What is the fault code P 155900 of Geely Emgrand GL?

The failure of initialization self-learning of the lower limit position of electronic throttle may be due to the dirty throttle or mechanical failure, which is not in the idle position. Throttle potentiometer fault. The battery voltage is too low. P 1559 fault code is defined as the throttle position adaptive fault of idle control in Chinese. The fault causes include the fault of throttle control module, electronic control module PCM or ECM.

Automobile fault code

Automobile fault code is the fault code reflected by the analysis of automobile computer ECU after automobile fault occurs. General fault codes are caused by sensor faults, but some mechanical faults cannot be read by ECU.

When the automobile engine fails, the computer will display the fault code after being detected by the detection computer. Through this code, maintenance personnel can accurately find the faulty parts and then carry out maintenance.

There are two kinds of automobile fault codes, one is accidental fault. The other is actual failure. Usually accidental faults can be cleared as long as they don't appear again. But if it is an actual fault, it must be repaired before it can be eliminated.