![]() | Home > Technical (L405) > Transfer Case TCCM Update Issue **RESOLVED** |
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GraemeS Member Since: 07 Mar 2015 Location: Wagga area Posts: 2377 ![]() ![]() ![]() |
I would look at reflashing the TCCM with the version that was previously installed, assuming that GAP can supply it. |
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Hallza Member Since: 04 Nov 2019 Location: Essex Posts: 8 ![]() ![]() ![]() |
At the moment GAP advised reverting is not possible |
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Tinman Member Since: 22 Mar 2017 Location: kent Posts: 1165 ![]() ![]() ![]() |
Did you have a battery charger on when you did an update as per the technical bulletin? 2017 SDV8 4.4 silicon silver AB
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GraemeS Member Since: 07 Mar 2015 Location: Wagga area Posts: 2377 ![]() ![]() ![]() |
Not possible because the GAP tool won't load an earlier version or becuase GAP don't have the earlier version? I suspect the former as have a feeling that I've tried such a reload in my MY12 L322 with my IIDtool, in which case a SDD might not have such a restriction.
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Hallza Member Since: 04 Nov 2019 Location: Essex Posts: 8 ![]() ![]() ![]() |
I followed guidance from the reflash email received instead of the technical bulletin ![]() But despite the IID tool showing the reflash as success, would it be worth connecting to a charger and then trying again? |
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Hallza Member Since: 04 Nov 2019 Location: Essex Posts: 8 ![]() ![]() ![]() |
I assume too that GAP do not have the earlier version to reflash back. I've tried reloading a couple of times and the outcome is exactly the same. |
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GraemeS Member Since: 07 Mar 2015 Location: Wagga area Posts: 2377 ![]() ![]() ![]() |
Have you tried recalibrating the TC clutch and low range selector? |
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Hallza Member Since: 04 Nov 2019 Location: Essex Posts: 8 ![]() ![]() ![]() |
Thank you to GraemeS & Tinman for contributing,
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GraemeS Member Since: 07 Mar 2015 Location: Wagga area Posts: 2377 ![]() ![]() ![]() |
Good that it was only an update glitch rather than an incompatibility issue. |
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Tinman Member Since: 22 Mar 2017 Location: kent Posts: 1165 ![]() ![]() ![]() |
Glad to help, It was something I had seen when the technician looked at my car it would seem that any work requires good power because of the power drain when flashing. 2017 SDV8 4.4 silicon silver AB
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