GM unlock code
GM VIN Reset Code
Resets a supported tuner that is VIN-locked to a GM vehicle.
GMChevrolet/GMCVIN ResetActive Root CodeMini Maxx V1Black MaxxXRT Pro
Compatibility
H&S Mini Maxx V1, Black Maxx, and XRT Pro, where supported
Required input
4-Digit Root Code
What this code does
Enter the GM root code exactly as shown.
What this code does not do
This product does not replace a first-tune or Overdrive code and does not support Mini Maxx V2.
Before you purchase
- Keep your GM tuner powered on and do not leave the active challenge or root-code screen during purchase.
- Entering a different root code may produce an unusable result.
- Select GM only when the tuner is currently locked to a GM vehicle.
How ordering works
- 1. Confirm this product matches the exact prompt on your tuner.
- 2. Enter the required value exactly as requested and complete secure Stripe checkout.
- 3. Retrieve the digital result using the secure order link.
Common mistakes
- Ordering from the code length without matching the complete tuner prompt.
- Entering a different VIN or tuner value than the one currently requested.
- Leaving the active root-code screen or selecting the vehicle being installed instead of the vehicle currently stored in the tuner.
Questions about this code
What input is required?
Use 4-digit root code exactly as requested by the tuner.
Is this a VIN reset?
Yes. Use it only for a supported tuner currently VIN-locked to the listed vehicle make.
Related instructions
Find the active four-character root code before ordering and remain on that screen.
Follow root-code instructionsRelated unlock codes
Independent service and support
MiniMaxx Unlocks is an independent legacy-device support service and is not affiliated with or endorsed by H&S Performance or any vehicle manufacturer.
Contact support before ordering