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| TCM Issues P56044737AI or P56044737AF http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=5&t=90909 |
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| Author: | gabriel_amrod [ Tue Jan 28, 2020 8:58 pm ] |
| Post subject: | TCM Issues P56044737AI or P56044737AF |
Hello All, Looking for some help here on my TCM P56044737AI is working Intermittently, I was looking for a TCM replacement but I just find out that there are 2 that works with my Liberty CRD 06. What is the difference between TCM P56044737AI and P56044737AF? |
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| Author: | WWDiesel [ Tue Jan 28, 2020 11:02 pm ] |
| Post subject: | Re: TCM Issues P56044737AI or P56044737AF |
gabriel_amrod wrote: Hello All, Looking for some help here on my TCM P56044737AI is working Intermittently, I was looking for a TCM replacement but I just find out that there are 2 that works with my Liberty CRD 06. What is the difference between TCM P56044737AI and P56044737AF? Most likely the same part. P56044737AI is just a later version or revision of the same part number P56044737AF. Mopar normally just changes the last letter of the part number as they update or modify the part. |
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| Author: | Billybob [ Wed Jan 29, 2020 2:13 am ] |
| Post subject: | Re: TCM Issues P56044737AI or P56044737AF |
Yes the last two characters are just a revision number. AI will be a slightly newer revision than the AF but there should no noticeable differences.  What is wrong with your existing ECM? The ECM tends to be a pretty reliable unit...most problems are wiring related! 
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| Author: | TKB4 [ Wed Jan 29, 2020 10:50 am ] |
| Post subject: | Re: TCM Issues P56044737AI or P56044737AF |
I recommend removing inspecting and cleaning the contacts and make sure all groups are good first then look for frayed wiring etc if that doesn't help unless you have knowledge of another reason for the malfunction. |
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| Author: | flman [ Thu Jan 30, 2020 6:57 pm ] |
| Post subject: | Re: TCM Issues P56044737AI or P56044737AF |
I put deoxit on the connectors whenever my TCM throws a code. |
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