hi guys and gals, im having a problem with audi a4 b5 2.5 v6 vp44 pump, speed signal issue, and limp mode i would love to hear some opinions on it I have looked at codes on 2x diagnostic computers, the codes vary 
bosch states 0222 fault and the other is 0526 pump control data status was -00015. i also used a topdon diagnostic, so first interrogation was 01376 with 00546 and p1570 and 00523, cleared codes and got bk few days later car drove ok then limp mode and codes were 01318 and 00546 then i used the bosch as stated above. i dont have much stuff for going into the pump and testing things times are hard hope someone can help thanks kindly from Andy.
bosch states 0222 fault and the other is 0526 pump control data status was -00015. i also used a topdon diagnostic, so first interrogation was 01376 with 00546 and p1570 and 00523, cleared codes and got bk few days later car drove ok then limp mode and codes were 01318 and 00546 then i used the bosch as stated above. i dont have much stuff for going into the pump and testing things times are hard hope someone can help thanks kindly from Andy.