Sir g good morning sir g tata gold diesel engine me code p500 64 aa rha hai wiring sensor par check ok accelator 3 par ja kar race chod rha hai khadi garhi me code ye aata hai isese pahle urea coupler ka wire tuta tha refregence ki light blink kar rhi thi mene wire jodkar scanner se codr clear kiya magar ab code 500 64 aata hai khadi garhi me kya karu please tell me