A P0970 diagnostic trouble code is very serious, because it means the ECU is not going to be able to control the amount of hydraulic pressure inside the transmission. This will lead to a number of transmission problems that include unusually harsh gear changes, slipping, transmission overheating and engine stalling.
Symptoms
Symptoms of a P0970 include:
Transmission slips Unusually firm gear changes Transmission overheats Engine will stall when you slow down or come to a stop Engine misfire-like symptoms Limp mode
如前帖所述, 2005 BMW 545i Transmission 灯亮了, OBD II Scanner error code P0970
想先换transmission fluid。上周末找了个Mobile Mechanic，来了后车底下看了会儿，说不知道怎么换，走了。 今天又约了个上门的，电话交流时说是同样的活干过+100次。但真正换起来我看他也不是很熟 （我一直在旁边持灯当帮手）。特别是最后灌注新油时，加了溢，溢了又再加，Pan 侧旁的油加注口seal，无法快速拧上，所以总是会溢出一部分油。
我的问题和担心是：
1. 怎么知晓和判断 油有没有加过量？或者油是否加的够不够？
2. 加过量会有什么后果？加少了又会有什么后果？
现在换过油 （transmission fluid）后， Transmission 灯还是量着 Error Code P0970
看了bushihandman 帖的视频，最后部分（注油）不太明白。我的理解是先初步灌满后 （见有油溢出）， 发动车子， 换各种挡位，使变速箱达到一定温度，然后再灌满，并快速封口。
谢谢！特请教两位高人.
先把故障码清掉，再看看故障码还会不会出现。我的观点：换油排除不了故障
How Serious is the Code?
A P0970 diagnostic trouble code is very serious, because it means the ECU is not going to be able to control the amount of hydraulic pressure inside the transmission. This will lead to a number of transmission problems that include unusually harsh gear changes, slipping, transmission overheating and engine stalling.
SymptomsSymptoms of a P0970 include:
Transmission slips Unusually firm gear changes Transmission overheats Engine will stall when you slow down or come to a stop Engine misfire-like symptoms Limp mode多的会流出来， 不会过量的。
我看他是用Jack 从一边/侧 把车顶起来，还特地show我 Pan有angle，为了能hold住油 ？
原來的程序完全沒意義
底売下方排油口的栓子是一次性的，拔了就要換新的底売