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Mazda 5 , PCM or TCM failing ?

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Old Apr 13, 2024 | 05:09 PM
  #11  
SpinDoc#106's Avatar
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From: Moses lake
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Originally Posted by Callisto
Welcome to the forum

So to answer.....START OVER

First and this is very important for you to save money and also get the correct diagnosis.

Find a shop that has an ASE sig posted somewhere on the property.

Thank you for posting the DTC but they are at this point ancient history and cant really be used to help you.
Going and looking at each one is a total WASTE of time and worse if you are a DIY and not a trained Automotive Technician specifically a qualified Diagnostic Technician. Hence look for a shop with ASE because they should have at least a certified ASE working for them.
However, if you feel FROGGY look up me username and posting and you are sure to find one of several responses, I explain how to properly get the most current ECU, PCM,TCM information using a Grade Dianostic scanner that connect via a cable directly to the OBDII Diagnostic connector.


ASE






When any member is posting asking for help PLEASE include IMPORTANT information like the miles and transmission type with your response.

inside of filter. Finally dug in to do a complete trans svc..5 qts oil.and filter. Orange tacky sealant ( factory?) was a bearcat to break the pan from trans. I got it started with a razor blade then gently used a small screwdriver to hold tension while working around the pan with razor blade till it came off. Looks to be the same as sealant thats on trans in other areas. Seems to be shifting better and happier. Time will tell. THANKS TO ALL
Callisto youve been invaluable !
 
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Old Apr 14, 2024 | 11:21 AM
  #12  
shuswap's Avatar
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From: BC
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Originally Posted by SpinDoc#106

inside of filter. Finally dug in to do a complete trans svc..5 qts oil.and filter. Orange tacky sealant ( factory?) was a bearcat to break the pan from trans. I got it started with a razor blade then gently used a small screwdriver to hold tension while working around the pan with razor blade till it came off. Looks to be the same as sealant thats on trans in other areas. Seems to be shifting better and happier. Time will tell. THANKS TO ALL
Callisto youve been invaluable !
Did you mention mileage on vehicle? Please update results as time/mileage advances, for all to learn from? Interesting progression and I have never seen a trans filter that looked like that!
 
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Old Apr 27, 2024 | 06:36 PM
  #13  
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From: Moses lake
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Originally Posted by shuswap
Did you mention mileage on vehicle? Please update results as time/mileage advances, for all to learn from? Interesting progression and I have never seen a trans filter that looked like that!

150k miles. Clean trans pan otherwise.

UPDATE. Today the car ,I believe, went into fail mode. Transmission light, gear selection lighr went out. Would not operete in manual mode and seemed to be starting from a dead stop in 3rd. AT , check engine light on . UO101 code has been setting all week repeatedly. Some times it chrck engine light would go out and other times it was on for a day. I believe the TCM has left the building. Manual mode does not seem to cause the issues but ??? Has anyone used UPFIX to refurb their module ?
Cheers

 
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Old Apr 28, 2024 | 12:44 PM
  #14  
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From: BC
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Originally Posted by SpinDoc#106
150k miles. Clean trans pan otherwise.

UPDATE. Today the car ,I believe, went into fail mode. Transmission light, gear selection lighr went out. Would not operete in manual mode and seemed to be starting from a dead stop in 3rd. AT , check engine light on . UO101 code has been setting all week repeatedly. Some times it chrck engine light would go out and other times it was on for a day. I believe the TCM has left the building. Manual mode does not seem to cause the issues but ??? Has anyone used UPFIX to refurb their module ?
Cheers
Thanks for the update. Sorry for the issue. Do you think exposure to heat/water had anything to do with the likely cause?
Sorry I have zero experience with any re-builders, can't help there at all.
 
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