Check and Clear ThunderMax Diagnostic Trouble Codes (DTCs)
Diagnostic Trouble Codes (DTCs) identify component faults detected by the ThunderMax ECM. Current codes report active faults; Historic codes report past faults....
Collect and Send ThunderMax Support Data
The TMax Auto-Support Data Collection process gives ThunderMax technical support a complete diagnostic picture of your system. It records live and stored module...
Coil-Wire Connection Issues on 2024-Up Gen 2 Touring Models
ThunderMax technical support has observed coil-wire harness connection issues on some 2024 and later Harley-Davidson® Gen 2 Touring models. This concerns th...