Before installing your new L5P or ZR1 ECM, please read the following steps:
Step 1: Download and install the latest VCM Suite Beta
The latest beta can be found here.
Step 2: Perform the “Replace TCM” special function in VCM Scanner
1. |
Connect VCM Scanner to the vehicle with the stock TCM installed* |
|
a. |
Go to Vehicle Controls & Special Functions. |
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b. |
Click Replace TCM to start the function (located under System > General) |
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c. |
Follow the prompts to complete the Replace TCM process for the stock TCM. |
2. |
When prompted, replace the stock TCM with the HP Tuners unlocked TCM. |
3. |
Connect VCM Scanner to the vehicle with the unlocked TCM installed. |
|
a. |
Go to Vehicle Controls & Special Functions. |
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b. |
Click Replace TCM to start the function (located under System > General) |
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c. |
Follow the prompts to complete the Replace TCM process for the unlocked TCM. |
Step 3: Perform an Immobilizer Relearn*
NOTE: You will need a GM dealer tool or SPS subscription for this step.
1. |
Connect the dealer tool to the vehicle and follow the prompts in the software. |
2. |
Click on Immobilizer Learn. |
3. |
Click Engine Control Module IMMO Learn. |
4. |
Follow the prompts to complete the relearn. |
Step 4: Perform a Crank Relearn
1. |
Connect VCM Scanner to the vehicle and go to Vehicle Controls & Special Functions. |
2. |
Make sure the vehicle is at operating temperature, the parking brake is set, wheels are chocked, A/C is off, and the brake pedal is pressed. |
3. |
Click the Crank Relearn button (located under Engine > Special Functions). |
4. |
When prompted, gradually rev the engine up to fuel cut and release the accelerator pedal. |