2016 Dispatch faults

[MadMechanic]

Hi There help needed am toatlly confused and so was my auto electrician.

These are the faults im getting.

Van is Jumpy Ko 1.6 hdi 115 bhp late model style. dispatch medium wheel base.

P0069 00 Now showing permenant fault not intermittent Air Boost Pressure Inconsistency with Respect to barometric pressure. not in limp mode

U1213 81 Permenant fault Fault in Communication with ABS OR ESP Ecu communication invalid, new sensor fitted both back wheel and new bearings wich has the abs raeder in them
also shows
C003A 11 Right Rear Wheel Speed Sensor (WSS) Short Circuit to Ground.
Van will run for hrs days miles 1,000 then all of a sudden fault comes up, lookly doesnt go into limp mode.

Also now showing as of today
U1213 81 Vehicle Speed Information Data invalid (Intermitent at present.)

Most codes can be reset but the some come back.

also has a fault which we cant find anaywhere but doesnt seem to effect running of van but wont re et
Engine Oil Level Component Voltage Too Low.

Begining to really anoy me now van isused daily long distance courier work 170,000 miles serviced every 45,000 miles .


Please help im desperate