OBD II Fault Code P228F :

Description of Fault code P228F

FUEL RAIL PRESSURE (FRP) REGULATOR INCORRECT LEARNED VALUE

Possible failuer P228F

• Turbocharger Boost Control Valve jammed or stuck
• Turbocharger Boost Control Valve Position Sensor recognized active value shifting

Diagnostic Procedure using AutoHex II Scan Tool

• Deviation between target valve position and active valve position is beyond 15% during 4 seconds and more.

Test Conditions using AutoHex tester

• Engine running more than 2 seconds from engine start.
• After 10 seconds and more from last brake apply.

Clear Fault codes Conditions

• Deviation between target valve position and active valve position is beyond 15% during 4 seconds and more.

MIL Status

• Check Engine Light ON

Note:

• AutoHex II is a professional Auto diagnostic.
• This fault code is a GERENRIC fault code, some cars may change the meaning of this fault code.
  To get the accurate fault code description you may use AutoHex II

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