Hello

i cant get out limp mode

i have this codes

P0128
B2AAA

and recently i have replaced thermostat before 3 weeks with new one


how to fix it

 

P0128 in the Bentley Manual is Coolant thermostat (Coolant Temperature Below Thermostat Regulating Temperature) and Program map thermostat: Sticking in open position. It could be the thermostat or the CTS (Coolant temp sensor 13-62-7-535-068), which is located in the thermostat housing. May not be your issue though and could be the thermostat. What thermostat did you install?

 

i have replaced the Thermostat from BMW Service with the same number part

why it will the CTS Or Thermostat housing
they are Brand NEW

 

Whats Wrong ?

 

So you had a BMW dealer replace the thermostat? Or did you replace it yourself?

 

i replaced it my self

 

This NAM thread here had the code P0128 and had to replace the thermostat. I can't seem to find much on B2AAA unfortunately. So I am unsure if and how the two codes may be related. Since you did the install yourself, I would go back over everything and make sure you didn't leave something disconnected. Figure 7 and 8 HERE show some sensors you disconnect to change it so check over those and everything else. Just to be sure.

 

thanks for replay
the sensors are connected in image 7 and 8
http://www.pelicanparts.com/techarti..._med/pic12.jpg


but i think that i mixed the hoses which one on the left and right which
if i mixed the hoses will i get this
the hoses come from dash to the thermostat