Skip to main content
Submit a request
HP Tuners
Hardware Support
Hardware Support
nGauge
nGauge
Warranty
Warranty Information
MPVI1
MPVI1 Driver Installation
How Do I Get My Most Recent Application Key
Connecting a Battery to Your MPVI Pro Interface for Troubleshooting
Invalid Application Key When Using Correct And Most Recent Key
Commit Failed
PCM/TCM
PCM/TCM Modification times to completion
Do my vehicle modules require TCM/PCM service?
L5P ECM Purchase / Exchange / Update
2017+ GM T87a TCM
HP Tuners Unlocked T87A Installation
L5P and ZR1 Installation Instructions