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OBD II Fault Code P1028 :

Description of OBD II Fault code P1028

INTAKE MANIFOLD RUNNER CONTROL (IMRC) SOLENOID VALVE CIRCUIT OVERHEAT

Possible failuer of OBD II Fault code P1028

  • Engine Control Module (ECM) internal high temperature
  • IMRC Valve Actuator malfunction
  • Over voltage (Mis-replace to 24 V battery, etc.)

Diagnostic Procedure using AutoHex II Scan tool

  • When the overheat is monitored by the diagnostic circuit attached the drive circuit on the active drive circuit, the overheat is detected more than a specified value for a set period of time.

Test Conditions using AutoHex Scan tool tester

  • IG ON (II)

Clear Fault codes Conditions

  • When the overheat is monitored by the diagnostic circuit attached the drive circuit on the active drive circuit, the overheat is detected more than a specified value for a set period of time.

MIL Status

  • Check Engine Light ON

Using Autohex in BMW F Series


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 P1029
OBD II Fault Code P102A
OBD II Fault Code P102B
OBD II Fault Code P102C
OBD II Fault Code P102D
OBD II Fault Code P102E
OBD II Fault Code P102F
OBD II Fault Code P1030
OBD II Fault Code P1031
OBD II Fault Code P1032
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