Ready to wake up your 2024-2025 L5P Duramax? This HP Tuners E42 ECM service unlocks the secret power of your diesel, enabling custom tuning with our VCM Suite. Just send in your original ECM for a quick upgrade, and prepare for some serious fun behind the wheel. Remember, only your truck's original ECM, no funny business with spare parts, will be accepted!

                  
                                          
                        
Service Category
                        
ECM Tuning Upgrade
                      
                                          
                        
Compatible Engine
                        
6.6 Liter L5P Duramax Diesel
                      
                                          
                        
Supported Model Years
                        
2024-2025
                      
                                          
                        
Required Device
                        
HP Tuners MPVI3 or MPVI4
                      
                                          
                        
Software Compatibility
                        
VCM Suite BETA (Latest Version)
                      
                                          
                        
Credit Requirement
                        
8 Universal Credits (additional purchase)
                      
                                          
                        
Service Processing Time
                        
5-7 Business Days
                      
                                          
                        
ECM Acceptance Policy
                        
Original Vehicle ECM Only, No Broken Tabs
                      
                                          
                        
Tuning Method
                        
OBD-II Port with Internet Connection
                      
                                          
                        
Vehicle Platform
                        
Global B Architecture