If you have purchased the TCM for a 2017+ Chevrolet Silverado/GMC Sierra 6.6L Duramax (L5P), please install the TCM at this time. There are no additional steps to be completed.
If you purchased the TCM for ANY vehicle besides a 2017+ Chevrolet Silverado/GMC Sierra 6.6L Duramax (L5P), please read the following steps before installing your new TCM:
| 2. |
Perform the “Replace TCM” special function in VCM Scanner. |
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a. |
Connect VCM Scanner to the vehicle with the stock TCM installed. |
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b. |
Go to Vehicle Controls & Special Functions. |
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c. |
Click Replace TCM to start the function (located under System > General). |
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d. |
Follow the prompts to complete the Replace TCM process for the stock TCM. |
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e. |
When prompted, replace the stock TCM with the HP Tuners unlocked TCM. |
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f. |
Connect VCM Scanner to the vehicle with the unlocked TCM installed. |
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g. |
Go to Vehicle Controls & Special Functions. |
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h. |
Click Replace TCM to start the function (located under System > General). |
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i. |
Follow the prompts to complete the Replace TCM process for the unlocked TCM. |