Fault code P 1543

1. Fault code applicable models: GM, Buick, Chevrolet, Cadillac, Hummer, Jinbei Fault code: P 1543 English meaning: air conditioning system-performance English meaning: A/C system-performance category: power system (meaning from the manufacturer) Detailed meaning: If the electronic control module judges that the air conditioner is inside according to the signals of the evaporator temperature sensor and the refrigerant pressure sensor, Reasons include too little refrigerant in air conditioner, maladjustment or failure of air conditioner refrigerant pressure sensor, and maladjustment or failure of air conditioner. 2. Fault code is applicable to vehicle type: mini fault code: P 1543 Chinese meaning: TP sensor 1- low input English meaning: TP sensor 1- low input category: powertrain system (from the manufacturer's own meaning) Detailed meaning: throttle valve. 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. 3. Fault code applicable vehicle type: Audi and Volkswagen fault code: P 1543 Chinese meaning: throttle motor position sensor 1- low input English meaning: throttle motor position sensor 1- low input category: powertrain system (manufacturer's own meaning) Detailed meaning: 4. Fault code applicable model: Mitsubishi, long fault code: P 1543 Chinese meaning: radiator outlet engine temperature-low input English meaning: radiator outlet engine temperature-low input category: powertrain system (meaning from the manufacturer) Detailed meaning: throttle valve, commonly known as throttle valve, is a controllable valve used to control engine intake. 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. Causes include carbon deposition in the throttle body, the throttle not in the fully closed position, the fault of the throttle position (TP) sensor or its circuit or connector, the fault of the throttle control module, the dislocation of the accelerator pedal and the fault of the electronic control module (PCM or ECM).