Fault code P 177 1

1. Fault code applicable model: Mazda fault code: P 177 1 Chinese meaning: automatic transmission, throttle position sensor-open circuit English meaning: automatic transmission, throttle position sensor-open circuit category: power system (meaning from the manufacturer) Detailed meaning: TP sensor is used to open the throttle. The reasons include the fault of throttle position (TP) sensor to transmission control module (TCM) circuit, TP sensor fault, electronic control module (PCM or ECM) fault, etc. 2. Fault code applicable model: Volvo fault code: P 177 1 Chinese meaning: throttle position sensor-high input English meaning: throttle position sensor-high input category: powertrain system (from the manufacturer's own meaning) Detailed meaning: throttle valve, commonly known as throttle valve, is a controllable valve used to control the intake of the engine. The throttle position (TP) sensor is used to send the throttle opening to the electronic control unit (ECU) in the form of electrical signal, which is one of the basic parameters for controlling the fuel injection of the engine.