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Thread: Tire Pressure light illuminated alongwith DSC/TCS light came on - 2016.5 Touring

  1. #16
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    Quote Originally Posted by yrwei52 View Post
    You definitely have more issues than Kaps. You can take your CX-5 to AutoZone to read the codes for free and get a printout with a list of associated problems. Then take your CX-5 with the printout to your Mazda dealer for warranty service. Of course you want to mention this's a 2nd try for the same problem.
    If there's no CEL doubtful there would be codes. He can check the Warning Screen and see if there's anything there. If so take a pic in case the warnings go away.

  2. #17
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    I suppose it would've been smart of me to say that my vehicle has just over 19k miles on it and is still under the new car warranty through Mazda. All the work they're doing is free of charge. No need to take it to AutoZone also the check engine light went out before I had a chance to get there. Not sure how long before codes get cleared but I'm aware they can clear on their own. Anyway, the mechanical work is done. I'm going by in a few hours so I'll have more details after that as to what the issue was.

  3. #18
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    As promised, here are the details. The paperwork includes the service bulletin number. Apparently the cause was oil pressure switches that needed to be replaced with updated ones. Please see link for details/paperwork

    Service Bulletin 05-005/16

    https://photos.app.goo.gl/kJ9TBO6EiduDRRZ42

  4. #19
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    Arrow Tire Pressure light illuminated alongwith DSC/TCS light came on - 2016.5 Touring

    Quote Originally Posted by joydestroy View Post
    As promised, here are the details. The paperwork includes the service bulletin number. Apparently the cause was oil pressure switches that needed to be replaced with updated ones. Please see link for details/paperwork

    Service Bulletin 05-005/16

    https://photos.app.goo.gl/kJ9TBO6EiduDRRZ42
    Thanks for the follow-up posting and it sure would help other CX-5 owners having a similar situation. Unfortunately you didnít have a chance to pull the codes (yes, the CEL codes would be there to read for a while) so that we can see what the CEL codes and related problems would be by an AutoZone reader for your specific case due to the oil pressure switch stuck on.

    Interestingly TSB 05-005/16 has never been posted here before. And thereíre 2 parts for oil pressure switch, FZ01-21-2C0 for switch A and FZ01-21-2J0 for switch B. More strangely, your dealer did a free ATF drain-and-fill for you with 4 quarts of fresh Mazda FZ ATF and a new ATF strainer/filter FZ01-21-500 by taking the ATF pan down!

  5. #20
    Registered Member yrwei52's Avatar
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    Arrow Tire Pressure light illuminated alongwith DSC/TCS light came on - 2016.5 Touring

    The posted invoice states "P0847 OIL PRESSURE SWITCH STUCK ON". CEL P0847 for generic OBDII code means the transmission fluid pressure sensor in sensor B circuit is not working properly. This means 2 "oil" pressure switch A and B are actually the ATF pressure switches. That explains why joydestroy's CX-5 got a free ATF change.

  6. #21
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    Quote Originally Posted by yrwei52 View Post
    Thanks for the follow-up posting and it sure would help other CX-5 owners having a similar situation. Unfortunately you didn’t have a chance to pull the codes (yes, the CEL codes would be there to read for a while) so that we can see what the CEL codes and related problems would be by an AutoZone reader for your specific case due to the oil pressure switch stuck on.

    Interestingly TSB 05-005/16 has never been posted here before. And there’re 2 parts for oil pressure switch, FZ01-21-2C0 for switch A and FZ01-21-2J0 for switch B. More strangely, your dealer did a free ATF drain-and-fill for you with 4 quarts of fresh Mazda FZ ATF and a new ATF strainer/filter FZ01-21-500 by taking the ATF pan down!
    Any idea how long before the codes are cleared? I was under the impression they cleared after a certain amount of miles, correct? I assume the listed code was the only one since they knew what was going on without any guess work upon either visit. I should never assume, though.

    Quote Originally Posted by yrwei52 View Post
    The posted invoice states "P0847 OIL PRESSURE SWITCH STUCK ON". CEL P0847 for generic OBDII code means the transmission fluid pressure sensor in sensor B circuit is not working properly. This means 2 "oil" pressure switch A and B are actually the ATF pressure switches. That explains why joydestroy's CX-5 got a free ATF change.
    Yep! Thanks for writing out the info
    I drove this past week Mon-Fri to total about 200 miles and no issues so far. Will be sure to update if it's not fixed but seems to be.
    Last edited by joydestroy; 04-23-2018 at 09:17 AM.

  7. #22
    Registered Member Kaps's Avatar
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    Quote Originally Posted by joydestroy View Post
    Did you ever figure out what the issue was? I have something similar going on. Took it to the dealership a few weeks back and they reflashed the throttle control module which seemed to have fixed things. This morning, though, the same lights came on again. I think in my case it might be a bad sensor. My vehicle isn't driving strangely in any way. Along with these two lights I also have a check engine and the automatic transaxle lights illuminated.
    Never had these lights resurface.
    Since then I have driven roughly 10000 miles. I just got my 20K mile service done. I will keep an eye out for this.
    Your case was probably more severe. Good you got it fixed. I dread if anything of this sort happens to me. I dont have any dealer near me that is willing to work - I still cannot get my vent grille replaced they always screw up and it seems fishy. Once I hit 36K I will just buy my oil and go to a regular independent mechanic in this area.

    How did you figure out ATF was drained?

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  8. #23
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    Quote Originally Posted by Kaps View Post
    Never had these lights resurface.
    Since then I have driven roughly 10000 miles. I just got my 20K mile service done. I will keep an eye out for this.
    Your case was probably more severe. Good you got it fixed. I dread if anything of this sort happens to me. I dont have any dealer near me that is willing to work - I still cannot get my vent grille replaced they always screw up and it seems fishy. Once I hit 36K I will just buy my oil and go to a regular independent mechanic in this area.

    How did you figure out ATF was drained?
    What's up with your vent grille?

    My 20k is coming up. I guess I should really get to reading the maintenance section in the owners manual.
    I'm gonna be pretty sad once I hit the "out of new car warranty" mileage. Dreading it too my dude. Thinking about an extended warranty maybe.

  9. #24
    Registered Member Kaps's Avatar
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    Quote Originally Posted by joydestroy View Post
    What's up with your vent grille?

    My 20k is coming up. I guess I should really get to reading the maintenance section in the owners manual.
    I'm gonna be pretty sad once I hit the "out of new car warranty" mileage. Dreading it too my dude. Thinking about an extended warranty maybe.
    I wanted to replace the chrome with black ones from 15 MY. Since they reflect sun in the rear mirror.
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