How to Replace Transistors if PCMTuner Module 71 Bench Not Working?
PCMTuner comes with spare transistors MMBT2222A for GPT circuits, lots of people damage these by connecting wrongly to ECU so these are replacements if it happens. You can replace transistors by yourself or at the local repair shop. The error is usually caused by other power supply not pcmtuner will burn the device. If you use OBD for power supply, please do not plug in a separate 12V, otherwise, it will cause the device transistor or step-down chip to burn. MUST USE PCMtuner professional power supply! If you use your own lab power and voltage regulator. You don't know how device power works. Just adjust the voltage to 13.5 or whatever you think will cause the whole triode to burn out. How to Replace Resistors? Replace PCMTuner transistors . Make sure the device and ecu connection via bench cable is proper before changing. Select the correct protocol (ECU model) in pcmflash software when reading or writing ECU. Customer solution: Resoldered two transistors K1P,