fault code help please

brys3

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hi, a friend of mine the n*b happened to buy an s3 exactly the same as mine. i plugged my fault finder into it and came up with 4 codes. 2 are straight forward however, 18010 and 17963 could be multiple solutions. has anybody else had experience with the 2 codes and what did they find solved the issue? any advice would be much appreciated.
 
18010 is a fault that seems to come up if the battery was ever run flat, i think this stays until its cleared.

other fault is this:

17963/P1555 - Boost Pressure Control: Upper Limit Exceeded

Possible Symptoms


  • Reduced power output
  • Limp mode
Possible Causes


  • Boost Pressure too High
  • Hoses/Pipes incorrect connected, disconnected, blocked or leaking
  • Charger Pressure Control defective
    • VNT (variable nozzle turbo): nozzles stuck
  • Solenoid Valve for Boost Pressure Control (N75) defective
Possible Solutions


  • Check Hoses/Pipes to/between Components
  • Check Solenoid Valve for Boost Pressure Control (N75)
  • Check / Clean / Replace Charge Pressure Control
    • Check / Clean mechanism for variable nozzles