blues did not stay around long. sure could use your skills here in the free state of Tennessee.

  67. Avataaar/Circle Created with python_avatars @utahyork3338 says:

    Get some chicken soup in your body and lots of rest! Got to get ready for New Year's Eve! 🙂

  68. Avataaar/Circle Created with python_avatars @macsloan58 says:

    That’s a strange looking Pentastar engine. Way too many aftermarket parts?

  69. Avataaar/Circle Created with python_avatars @chonzie16 says:

    Happy New Year 🎉

  70. Avataaar/Circle Created with python_avatars @LeewardStudios says:

    Hope you get to feeling better.

  71. Avataaar/Circle Created with python_avatars @badgerdave22 says:

    Hope you’re feeling better soon, Eric!

  72. Avataaar/Circle Created with python_avatars @mazzg1966 says:

    Hope you feel better soon Eric! Happy New Year to you and your family!

  73. Avataaar/Circle Created with python_avatars @sicily6740 says:

    Mister O – Sorry you're feeling so poorly. Please take good care of yourself – you have a lovely wife and great kids who need you.

  74. Avataaar/Circle Created with python_avatars @Michael-yi4mc says:

    That fan sounds like it is out of balance. Don’t settle for a cheap Chinese made fan.

  75. Avataaar/Circle Created with python_avatars @michaelpickett6573 says:

    MAN DOWN

  76. Avataaar/Circle Created with python_avatars @That08civicsi says:

    Why do I feel sick now but I was good 10 min ago 😂😂😂

  77. Avataaar/Circle Created with python_avatars @greggc8088 says:

    Throw the fan module assy out the DORMAN.

  78. Avataaar/Circle Created with python_avatars @45AMT says:

    Hope you're feeling better now Eric. Working while sick sucks! Good job on the Jeep.

  79. Avataaar/Circle Created with python_avatars @dalebennett5227 says:

    Happy New Year

  80. Avataaar/Circle Created with python_avatars @davespinola3076 says:

    What is a "tipem" never heard that term???

  81. Avataaar/Circle Created with python_avatars @wadepatton2433 says:

    Feel better sooner. Let Mrs. O take care of ya for a minute. Got me a SMA hoodie in route.

  82. Avataaar/Circle Created with python_avatars @gregjohnson2073 says:

    Get well soon

  83. Avataaar/Circle Created with python_avatars @beaviskornholio2754 says:

    Feel better. I'm sick as well and it sucks 😪

  84. Avataaar/Circle Created with python_avatars @line10cls says:

    My tail of who. 25th Nov fell backwards down stairs 3 days in hospital found fracture of L1 vertebrae also shadow on left kidney, a few days back at home. off for another scan 210th Dec. scan shows tumor on left kidney, surgery booked 21st Dec, have had kidney removed. back at home now so just slowly slowly. I am Recovering well. Thank heavens for youtube

  85. Avataaar/Circle Created with python_avatars @gregjohnson2073 says:

    Might be COVID. Don't let it get worse.

  86. Avataaar/Circle Created with python_avatars @MrMebigfatguy says:

    Eric O: "im just a regular mechanic like thousands of others, i just have a youtube channel."

    Also Eric O: "this jeep is here after two other shops, and look here's whats wrong with it after 15 minutes of diagnosis"

  87. Avataaar/Circle Created with python_avatars @knobrush says:

    hey look, a spectre noise maker.

    Feel better Eric!!

  88. Avataaar/Circle Created with python_avatars @abramsmobileautorepair says:

    I feel it man. I was sick through christmas and out all day in 4 degree wheather workin on broken chevys (surprise! Lol)

  89. Avataaar/Circle Created with python_avatars @stephenbonesteel664 says:

    Work in pluming at Lowe’s . I use Eric’s new does not mean good all the time. When working with contractors we would call them Monday morning parts. Some one on the line would put it together hung over, and quality control was in no better shape

  90. Avataaar/Circle Created with python_avatars @ejwxb2561 says:

    Get Well soon Eric – Happy New Year to you and the family! Thanks so much for the great year(s) of videos!

  91. Avataaar/Circle Created with python_avatars @scottfirman says:

    Going on week 3 of the crud. I started out same as you. Doctor said it just has to run its course. It's one of those " hurry up an be finished already" bugs. I cones quickly, but doesn't go quickly.

  92. Avataaar/Circle Created with python_avatars @GPCCkitchener says:

    This video was painful to watch. Please stay home when you are sick, for everybody's sake.

  93. Avataaar/Circle Created with python_avatars @peterd314 says:

    Thanks for making a video when you feel like crap! Merry Christmas from Canada

  94. Avataaar/Circle Created with python_avatars @bismarcksandiego6539 says:

    get well soon

  95. Avataaar/Circle Created with python_avatars @randyhughes5160 says:

    I am a little confused if you made the fan work but it’s bad

  96. Avataaar/Circle Created with python_avatars @alenmihelcic8267 says:

    No work sick if is high temp. !
    I was damage my hart . Must go,must go… Then stop. Now walk like 70 years men

  97. Avataaar/Circle Created with python_avatars @steveobrien4459 says:

    J E E P, just empty every pocket!! LOL

  98. Avataaar/Circle Created with python_avatars @SouthMainAuto says:

    Shop took the Jeep back and replaced the "new" fan with another new fan and all is well. We made the right call. Remember folks, "new" does not always mean "good."
    -Eric O.

    PS. I am feeling better now. Just had a few day bout with ol' rona

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