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OBD II Fault Code P1021 :

Description of OBD II Fault code P1021

VPS MALFUNCTION

Possible failuer of OBD II Fault code P1021

  • Solenoid valve stuck on the ON position
  • Control line open/short
  • Oil leak
  • Oil line clogged
  • Sensor failure

Diagnostic Procedure using AutoHex II Scan tool

  • The data isn t obtained because B-CAN Frame can t be received.
  • The B-CAN System doesn t actuate.

Test Conditions using AutoHex Scan tool tester

  • When B-CAN Data is sending

Clear Fault codes Conditions

  • The data isn t obtained because B-CAN Frame can t be received.
  • The B-CAN System doesn t actuate.

MIL Status

  • Keyless Access Indicator ON

BMW Key Learning


Note:

  • AutoHex II is a professional diagnostic scan tool.
  • 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

More OBD II Fault codes:

OBD II Fault Code P1022
OBD II Fault Code P1023
OBD II Fault Code P1024
OBD II Fault Code P1025
OBD II Fault Code P1026
OBD II Fault Code P1027
OBD II Fault Code P1028
OBD II Fault Code P1029
OBD II Fault Code P102A
OBD II Fault Code P102B
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