The Differences between 4th and 5th Gen TCM on ALLISON Transmission
TCM (Transmission Control Module) - 4th and 5th Generation
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| Figure 1.1 4th Gen TCM (Allison 4700OFS) |
Today, we'll trying to collect data about the differences between 4th and 5th Gen TCM on ALLISON Transmission.
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| Figure 1.2 - 4th and 5th Gen TCM |
1). Physically
→4th Gen TCM looks like multiple-dots printed on the TCM front body, while 5th Gen TCM more like a "Transformers" symbol (refer to Figure 1.2 above).
→On the TCM rear body, there are printed information about TCM Model, Customer P/N, etc (as below example: A43 / 4700RDS, and A63 / 4700OFS). Usually, 4th Gen TCM using A43 or A53, while 5th Gen TCM using the newest model A59 or A63.
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| Figure 1.3 - 4th Gen TCM A43 (4700RDS) |
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| Figure 1.4 - 5th Gen TCM A63 (4700OFS) |
2). ALLISON DOC Software
We can check using Allison DOC software, whether 4th or 5th Gen TCM that installed on your equipment. 5th Gen TCM need the newer version (include: 5th Gen Files), and for 4th Gen TCM you can using both older (below 2012) or newest version of Allison DOC software. Read More: How to Connecting ALLISON Transmission using ALLISON DOC Software.
→When you click F4-Connect button, it will automatically detects the 4th or 5th Gen TCM.
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| Figure 1.5 - Transmission Connect (5th Gen TCM) |
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| Figure 1.6 - DTC and General Information (5th Gen TCM) |
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| Figure 1.7 - DTC and General Information (4th Gen TCM) |
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| Figure 1.8 - Troubleshooting Manuals (Help) |
3). ALLISON TCM Reflash (PCCS) Software
We can also check using Allison TCM Reflash (PCCS) software, through TCM Info then Display Information tab. Read More: Write Program and Calibration to TCM using ALLISON TCM Reflash (PCCS) Software (Offline).
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| Figure 1.9 - TCM Info (4th Gen TCM) |
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