⚠ Guidance only — not professional advice. Verify all changes before applying.
Policies
⚠️ This tool provides guidance only. Incorrect adjustments may cause serious transmission or engine damage. Proceed only if you understand the risks.
Operator: 8HP Tuner is operated by Shafield Pty Ltd (ABN 54 696 523 976), trading as 8HP Tuner, Queensland, Australia.
No Affiliation: 8HP Tuner is an independent tool and is not affiliated with, endorsed by, or associated with MaxxECU, TurboLamik, ZF Friedrichshafen AG, or any other manufacturer. All trademarks remain the property of their respective owners and are used for identification purposes only.
Guidance Only: This application provides analysis and suggested tuning insights only. It does not directly modify any ECU or TCU. Outputs may be generated using AI-based systems. Outputs are not professional or engineering advice.
User Responsibility: You are solely responsible for any changes made to your vehicle. You will verify all recommendations before applying them. You will only use this App if you have appropriate knowledge or professional support. Use of this App is entirely at your own risk.
Limitation of Liability: To the maximum extent permitted by law, we accept no liability for any loss, damage, or injury arising from use of this application, including engine or transmission damage, loss of performance, or financial loss. Nothing in these terms excludes rights under the Australian Consumer Law.
Data Accuracy: We do not guarantee that all recommendations, data, or outputs are complete, accurate, or suitable for your specific vehicle or setup.
Sub-User Obligation: If you create sub-user accounts, you are responsible for ensuring all sub-users are informed of and agree to these terms before accessing the platform.
Your gearbox is controlled by a separate module (the Demon TCU) that has its own firmware, independent of the MaxxECU ECU. This setting determines whether MaxxECU's Shift Target Table actually controls your shift points, or whether the TCU runs its own factory shift maps.
Easiest way to know: ask your tuner whether they reflashed the TCU. A reflash uses a special tool (the standard MTune flash only touches the calibration area). If they did reflash, they would have received an email from MaxxECU support containing the firmware files — the filename will identify Binary 4 + MAPS 003 or Binary 5 + MAPS 004.
The four options:
To verify in MTune (1-minute check):
This is the only definitive way to know — the .save file does not contain TCU firmware identification.
This setting is used only to give the AI accurate context. You can change it any time by editing the vehicle.
Set a recovery email or phone number. If you forget your password, a reset link will be sent to your recovery email.
Describe what you were doing and what went wrong. This sends a report directly to support@8hptuner.com.